Предмет: Химия, автор: ozadovskakaterina

склаліть рівняння реакції взаємодії гліцерину з натрієм та натрій карбонатом пожалуйста срочно

Ответы

Автор ответа: тайная

1

Ответ:

2NH₂-CH₂-COOH + 2Na ---> 2NH₂-CH₂-COONa + H₂

2NH₂-CH₂-COOH + Na₂CO₃ --> 2NH₂-CH₂-COONa + CO₂ + H₂O

Предыдущий вопрос

Следующий вопрос

Похожие вопросы

Предмет: Английский язык, автор: polinkalowe2016

Test.

1) The last time I _______ a book was two weeks ago.

A) readed

B) read

C) reads

2) __________the concert last evening?

A) Did you like

B) Do you liked

C) Did you liked

3) Last month I ___________ to Scotland on holiday.

A) go

B) went

C) goed

4) It _________ a good movie!

A) were

B) be

C) was

5) I _________ lots of museums last week.

A) visits

B) visited

C) visit

6) What film _______ yesterday?

A) you see

B) did you saw

C) did you see

7) Where _________her last holiday?

A) did she spend

B) she spends

C) was she spend

8) My uncle ________ a yacht last week.

A) did buy

B) bought

C) buyed

9) She _________ French when she was at school.

A) study

B) did study

C) studied

10) _________ a new TV program yesterday?

A) Watched you

B) Did you watch

C) Did you watched

11) John was so thirsty that he ________ two glasses of water.

A) drink

B) drank

C) drinked

12) He never ________ long distances when he was a child.

A) runned

B) ran

C) didn’t run

13) We ________ a nice time at seaside last summer.

A) had

B) did have

C) haved

14) My mother was very tired, so she ________ to bed early last night.

A) went

B) go

C) did go

15) It was hot, so I ________ the window.

A) did open

B) open

C) opened

16) It was my brother’s birthday on Sunday, so I _________ him a postcard.

A) sent

B) send

C) sended

17) The film was boring. I ________ it.

A) enjoy

B) didn’t enjoyed

C) didn’t enjoy

18) Did you finish your homework? - __________

A) No, I didn’t.

B) Yes, I didn’t.

C) No.

1 год назад

Предмет: Английский язык, автор: Advayder

Complete the questions and ask your friend. Add one more word in each group

1) Have you ever been to __? 2) Have you seen ___? 3) Have you ever eaten ___?
a) the film "Cinderella'' a) an apple pie a) London
b) "The Nutcracker" ballet b) a pudding b) Vladivostok
c)___ c) ___ c) ___

ПОМОГИТЕ ПОЖАЛУЙСТА ДАЮ 25 БАЛЛОВ

1 год назад

Предмет: Қазақ тiлi, автор: ника1845

помогите пожалуйста составиьь на каз.яз. рассказ о школе

1 год назад

Предмет: Математика, автор: оля2026

составь программу вычисления выражения 8217 + 2138*(6906-6841):5-7064 записать эту программу в виде схемы. найти значения выражения

7 лет назад

Предмет: Алгебра, автор: kutenikar

Выразить в градусах величину угла, радианная мера которого равна

7 лет назад