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Вопрос по химии:
8 КЛАСС
Допишіть рівняння можливих реакцій:
Mg+O2➡
Al+O2➡
CuSo4+NaOH➡
CaO+H2SO4➡-
Автор:
maggie-mae
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Ответ:
Объяснение:
2Mg + O2 = 2MgO
4Al+ 3O2 = 2Al2O3
CuSO4 + 2NaOH = Cu(OH)2 + Na2SO4
CaO + H2SO4 = CaSO4 + H2O
Еще 4 ненужных тебе вопроса, но это важно для поиска
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Вопрос по математике:
помогите решить задачу по математике: норма расхода бензина легковым автомобилем в летнее время составляет 6л на 100км. в зимнее время 9л на 100км.на сколько процентов расход бензина больше.чем летом?
заранее спасибо-
Ответов: 2
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5 лет назад
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Вопрос по биологии:
запасные органические вещества в стебле липы откладываются в клетках точно не луба-
Ответов: 1
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5 лет назад
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Вопрос по английскому языку:
7.1. Прочитайте и переведите предложения, содержащие оборот Complex Object – «сложное дополнение».
1. I hate her to use these words.
2. I don’t like them to do it.
3. I want you to come back.
4. She wanted them to read that book.
5. I wish you to be happy.
6. I want you to be remembered.
7. I should like us to be invited to the conference.
8. We know him to be a good artist.
9. I expect him to ask that question.
10. I consider him (to be) wrong.
11. The teacher allowed us to use dictionaries.
12. I ask you not to be late this time.
13. I’ll get her to come.
14. The doctor told me to stay in bed.
15. She allowed the car to be taken away.
7.2. Прочитайте и переведите предложения, содержащие оборот Complex Subject – «сложное подлежащее».
1. She was announced to be the winner.
2. They are reported to arrive in two days.
3. He is said to be very ill.
4. She is considered to be the best singer.
5. He is known to be a good writer.
6. I was supposed to meet him.
7. Birds were heard to sing in the garden.
8. He was seen to enter the house.
9. He is reported to be writing a new novel.
10. He is said to have returned at last.
11. She was allowed to go for a walk.
12. They were asked to come earlier.
13. They were ordered to leave the hall.
14. He appeared to know her new address.
15. He seems to know us.
16. He seems (to be) angry.
17. He seems to be watching us.
18. She seemed to have kept all his promises.
19. He proved to be a good friend.
20. He turned out (to be) a smuggler.
21. He is likely to come.
22. He is unlikely to help you.
23. They are sure to come soon.-
Ответов: 1
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5 лет назад
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Вопрос по литературе:
Lyus
4. Распредели сло
редели слова на три группы. Запиши.
река, идёт, дерево, тёплый, свистит, бегут, соловей,
аелёный, умный.
Имя
существительное
Имя
прилагательное
Глагол
достиг
стремлюсь-
Ответов: 1
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5 лет назад
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