Предмет: Химия, автор: kazbekova

Межклассовый изомер пентадиена-1,2 (1,2-пентадиена)-это
Пентадиен - 1,4 (1,4-пентадиен)
Пентен -1 (1-пентен)
Педгадиен - 1,3 (1,3-пентадиен)
Пентен -2 (2-пентен)
Пентин- 1 (1-пентин)

Ответы

Автор ответа: svin99
1
Пентин- 1 (1-пентин)
(алкины изомерны диенам)
..................
kazbekova: спасибо
Предыдущий вопрос
Следующий вопрос
Похожие вопросы
Предмет: Русский язык, автор: IgorVaks
Подчеркните все члены предложений расставьте недостающие знаки препинания
1 год назад
Предмет: Русский язык, автор: galinavelik
повествовательные предложения Преобразуйте в вопросительные и на старой липе остались еще разноцветные листья. сквозь облака солнце пробивает путь. ночью было похолодание. утро тёплое.
1 год назад
Предмет: Русский язык, автор: Каринусичек
Помогите пожалуйста срочно!!!
Спишите предложения, в которых есть слова с орфограммой "Употребление ь для обозначения мягкости согласных". Объясните выбор остальных орфограмм. Прочитайте выделенные в тексте слова.
1 год назад
Предмет: Английский язык, автор: lalaka777
Продолжение:
7. What game Susan (to like) to play?
8. How well she (to play) table tennis.
9. Where Susan and her sons (to go) every weekend?
10. How often they (to eat) in s restaurant?
11. How (to ski) in the mountains in winter?
12. What game Susan’s husband (to play) every evening?
13. With whom he (to play) every evening.
14. What their children usually (to do) in the evening?
15. Who Susan often ( to visit)?
7 лет назад
Предмет: Английский язык, автор: Nasmile
1. There is а . . . teachers at the school.
A. short
B. short of
C. shortage
D. shortage of

2. The prices here are ... at a discount store.
A. high than
B. higher than
С higher than those
D. higher of those

3. To judge people, you should . . . listen to what they say but observe
what they do.
A. not only
B. not
С no
D. neither
4. This is a useful book . . . the topic.
A. for to research
B. by research
С for researching
D. to researching
5. If at first you don't…, try again.
A. accomplish
B. prosper
С succeed
D. triumph
6. ... a student abroad, I was very homesick.
A. While
B. When
С It was when
D. It while was
7. I will call you back as soon as my dinner. . . .
A. will finished
B. will be finished
С finished
D. is finished
8. Whoever phoned did not leave . . . name.
A. his
B. her
С their
D. one's
9. ... a waitress, Gloria has been promoted to hostess.
A. It was once
B. Once it was
С. That once
D. Once
10. Kevin ... to go into business with his father.
A. he plans
B. planning
С plans
D. that plans
11. Flying is not only faster but also . . . than travelling by car.
A. safe
B. safest
С it is safer
D. safer
12. Mary ... to her hometown after she graduated from university.
A. returned
B returns
С returned back
D. returned backward
13. The management made us . . . doing it for next week.
A. put away
B. put off
С put out
D. put up
14. Professor Rogers wouldn't...us use dictionaries during the test.
A. let
B. lets
С leave
D. left
15.You should operate with .. . the rules and regulations.
A. regard
B. regard of
С regard to
D. regard for
16. In the past, energy sources were thought to be boundless.
A. without limits
B. expensive
C. inexpensive
D. natural
17. Keep two pencils handy while taking the examination.
A. extra
B. secret
C. near
D. sharp
18. Owners should be confident that their insurance will replace all of their merchandise.
A. Tutors
B. Proprietors
С Lenders
D. Debtors
19. The report specified seven areas where the Government had a responsibility.
A. confused
B. designed
С developed
D. separated
20. The Government rejected the Opposition's request to debate unemployment.
A. compromise
B. manuscript
С. petition
D. budget.
7 лет назад