16
Напишите общую формулу карбоновых кислот
17
Укажите коэффициент перед окислителем в уравнении реакции:
Hg + HNO3 → Hg(NO3)2 + NO2 + H2O
18
Подберите коэффициенты методом электронного баланса в уравнении K2Cr2O7 + SO2 + H2SO4 → K2SO4 + Сr2(SO4)3 + H2O и укажите коэффициент, стоящий в суммарном уравнении перед восстановителем.
19
Укажите заряд анионов, преобладающих в растворе оксида азота (V).
20
В оксиде на 128 частей меди приходится 16 частей кислорода. Найдите формулу оксида. Назовите его.
Здравствуйте, dasha230158!
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1. He said that he had already spoken with the manager.
2. She asked me to take off my shoes.
3. He wanted to know where I lived the last few years.
4. I warned her not to get too close to the edge of the cliff.
5. I asked her if Mrs. Brownlow had just turned a corner.
6. I asked them to check if they were in the right part of the train.
7. He told me that he had not eaten for several days.
8. We agreed that I would see them in a few days.
9. They asked me if I wanted a cup of tea.
10. He begged her to give him some money, but she refused.
11. Police ordered the crowd to step back.
12. She wants to know if the manager will be back tomorrow.
13. His expression said that I was late.
14. We decided that the computer should be turned off.
15. We advised the company to open a new factory.
16. I asked him if Mr. Steadman had already registered.
17. He ordered his soldiers to stay there.
18. Your parents want to know if you have a good time at the moment.
19. They told me that the train was leaving at that very moment.
20. I wanted to know how much money I had in my bank account.
21. Mr. Jones wants to know why you suddenly decided to resign last week.
22. Other people in the apartment asked me not to smoke.
23. The publishers told me that they were not going to accept my book.
24. She said she did not know the answer.
25. They told me that I was not very polite yesterday.
26. He indicated that he agreed with a nod of his head.
27. They shouted that they could not cross the river and were about to return to the car.
28. They asked me not to say anything, but just to listen quietly.
29. She asked when the plane arrived and whether it flew directly from Brussels.
30. He asked if I had a conversation with Dr. Jones when I was in the hospital.