Предмет: Химия, автор: julyamalyavina

13. Здійснити перетворення за схемою: CaO Ca(OH)2 CaCl2 CaSO.

Ответы

Автор ответа: lizagrugorieva163412

0

Ответ:

CaO + H2O = Ca(OH)2

Ca(OH)2 + 2HCl = CaCl2 + 2H2O

CaCl2 + H2SO = CaSO + 2HCl

Объяснение:

Предыдущий вопрос

Следующий вопрос

Похожие вопросы

Предмет: Технология, автор: ivanov68rus

какие инструменты вырубают проушины и гнёзда?СРОЧНО!

1 год назад

Предмет: Английский язык, автор: nastyanov13

II-VARIANT
I. Поставьте глагол в PAST SIMPLE или PAST PERFECT :
1. John (to think) that he (to see) the face before.
2. When I (to arrive) the lecture (not to start) yet.
3. The rain (to stop) before our train (to reach) the station.
4. They (to tell) us that they (to manage) to solve the problem.
5. The sick man (to feel) better after he (to take) his medicine.
6. The thunderstorm (to break out) soon after we (to return) home.
7. When we (to come) to the club the meeting (to begin).
8. She (to write) her exercise by 6 o’clock yesterday.
9. I (to have) dinner at home before I (to go) to the theatre.
10. When I (to call) on my friend he (to go) out.
II. Задайте разные типы вопросов к предложениям, поставьте предложения в отрицательную форму:
1. By 1978 they had lived in New York for ten years.
2. She had packed everything by 7 o’clock yesterday morning.
3. I had translated the article by the end of September.
III. Переведите предложения на русский язык:
1. He had read the play before he saw it at the theatre.
2. I couldn’t watch the 9 o’clock news on TV because I hadn’t finished my homework by that time.
3. When I saw him in August he had already graduated from the university.
4. She had swept the floor when he came home.
5. It began snowing after I had come home.
6. The children had washed their hands before mother called them.
7. I was not hungry. I had already eaten.
8. After he had seen all the pictures he decided to buy two of them.
9. She had written only three letters by noon.
10. They reached the place after they had covered a distance of 30 miles.

1 год назад

Предмет: Русский язык, автор: sarvar0128

Обозначь существительные в родительном винительном падежах.
Из песни слова не выкинешь.
От скуки бери дело в руки.
Меткое слово бьет сильнее палки.
Любишь смородину, люби и оскомину.
помогите пожалуйста опаздываю

1 год назад

Предмет: Математика, автор: Аноним

Реши пример:(2346-654:677)×65÷78-43×345

8 лет назад

Предмет: Английский язык, автор: user929

помогите пожалуйста ,надо сопоставить провотиположные друг другу слова,

8 лет назад