Страница 40 - гдз по химии 8 класс учебник Рудзитис

Химия, 8 класс Учебник, автор: Рудзитис Гунтис Екабович, издательство Просвещение, Москва, 2019 - 2022

Авторы: Рудзитис Г. Е.

Тип: Учебник

Издательство: Просвещение

Год издания: 2019 - 2022

ISBN: 978-5-09-088251-4

Допущено Министерством просвещения Российской Федерации

Cтраница 40

App\Models\BookPage {#1003 // resources/views/models/book_page/default.blade.php
  #connection: "mysql"
  #table: "book_pages"
  #primaryKey: "id"
  #keyType: "int"
  +incrementing: true
  #with: []
  #withCount: []
  +preventsLazyLoading: false
  #perPage: 15
  +exists: true
  +wasRecentlyCreated: false
  #escapeWhenCastingToString: false
  #attributes: array:21 [
    "id" => 1368024
    "created_at" => "2026-04-10 00:54:11"
    "updated_at" => null
    "field_page_start" => "40"
    "field_url" => "/8-klass/himiya/rudzitis-uchebnik-2019/page-40"
    "field_display_title" => "40"
    "field_folder" => "1"
    "field_image_name" => "40"
    "field_branch_parent" => Illuminate\Database\Eloquent\Collection {#1008
      #items: []
      #escapeWhenCastingToString: false
    }
    "field_weight" => "0"
    "field_book_parent" => Illuminate\Database\Eloquent\Collection {#1037
      #items: array:1 [
        0 => App\Models\Book {#1006
          #connection: "mysql"
          #table: "books"
          #primaryKey: "id"
          #keyType: "int"
          +incrementing: false
          #with: []
          #withCount: []
          +preventsLazyLoading: false
          #perPage: 15
          +exists: true
          +wasRecentlyCreated: false
          #escapeWhenCastingToString: false
          #attributes: array:50 [
            "id" => 524
            "created_at" => "2026-04-10 00:54:11"
            "updated_at" => null
            "field_tree_default_status" => "tasks"
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              #items: array:1 [
                0 => App\Models\Term {#1007
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                  #primaryKey: "id"
                  #keyType: "int"
                  +incrementing: false
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                  #attributes: array:10 [
                    "id" => 6495
                    "created_at" => "2026-04-10 00:54:11"
                    "updated_at" => null
                    "name" => "Химия"
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                    "field_cases" => array:6 [ …6]
                    "field_foreign_lang_name" => null
                    "field_short_name" => null
                    "field_subject_type" => "technical_subject"
                    "field_translit" => "himiya"
                  ]
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                    "id" => 6495
                    "created_at" => "2026-04-10 00:54:11"
                    "updated_at" => null
                    "name" => "Химия"
                    "field_abbreviated_name" => null
                    "field_cases" => array:6 [ …6]
                    "field_foreign_lang_name" => null
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                    "field_translit" => "himiya"
                  ]
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                    0 => "*"
                  ]
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              ]
              #escapeWhenCastingToString: false
            }
            "field_class" => Illuminate\Database\Eloquent\Collection {#1010
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                    "id" => 5457
                    "created_at" => "2026-04-10 00:54:11"
                    "updated_at" => null
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              ]
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                  #primaryKey: "id"
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                  #table: "terms"
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                    "created_at" => "2026-04-10 00:54:11"
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                    "field_foreign_lang_patronymic" => null
                    "field_foreign_lang_surname" => null
                    "field_name" => "Гунтис"
                    "field_patronymic" => "Екабович"
                    "field_surname_rp" => null
                  ]
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                    "id" => 5630
                    "created_at" => "2026-04-10 00:54:11"
                    "updated_at" => null
                    "name" => "Рудзитис"
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                    "field_foreign_lang_patronymic" => null
                    "field_foreign_lang_surname" => null
                    "field_name" => "Гунтис"
                    "field_patronymic" => "Екабович"
                    "field_surname_rp" => null
                  ]
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                  #dateFormat: null
                  #appends: []
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                  #observables: []
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                  +timestamps: true
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                  #hidden: []
                  #visible: []
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                    0 => "*"
                  ]
                }
              ]
              #escapeWhenCastingToString: false
            }
            "field_author_foreign" => Illuminate\Database\Eloquent\Collection {#1016
              #items: []
              #escapeWhenCastingToString: false
            }
            "field_book_type" => Illuminate\Database\Eloquent\Collection {#1017
              #items: array:1 [
                0 => App\Models\Term {#1018
                  #connection: "mysql"
                  #table: "terms"
                  #primaryKey: "id"
                  #keyType: "int"
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                  #withCount: []
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                  #attributes: array:10 [
                    "id" => 6671
                    "created_at" => "2026-04-10 00:54:11"
                    "updated_at" => null
                    "name" => "Учебник"
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                    "field_cases" => array:6 [ …6]
                    "field_plural_form" => null
                    "field_short_name" => null
                    "field_short_name_foreign" => null
                    "field_translit" => "uchebnik"
                  ]
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                  ]
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              ]
              #escapeWhenCastingToString: false
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              #items: array:1 [
                0 => App\Models\Term {#1020
                  #connection: "mysql"
                  #table: "terms"
                  #primaryKey: "id"
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                    "id" => 9
                    "created_at" => "2026-04-10 00:54:11"
                    "updated_at" => null
                    "name" => "Россия"
                    "field_cases" => array:6 [ …6]
                    "field_translit" => "rossiya"
                  ]
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                    "id" => 9
                    "created_at" => "2026-04-10 00:54:11"
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                    "name" => "Россия"
                    "field_cases" => array:6 [ …6]
                    "field_translit" => "rossiya"
                  ]
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                  ]
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              ]
              #escapeWhenCastingToString: false
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            "field_city" => Illuminate\Database\Eloquent\Collection {#1021
              #items: array:1 [
                0 => App\Models\Term {#1022
                  #connection: "mysql"
                  #table: "terms"
                  #primaryKey: "id"
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                    "field_translit" => "moskva"
                  ]
                  #original: array:6 [
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              #items: []
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            }
            "field_umk" => Illuminate\Database\Eloquent\Collection {#1024
              #items: []
              #escapeWhenCastingToString: false
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            "field_level_of_education" => Illuminate\Database\Eloquent\Collection {#1025
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                  #connection: "mysql"
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            "field_publication_type" => Illuminate\Database\Eloquent\Collection {#1028
              #items: array:1 [
                0 => App\Models\Term {#1029
                  #connection: "mysql"
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    "edition_groups" => Illuminate\Database\Eloquent\Collection {#1035
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    "content" => Illuminate\Database\Eloquent\Collection {#1046
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        0 => App\Models\Element {#1045
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            "edition" => Illuminate\Database\Eloquent\Collection {#1055
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                0 => App\Models\Edition {#1047
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                    "id" => 4499
                    "created_at" => "2026-04-10 00:54:11"
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                    "field_publisher" => Illuminate\Database\Eloquent\Collection {#1049 …2}
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                  ]
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                    "id" => 4499
                    "created_at" => "2026-04-10 00:54:11"
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                    "title" => "Условие"
                    "field_order" => "1"
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              ]
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            "book_page" => array:2 [
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                "name" => "40-1.jpg"
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        }
      ]
      #escapeWhenCastingToString: false
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    "next" => Illuminate\Database\Eloquent\Collection {#5641
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        0 => App\Models\BookPage {#5640
          #connection: "mysql"
          #table: "book_pages"
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            "id" => 1368025
            "created_at" => "2026-04-10 00:54:11"
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            "content" => Illuminate\Database\Eloquent\Collection {#5784
              #items: array:1 [
                0 => App\Models\Element {#5786
                  #connection: "mysql"
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                    "id" => 1580338
                    "created_at" => "2026-04-10 00:54:11"
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                    "edition" => Illuminate\Database\Eloquent\Collection {#5788 …2}
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              ]
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            "next" => array:2 [
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            "tasks" => Illuminate\Database\Eloquent\Collection {#5651
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                0 => App\Models\Task {#5804
                  #connection: "mysql"
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                    "edition_groups" => Illuminate\Database\Eloquent\Collection {#5773 …2}
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                    "parent_branches" => Illuminate\Database\Eloquent\Collection {#5772 …2}
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                  ]
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                }
                1 => App\Models\Task {#5769
                  #connection: "mysql"
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                    "created_at" => "2026-04-10 00:54:11"
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                    "field_display_title" => "2"
                    "field_outside_task" => null
                    "field_task_type" => Illuminate\Database\Eloquent\Collection {#5729 …2}
                    "field_metatags_title" => null
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                    "edition_groups" => Illuminate\Database\Eloquent\Collection {#5765 …2}
                    "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#5762 …2}
                    "parent_branches" => Illuminate\Database\Eloquent\Collection {#5767 …2}
                    "content" => Illuminate\Database\Eloquent\Collection {#5768 …2}
                    "next" => array:2 [ …2]
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                    "book" => Illuminate\Database\Eloquent\Collection {#5750 …2}
                    "page" => array:2 [ …2]
                  ]
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                    "id" => 1367338
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                    "field_task_type" => Illuminate\Database\Eloquent\Collection {#5729 …2}
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                    0 => "*"
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                }
                2 => App\Models\Task {#5766
                  #connection: "mysql"
                  #table: "tasks"
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                  #attributes: array:24 [
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                    "created_at" => "2026-04-10 00:54:11"
                    "updated_at" => null
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                    "field_url" => "/8-klass/himiya/rudzitis-uchebnik-2019/11-3-3"
                    "field_display_title" => "3"
                    "field_outside_task" => null
                    "field_task_type" => Illuminate\Database\Eloquent\Collection {#5741 …2}
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                    "edition_groups" => Illuminate\Database\Eloquent\Collection {#5752 …2}
                    "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#5748 …2}
                    "parent_branches" => Illuminate\Database\Eloquent\Collection {#5754 …2}
                    "content" => Illuminate\Database\Eloquent\Collection {#5753 …2}
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                    "book" => Illuminate\Database\Eloquent\Collection {#5817 …2}
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                  ]
                  #original: array:24 [
                    "id" => 1367339
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                    0 => "*"
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                }
                3 => App\Models\Task {#5751
                  #connection: "mysql"
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                  #primaryKey: "id"
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                  #attributes: array:24 [
                    "id" => 1367340
                    "created_at" => "2026-04-10 00:54:11"
                    "updated_at" => null
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                    "field_url" => "/8-klass/himiya/rudzitis-uchebnik-2019/11-4-1"
                    "field_display_title" => "1"
                    "field_outside_task" => null
                    "field_task_type" => Illuminate\Database\Eloquent\Collection {#5756 …2}
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                    "edition_groups" => Illuminate\Database\Eloquent\Collection {#5815 …2}
                    "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#5813 …2}
                    "parent_branches" => Illuminate\Database\Eloquent\Collection {#5903 …2}
                    "content" => Illuminate\Database\Eloquent\Collection {#5896 …2}
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                    "page" => array:2 [ …2]
                  ]
                  #original: array:24 [
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                    "field_display_title" => "1"
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                    "field_task_type" => Illuminate\Database\Eloquent\Collection {#5756 …2}
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                    "parent_branches" => Illuminate\Database\Eloquent\Collection {#5903 …2}
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                    0 => "*"
                  ]
                }
                4 => App\Models\Task {#5864
                  #connection: "mysql"
                  #table: "tasks"
                  #primaryKey: "id"
                  #keyType: "int"
                  +incrementing: true
                  #with: []
                  #withCount: []
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                  #perPage: 15
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                  #attributes: array:24 [
                    "id" => 1367341
                    "created_at" => "2026-04-10 00:54:11"
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                    "field_page_start" => "41"
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                    "field_url" => "/8-klass/himiya/rudzitis-uchebnik-2019/11-4-2"
                    "field_display_title" => "2"
                    "field_outside_task" => null
                    "field_task_type" => Illuminate\Database\Eloquent\Collection {#5910 …2}
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                4 => App\Models\Task {#5695
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                  #observables: []
                  #relations: []
                  #touches: []
                  +timestamps: true
                  +usesUniqueIds: false
                  #hidden: []
                  #visible: []
                  #fillable: []
                  #guarded: array:1 [
                    0 => "*"
                  ]
                }
                5 => App\Models\Task {#5770
                  #connection: "mysql"
                  #table: "tasks"
                  #primaryKey: "id"
                  #keyType: "int"
                  +incrementing: true
                  #with: []
                  #withCount: []
                  +preventsLazyLoading: false
                  #perPage: 15
                  +exists: true
                  +wasRecentlyCreated: false
                  #escapeWhenCastingToString: false
                  #attributes: array:24 [
                    "id" => 1367335
                    "created_at" => "2026-04-10 00:54:11"
                    "updated_at" => null
                    "field_page_start" => "39"
                    "field_page_end" => null
                    "field_url" => "/8-klass/himiya/rudzitis-uchebnik-2019/10-4-2"
                    "field_display_title" => "2"
                    "field_outside_task" => null
                    "field_task_type" => Illuminate\Database\Eloquent\Collection {#5816 …2}
                    "field_metatags_title" => null
                    "field_metatags_description" => null
                    "field_h1" => null
                    "field_description_top" => null
                    "field_description_bottom" => null
                    "field_match" => null
                    "breadcrumbs" => []
                    "edition_groups" => Illuminate\Database\Eloquent\Collection {#5801 …2}
                    "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#5799 …2}
                    "parent_branches" => Illuminate\Database\Eloquent\Collection {#5806 …2}
                    "content" => Illuminate\Database\Eloquent\Collection {#5807 …2}
                    "next" => array:2 [ …2]
                    "previous" => array:2 [ …2]
                    "book" => Illuminate\Database\Eloquent\Collection {#5787 …2}
                    "page" => array:2 [ …2]
                  ]
                  #original: array:24 [
                    "id" => 1367335
                    "created_at" => "2026-04-10 00:54:11"
                    "updated_at" => null
                    "field_page_start" => "39"
                    "field_page_end" => null
                    "field_url" => "/8-klass/himiya/rudzitis-uchebnik-2019/10-4-2"
                    "field_display_title" => "2"
                    "field_outside_task" => null
                    "field_task_type" => Illuminate\Database\Eloquent\Collection {#5816 …2}
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                    "breadcrumbs" => []
                    "edition_groups" => Illuminate\Database\Eloquent\Collection {#5801 …2}
                    "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#5799 …2}
                    "parent_branches" => Illuminate\Database\Eloquent\Collection {#5806 …2}
                    "content" => Illuminate\Database\Eloquent\Collection {#5807 …2}
                    "next" => array:2 [ …2]
                    "previous" => array:2 [ …2]
                    "book" => Illuminate\Database\Eloquent\Collection {#5787 …2}
                    "page" => array:2 [ …2]
                  ]
                  #changes: []
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                  #attributeCastCache: []
                  #dateFormat: null
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                  #dispatchesEvents: []
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                  #touches: []
                  +timestamps: true
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                  #hidden: []
                  #visible: []
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                  #guarded: array:1 [
                    0 => "*"
                  ]
                }
              ]
              #escapeWhenCastingToString: false
            }
          ]
          #original: array:21 [
            "id" => 1368023
            "created_at" => "2026-04-10 00:54:11"
            "updated_at" => null
            "field_page_start" => "39"
            "field_url" => "/8-klass/himiya/rudzitis-uchebnik-2019/page-39"
            "field_display_title" => "39"
            "field_folder" => "1"
            "field_image_name" => "39"
            "field_branch_parent" => Illuminate\Database\Eloquent\Collection {#5637}
            "field_weight" => "0"
            "field_book_parent" => Illuminate\Database\Eloquent\Collection {#5638}
            "field_metatags_title" => null
            "field_metatags_description" => null
            "field_h1" => null
            "field_description_top" => null
            "field_description_bottom" => null
            "edition_groups" => Illuminate\Database\Eloquent\Collection {#5639}
            "content" => Illuminate\Database\Eloquent\Collection {#5649}
            "next" => array:2 [
              "refs" => "1368024"
              "type" => "book_page"
            ]
            "previous" => array:2 [
              "refs" => "1368022"
              "type" => "book_page"
            ]
            "tasks" => Illuminate\Database\Eloquent\Collection {#5642}
          ]
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          +timestamps: true
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          #hidden: []
          #visible: []
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            0 => "*"
          ]
        }
      ]
      #escapeWhenCastingToString: false
    }
    "tasks" => Illuminate\Database\Eloquent\Collection {#1056
      #items: array:1 [
        0 => App\Models\Task {#1054
          #connection: "mysql"
          #table: "tasks"
          #primaryKey: "id"
          #keyType: "int"
          +incrementing: true
          #with: []
          #withCount: []
          +preventsLazyLoading: false
          #perPage: 15
          +exists: true
          +wasRecentlyCreated: false
          #escapeWhenCastingToString: false
          #attributes: array:24 [
            "id" => 1367336
            "created_at" => "2026-04-10 00:54:11"
            "updated_at" => null
            "field_page_start" => "40"
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            "field_url" => "/8-klass/himiya/rudzitis-uchebnik-2019/11-1-1"
            "field_display_title" => "Вопросы в начале параграфа"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1057
              #items: []
              #escapeWhenCastingToString: false
            }
            "field_metatags_title" => null
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            "breadcrumbs" => []
            "edition_groups" => Illuminate\Database\Eloquent\Collection {#1058
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              #escapeWhenCastingToString: false
            }
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1068
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                0 => App\Models\Branch {#1067
                  #connection: "mysql"
                  #table: "branches"
                  #primaryKey: "id"
                  #keyType: "int"
                  +incrementing: true
                  #with: []
                  #withCount: []
                  +preventsLazyLoading: false
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                    "id" => 1367111
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                    "field_branch_order" => "1"
                    "field_url" => null
                    "field_branch_type" => Illuminate\Database\Eloquent\Collection {#1072 …2}
                    "field_page_start" => "4"
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                    "field_branch_title_in_content" => "0"
                    "field_navigation_title" => null
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                    "field_h1" => null
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                    "field_branch_cover" => []
                    "book" => Illuminate\Database\Eloquent\Collection {#1071 …2}
                    "branch_parent" => Illuminate\Database\Eloquent\Collection {#1070 …2}
                  ]
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                    "id" => 1367111
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                    "field_branch_order" => "1"
                    "field_url" => null
                    "field_branch_type" => Illuminate\Database\Eloquent\Collection {#1072 …2}
                    "field_page_start" => "4"
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                    "field_h1" => null
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                    "field_branch_cover" => []
                    "book" => Illuminate\Database\Eloquent\Collection {#1071 …2}
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                  ]
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                    0 => "*"
                  ]
                }
              ]
              #escapeWhenCastingToString: false
            }
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1100
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                0 => App\Models\Branch {#1110
                  #connection: "mysql"
                  #table: "branches"
                  #primaryKey: "id"
                  #keyType: "int"
                  +incrementing: true
                  #with: []
                  #withCount: []
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                  +exists: true
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                    "id" => 1367111
                    "created_at" => "2026-04-10 00:54:11"
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                    "field_display_title" => "Первоначальные химические понятия"
                    "field_branch_order" => "1"
                    "field_url" => null
                    "field_branch_type" => Illuminate\Database\Eloquent\Collection {#1111 …2}
                    "field_page_start" => "4"
                    "field_branch_display" => "0"
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                    "field_display_branch_in_title" => "1"
                    "field_display_task_interval" => "0"
                    "field_display_branch_page" => "1"
                    "field_branch_title_in_content" => "0"
                    "field_navigation_title" => null
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                    "field_metatags_description" => null
                    "field_h1" => null
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                    "field_description_bottom" => null
                    "field_branch_cover" => []
                    "book" => Illuminate\Database\Eloquent\Collection {#1112 …2}
                    "branch_parent" => Illuminate\Database\Eloquent\Collection {#1113 …2}
                  ]
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                    "id" => 1367111
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                    "updated_at" => null
                    "field_display_title" => "Первоначальные химические понятия"
                    "field_branch_order" => "1"
                    "field_url" => null
                    "field_branch_type" => Illuminate\Database\Eloquent\Collection {#1111 …2}
                    "field_page_start" => "4"
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                    "field_branch_cover" => []
                    "book" => Illuminate\Database\Eloquent\Collection {#1112 …2}
                    "branch_parent" => Illuminate\Database\Eloquent\Collection {#1113 …2}
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                  #attributeCastCache: []
                  #dateFormat: null
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                  +timestamps: true
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                    0 => "*"
                  ]
                }
                1 => App\Models\Branch {#1114
                  #connection: "mysql"
                  #table: "branches"
                  #primaryKey: "id"
                  #keyType: "int"
                  +incrementing: true
                  #with: []
                  #withCount: []
                  +preventsLazyLoading: false
                  #perPage: 15
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                  #escapeWhenCastingToString: false
                  #attributes: array:23 [
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                    "created_at" => "2026-04-10 00:54:11"
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                    "field_branch_order" => "11"
                    "field_url" => null
                    "field_branch_type" => Illuminate\Database\Eloquent\Collection {#1118 …2}
                    "field_page_start" => "40"
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                    "field_navigation_title" => null
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                    "field_metatags_description" => null
                    "field_h1" => null
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                    "field_description_bottom" => null
                    "field_branch_cover" => []
                    "book" => Illuminate\Database\Eloquent\Collection {#1117 …2}
                    "branch_parent" => Illuminate\Database\Eloquent\Collection {#1116 …2}
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                    "id" => 1367138
                    "created_at" => "2026-04-10 00:54:11"
                    "updated_at" => null
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                    "field_branch_order" => "11"
                    "field_url" => null
                    "field_branch_type" => Illuminate\Database\Eloquent\Collection {#1118 …2}
                    "field_page_start" => "40"
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                    "book" => Illuminate\Database\Eloquent\Collection {#1117 …2}
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                  #visible: []
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                  #guarded: array:1 [
                    0 => "*"
                  ]
                }
                2 => App\Models\Branch {#1119
                  #connection: "mysql"
                  #table: "branches"
                  #primaryKey: "id"
                  #keyType: "int"
                  +incrementing: true
                  #with: []
                  #withCount: []
                  +preventsLazyLoading: false
                  #perPage: 15
                  +exists: true
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                    "field_branch_order" => null
                    "field_url" => null
                    "field_branch_type" => Illuminate\Database\Eloquent\Collection {#1120 …2}
                    "field_page_start" => "40"
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                    "book" => Illuminate\Database\Eloquent\Collection {#1121 …2}
                    "branch_parent" => Illuminate\Database\Eloquent\Collection {#1130 …2}
                  ]
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                    "field_branch_order" => null
                    "field_url" => null
                    "field_branch_type" => Illuminate\Database\Eloquent\Collection {#1120 …2}
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                    "book" => Illuminate\Database\Eloquent\Collection {#1121 …2}
                    "branch_parent" => Illuminate\Database\Eloquent\Collection {#1130 …2}
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                  #touches: []
                  +timestamps: true
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                  #hidden: []
                  #visible: []
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                  #guarded: array:1 [
                    0 => "*"
                  ]
                }
              ]
              #escapeWhenCastingToString: false
            }
            "content" => Illuminate\Database\Eloquent\Collection {#1098
              #items: array:3 [
                0 => App\Models\Element {#1092
                  #connection: "mysql"
                  #table: "elements"
                  #primaryKey: "id"
                  #keyType: "int"
                  +incrementing: true
                  #with: []
                  #withCount: []
                  +preventsLazyLoading: false
                  #perPage: 15
                  +exists: true
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                  #escapeWhenCastingToString: false
                  #attributes: array:7 [
                    "id" => 1579578
                    "created_at" => "2026-04-10 00:54:11"
                    "updated_at" => null
                    "edition" => Illuminate\Database\Eloquent\Collection {#1089 …2}
                    "task" => array:2 [ …2]
                    "text" => "<p>🔴<strong>Повторите единицы измерения массы.</strong></p>"
                    "img" => array:1 [ …1]
                  ]
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                    "created_at" => "2026-04-10 00:54:11"
                    "updated_at" => null
                    "edition" => Illuminate\Database\Eloquent\Collection {#1089 …2}
                    "task" => array:2 [ …2]
                    "text" => "<p>🔴<strong>Повторите единицы измерения массы.</strong></p>"
                    "img" => array:1 [ …1]
                  ]
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                  #attributeCastCache: []
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                  #hidden: []
                  #visible: []
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                    0 => "*"
                  ]
                }
                1 => App\Models\Element {#1090
                  #connection: "mysql"
                  #table: "elements"
                  #primaryKey: "id"
                  #keyType: "int"
                  +incrementing: true
                  #with: []
                  #withCount: []
                  +preventsLazyLoading: false
                  #perPage: 15
                  +exists: true
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                  #escapeWhenCastingToString: false
                  #attributes: array:6 [
                    "id" => 1579631
                    "created_at" => "2026-04-10 00:54:11"
                    "updated_at" => null
                    "edition" => Illuminate\Database\Eloquent\Collection {#1081 …2}
                     …2
                  ]
                  #original: array:6 [ …6]
                  #changes: []
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                  #attributeCastCache: []
                  #dateFormat: null
                  #appends: []
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                  #touches: []
                  +timestamps: true
                  +usesUniqueIds: false
                  #hidden: []
                  #visible: []
                  #fillable: []
                  #guarded: array:1 [ …1]
                }
                2 => App\Models\Element {#1083
                  #connection: "mysql"
                  #table: "elements"
                  #primaryKey: "id"
                  #keyType: "int"
                  +incrementing: true
                  #with: []
                  #withCount: []
                  +preventsLazyLoading: false
                  #perPage: 15
                  +exists: true
                  +wasRecentlyCreated: false
                  #escapeWhenCastingToString: false
                  #attributes: array:6 [ …6]
                  #original: array:6 [ …6]
                  #changes: []
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                  #classCastCache: []
                  #attributeCastCache: []
                  #dateFormat: null
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                  #relations: []
                  #touches: []
                  +timestamps: true
                  +usesUniqueIds: false
                  #hidden: []
                  #visible: []
                  #fillable: []
                  #guarded: array:1 [ …1]
                }
              ]
              #escapeWhenCastingToString: false
            }
            "next" => array:2 [
              "refs" => "1367337"
              "type" => "task"
            ]
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            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1094
              #items: array:1 [
                0 => App\Models\Book {#1006}
              ]
              #escapeWhenCastingToString: false
            }
            "page" => array:2 [
              "refs" => "1368024"
              "type" => "book_page"
            ]
          ]
          #original: array:24 [
            "id" => 1367336
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            "field_page_start" => "40"
            "field_page_end" => null
            "field_url" => "/8-klass/himiya/rudzitis-uchebnik-2019/11-1-1"
            "field_display_title" => "Вопросы в начале параграфа"
            "field_outside_task" => null
            "field_task_type" => Illuminate\Database\Eloquent\Collection {#1057}
            "field_metatags_title" => null
            "field_metatags_description" => null
            "field_h1" => null
            "field_description_top" => null
            "field_description_bottom" => null
            "field_match" => null
            "breadcrumbs" => []
            "edition_groups" => Illuminate\Database\Eloquent\Collection {#1058}
            "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1068}
            "parent_branches" => Illuminate\Database\Eloquent\Collection {#1100}
            "content" => Illuminate\Database\Eloquent\Collection {#1098}
            "next" => array:2 [
              "refs" => "1367337"
              "type" => "task"
            ]
            "previous" => array:2 [
              "refs" => "1367335"
              "type" => "task"
            ]
            "book" => Illuminate\Database\Eloquent\Collection {#1094}
            "page" => array:2 [
              "refs" => "1368024"
              "type" => "book_page"
            ]
          ]
          #changes: []
          #casts: []
          #classCastCache: []
          #attributeCastCache: []
          #dateFormat: null
          #appends: []
          #dispatchesEvents: []
          #observables: []
          #relations: []
          #touches: []
          +timestamps: true
          +usesUniqueIds: false
          #hidden: []
          #visible: []
          #fillable: []
          #guarded: array:1 [
            0 => "*"
          ]
        }
      ]
      #escapeWhenCastingToString: false
    }
  ]
  #original: array:21 [
    "id" => 1368024
    "created_at" => "2026-04-10 00:54:11"
    "updated_at" => null
    "field_page_start" => "40"
    "field_url" => "/8-klass/himiya/rudzitis-uchebnik-2019/page-40"
    "field_display_title" => "40"
    "field_folder" => "1"
    "field_image_name" => "40"
    "field_branch_parent" => Illuminate\Database\Eloquent\Collection {#1008}
    "field_weight" => "0"
    "field_book_parent" => Illuminate\Database\Eloquent\Collection {#1037}
    "field_metatags_title" => null
    "field_metatags_description" => null
    "field_h1" => null
    "field_description_top" => null
    "field_description_bottom" => null
    "edition_groups" => Illuminate\Database\Eloquent\Collection {#1035}
    "content" => Illuminate\Database\Eloquent\Collection {#1046}
    "next" => array:2 [
      "refs" => "1368025"
      "type" => "book_page"
    ]
    "previous" => array:2 [
      "refs" => "1368023"
      "type" => "book_page"
    ]
    "tasks" => Illuminate\Database\Eloquent\Collection {#1056}
  ]
  #changes: []
  #casts: []
  #classCastCache: []
  #attributeCastCache: []
  #dateFormat: null
  #appends: []
  #dispatchesEvents: []
  #observables: []
  #relations: []
  #touches: []
  +timestamps: true
  +usesUniqueIds: false
  #hidden: []
  #visible: []
  #fillable: []
  #guarded: array:1 [
    0 => "*"
  ]
}
Химия, 8 класс Учебник, автор: Рудзитис Гунтис Екабович, издательство Просвещение, Москва, 2019 - 2022, страница 40
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