уточнять методом электронного баланса указать окислитель восстановительные - №19039313

уточнять методом электронного баланса указать окислитель восстановительные Zn+HNO3=Zn(NO3)2+NH4NO3+H2O
- Предмет:
  Химия
- Автор:
  mccall
- 6 лет назад

Ответы 1

Zn-был (0) стал +2(вос-ль)N- был (+5) стал -2(окис-ль)
- Автор:
  marin
- 6 лет назад
- 0
Добавить свой ответ

Еще вопросы

Было 5 белых,3 красных и 7 розовых хризантем в вазе.Найди вероятность того,что наугад будет взята розовая хризантема
- Предмет:
  Математика
- Автор:
  fisher34
- 6 лет назад
- Ответов:
  
  2
- Смотреть
"әуежайда" тақырыбы бойынша әңгімелеңіз помогите пожалуйста
- Предмет:
  Қазақ тiлi
- Автор:
  ceceliaqxtb
- 6 лет назад
- Ответов:
  
  1
- Смотреть
выберете вопросительное слово которое должно вводить косвенный вопрос:
1. I asked Nick... he was going
c) where
d) how many
b) how
a) why
2. I wanted to know... he was going to stay there
c) how much
d)how long
b) that
a) what
3. He wondered.... would see me.
d) how
c) what
b) who
a) why
4. They asked them.... time the train started
d) how
c) when
b) what
a) that
5. Mary asked Tom... he would do the next day
d) why
c) which
b) what
a) that
6. l asked Nick... he was going to come back
d) how many
a) why
c) where
b) when
7. I wanted to know.... kind of book Bob had brought d)how long
a) what
b) that

c)which
d)how long

8. Ann wondered.... I hadn't come the day before
d) how
a) why
c) what
b) who
9. Nick asked me.... I had seen such trees.
d) how
a) where
c) when
b) what
10. Boris wanted to know.... he could get to the railway station
d) why
b) how
c) which
a) that

11. Mother asked Nick.... had brought this parcel
d) who
a) why
c) where
b) how
12. Boris wanted to know... he could get to the railway station
c) how
d)where
b) what
a) that
13. He wondered... we were going to stay there. d) how long
b) why
c) what
a) who
14. I asked them... they would do the next day
d) how
c) when
b) that
a) what
5. Mary asked Tom.... he was going
d) why
b) where
c) which
a) that
- Предмет:
  Английский язык
- Автор:
  ashtonxmyv
- 6 лет назад
- Ответов:
  
  1
- Смотреть
преобразуйте выражение (√10-√5)√20-58
- Предмет:
  Математика
- Автор:
  garrison38
- 6 лет назад
- Ответов:
  
  1
- Смотреть

How much to ban the user?

1 hour 1 day 100 years