Предмет: Химия, автор: Cheki2Breki

Fe→Fe203→FeCI3 укажите тип каждой реакции в известных вам класификаций химических реакций

Ответы

Автор ответа: unezhewaoxnw6u

2

Объяснение:

Реакция соединения:

4Fe + 3O2 = 2Fe2O3

Реакция обмена:

Fe2O3 + 6HCl = 2FeCl3 + 3H2O

Предыдущий вопрос

Следующий вопрос

Похожие вопросы

Предмет: Английский язык, автор: nefmari

Умаляю просто расставить буквы к цифрам !!!!
) litter a) garbage on the ground or in the street

2) fence b) a special container for garbage

3) jail c) everything that a person can see

4) litter bin d) a wall that separates two places

5) view e) sickness

6) fine f) to try to stop

7) litterbug g) a number of people

8) disease h) money people pay as punishment

9) control i) a place people stay as punishment

10) group j) a person who throws litter

1 год назад

Предмет: Английский язык, автор: holodnayaj

Choose the correct item.
20. Since there's nothing you can do about the situation, you'll just have to........ and bear
A smile B laugh C grin
21.
Ron felt a sharp pain in his knee, so he decided to........by a doctor.
A have checked it B having it checked C have it checked

49. A hidden camera inside the bank enabled the police to........the criminals.
A announce B realise C identify
50. The students are looking forward........part in tree-planting day.
A taking B to take C to taking
51. As a child, Debbie........a lot, but now she speaks quite clearly.
A stammered B whispered C groaned
52. The fire fighters spent six hours trying to.......the fire in the factory.
A engulf B extinguish C establish
54. David never stops boasting.........his high marks; it’s so annoying! A for B with C about
61.
We’d better get on the bus now; it’s....... .
A due to leave B about to leave C to leave

The mountaineers........ the summit by late afternoon.
A have reached B will reach C will have reached
When my brother and I argue, our parents.........to take sides.
A object B refuse C reject
There is a great need to.......a recycling centre in our area.
A makeup B bringup C setup

65. I saw Oliver yesterday, but he..........to catch the bus, so I didn’t have a chance to
talk to him.
A was running B has been running C had been running

The men who...........the jewellery shop got away with £100,000 worth of jewellery.
A stole B broke C robbed

1 год назад

Предмет: Русский язык, автор: нита5

помогите пожалуйста сделать упр 89

1 год назад

Предмет: Английский язык, автор: ezhumash

at in on
Dad often cooks nice food _____ the barbecue.
My brother often plays tennis ____ holiday.
He doesn't usually cook ____ home.

7 лет назад

Предмет: Українська мова, автор: LILYAVELI4CKO1

Скласти речення 4 про лисичку

7 лет назад