Предмет: Химия, автор: ledyhelga

Рассмотреть уравнение реакции как О-ВР:
Fe2O3 + H2 → Fe + H2O

Ответы

Автор ответа: monkeyme

0

Ответ:

Fe₂⁺³O₃⁻² + 3H₂⁰ → 2Fe⁰ + 3H₂⁺O⁻²

Fe⁺³ + 3e → Fe⁰ | 2 - окислитель (восстановление)

H₂⁰ - 2e → 2H⁺ | 3 - восстановитель (окисление)

Предыдущий вопрос

Следующий вопрос

Похожие вопросы

Предмет: Английский язык, автор: Name25

СОСТАВИТЬ 5 ВОПРОСОВ ПО ТЕКСТУ
To keep fit most people do sports. Some of them join a sports club. The most popular individual sports are walking, swimming, cycling and aerobics.People work hard. They come home late and are busy at weekends. They have no time to go to a sports club or sports centre which isn’t quite near their homes. They can hardly do sport seriously. They just want to relax.People of all ages and types do exercises at home to improve their health and to keep fit. In the morning they switch on TV and follow fitness classes at home or go jogging in the park in the evening.

2 года назад

Предмет: Английский язык, автор: Name25

To keep fit most people do sports. Some of them join a sports club. The most popular individual sports are walking, swimming, cycling and aerobics.People work hard. They come home late and are busy at weekends. They have no time to go to a sports club or sports centre which isn’t quite near their homes. They can hardly do sport seriously. They just want to relax.People of all ages and types do exercises at home to improve their health and to keep fit. In the morning they switch on TV and follow fitness classes at home or go jogging in the park in the evening.
Напишите пожалуйста 5 вопросов по тексту оччччень срочно !
спасибо )

2 года назад

Предмет: Английский язык, автор: Super98men

Даю 50 балов СРОЧНО ПОМОГИТЕ
1. Put the verbs in brackets in the correct tense.
   1) Last summer we ( to go ) scuba diving
      2) My friend (not to make) a decision yet
   3) When i came home my brother (to speak) on the phone
   4) He (to make) a campfire in some minutes
   5) My father always (to put) the tent whhen we go camping
   6) They (to leave) the hotel ten minutes ago
2. Write about the animals using the information below.
   Tiger - the largest member of the cat family. Has got: orange,black and white fur and long tail. Lives in: forests of Asia,China,India. Is: up to 2 metres long. Eats: meat of other animals like deer. Can: swim well, climb the trees.
3. Put the words in the correct order to make sentences.
   1) travelled/people/by/the/sea/past/In.
   2) the/largest/world/country/in/Canade/the/is/second.
   3) like/churches/to/Tourists/Ukraine/visit/in.
   4) in/animals/Nowadays/danger/are/many.
   5) protect/pollution/must/People/the/environment/from,

2 года назад

Предмет: Математика, автор: ппппп75

найди значение выражения в) 16,75y-(4,75y+10,8) при y = 0,9 3,01

9 лет назад

Предмет: Математика, автор: Амина837

28085/137+405*1002
(85527/17+4899)*46
1409*207-142593/33
(874-30970/38)*10498
ПОМОГИТЕЕЕЕЕЕЕЕЕЕЕ

9 лет назад