Предмет: Химия, автор: vladpar2004

Формула простого вещества железа. А так же уровняйте Fe + O = Fe3O4

Ответы

Автор ответа: annbrodovskaal

0

УРАВНЕНИЕ:

3Fe+2O2=Fe3O4

Предыдущий вопрос

Следующий вопрос

Похожие вопросы

Предмет: Английский язык, автор: glushkovs2000

1) This dish ................. very good.
a) is smelling
b) smell
c) smells
d) smelling
2) He ................. the piano every day.
a. practicing
b. practice
c. practices
d. practicing

3) Anna ................. right now.
a. is swimming
b. swim
c. swims
d. am swimming
4) I ................. you now.
a. is believing
b. believe
c. am believing
d. believes
5) She doesn't have ................. money.
a. much
b. many
c. little
d. a little
6) I would like ................. pepper on my vegetables.
a. a few
b. a little
c. few
d. many
7) There ................. bad news on TV tonight.
a. is too much
b. are too many
c. are few
d. are a few
8) Could you give him ................. ?
a. an advice
b. some good advices
c. a good advice
d. some good advice
9) My dad bought me ................. car that I wanted for my birthday.
a. a
b. some
c. the
d. that
10) ................. Statue of Liberty was a generous gift of friendship from ................. France to ................. United States.
a. the, the, the
b. the, -, the
c. the, -, -
d. a, -, the
11) Please give me ................. cup of ................. strong coffee with ................. cream and ................. sugar. I hate ................. black coffee, I'm afraid.
a. a, -, -, -, -
b. the, the. the, the, -
c. the, -, -, -, -
d. a, the, -, -, the
12) 6 people were in the shop. 2 were buying fish. ................. was looking at newspapers. ................. was eating a chocolate bar. ................. were walking somewhere around looking for even more food.
a. The other, Other, Others
b. Another, Another, The others
c. Others, Another, Others
d. Others, Another, The others
13) We're looking for a nice ................. .
a. furniture
b. view
c. work
d. accommodation
14) We watched ................. news on ................. Internet.
a. this, -
b. these, -
c. this, the
d. these, the
15) I see ................. at the university every day.
a. she
b. her
c. herself

6 лет назад

Предмет: Английский язык, автор: abdullaziza812

6 ACTIVATE Find out people's favourite shops. What's your favourite games shop? It's Action Games in Chester Street.Пжпжпжппжпжпжпж помощь нужна

6 лет назад

Предмет: Математика, автор: afvvvk3

Туристы за 5 дней прошли 750 км.Сколько км проходили туристы каждый день
Пожалуйста решение!

6 лет назад

Предмет: Математика, автор: eskalieva7878

54/120*100 сколько процентов

10 лет назад

Предмет: Алгебра, автор: borisovsergey200315

a-b=3 придумать задачу по математической модели , помогите пж

10 лет назад