Предмет: Химия, автор: pasha13letl

Cu-CuCl2-Cu(OH)2-CuO-Cu Уравнение реакций

Ответы

Автор ответа: PegeJ

2

Cu+2HCl-->CuCl2+H2

CuCl2+2NaOH-->2NaCl+Cu(OH)2

Cu(OH)2-->CuO+H2O

CuO+H2-->Cu+H2O

pasha13letl: ну с интернета я тоже могу скопировать, а новое ничего нельзя придумать?

PegeJ: что?

Предыдущий вопрос

Следующий вопрос

Похожие вопросы

Предмет: Окружающий мир, автор: vapro2006

Сообщение о дрофе для 4 класса

2 года назад

Предмет: Английский язык, автор: oFuntik

Test 1. Second or Third Conditional? Put the verbs in brackets into the correct tense.

1. If Bruce had asked me, I (say) ‘yes’.

2. If I (not take) an umbrella, I would have got wet.

3. If he knew that it was dangerous, he (not come).

4. If someone (give) you a helicopter, what would you do with it?

5. They (not miss) the plane if they hadn’t woken up late.

6. If you (ask), I could have told you the answer.

7. I could help you with the text if I (know) Greek.

8. If only he had asked, I (help) him.

9. If I (invite) to my friend’s party, I would never dress casually.

10. If she (pass) her driving test, she would have bought a car.

Test 2. Second or Third Conditional? Put the verbs in brackets into the correct tense.

1. I wasn’t hungry. If I (be) hungry, I (eat) something.

2. I’m glad we had a map. I’m sure we (get) lost if we (not have) one.

3. We decided not to move. We (lose) a lot of money if we (sell) our house.

4. If you (be) a bird, you (can) fly.

5. If she (ask) Tom yesterday, he certainly (tell) her about it.

6. He wasn’t ill last week. If he (be) ill, he (not play) football.

7. I don’t want to get up so early. If it (be) Sunday today, I (not have) to get up.

8. I’m glad we had a mobile phone. If we (not contact) the police, they (not catch) the criminals.

9. You should stop smoking! You (not feel) so bad if you (not smoke) too much.

10. You didn’t ring me up yesterday. If you (call) me, I (tell) you everything.

2 года назад

Предмет: Русский язык, автор: Фархад11111

Подчеркните главные члены предложения и определения. ( Молодой ) трава на ( солнечный ) стороне поляны была гуще и выше.

2 года назад

Предмет: Информатика, автор: prostoisovkysom78

Помогите пожалуйста, срочно очень!!!
Конспект на тему: устройство персонального компьютера

8 лет назад

Предмет: Математика, автор: oihyjut

сократите дробь пожалуйста

8 лет назад