Уравнения химических реакций

object(ArrayObject)#872 (1) {
  ["storage":"ArrayObject":private] => array(6) {
    ["title"] => string(55) "Уравнения химической реакции "
    ["seo_title"] => string(35) "uravnieniia-khimichieskoi-rieaktsii"
    ["file_id"] => string(6) "155573"
    ["category_seo"] => string(6) "himiya"
    ["subcategory_seo"] => string(5) "uroki"
    ["date"] => string(10) "1421302249"
  }
}

object(ArrayObject)#894 (1) {
  ["storage":"ArrayObject":private] => array(6) {
    ["title"] => string(88) "Решение задач по уравнениям химических реакций "
    ["seo_title"] => string(59) "rieshieniie-zadach-po-uravnieniiam-khimichieskikh-rieaktsii"
    ["file_id"] => string(6) "171556"
    ["category_seo"] => string(6) "himiya"
    ["subcategory_seo"] => string(5) "uroki"
    ["date"] => string(10) "1423678447"
  }
}

object(ArrayObject)#872 (1) {
  ["storage":"ArrayObject":private] => array(6) {
    ["title"] => string(155) "рабочий лист по теме: Уравнения химических реакций. Закон сохранения массы вещества "
    ["seo_title"] => string(100) "rabochii-list-po-tiemie-uravnieniia-khimichieskikh-rieaktsii-zakon-sokhranieniia-massy-vieshchiestva"
    ["file_id"] => string(6) "134345"
    ["category_seo"] => string(6) "himiya"
    ["subcategory_seo"] => string(7) "prochee"
    ["date"] => string(10) "1416739267"
  }
}

object(ArrayObject)#894 (1) {
  ["storage":"ArrayObject":private] => array(6) {
    ["title"] => string(151) "Краткосрочный план. Уравнения химических реакции. Закон сохранения массы веществ."
    ["seo_title"] => string(95) "kratkosrochnyi-plan-uravnieniia-khimichieskikh-rieaktsii-zakon-sokhranieniia-massy-vieshchiestv"
    ["file_id"] => string(6) "305366"
    ["category_seo"] => string(6) "himiya"
    ["subcategory_seo"] => string(5) "uroki"
    ["date"] => string(10) "1457932926"
  }
}

object(ArrayObject)#872 (1) {
  ["storage":"ArrayObject":private] => array(6) {
    ["title"] => string(92) "Уравнения химических реакций. Реакции разложения."
    ["seo_title"] => string(55) "uravneniia_khimicheskikh_reaktsii_reaktsii_razlozheniia"
    ["file_id"] => string(6) "487166"
    ["category_seo"] => string(6) "himiya"
    ["subcategory_seo"] => string(5) "uroki"
    ["date"] => string(10) "1542948639"
  }
}