Предмет: Химия, автор: GirlWithEyesOfChild

ПОМОГИТЕ ПОЖАЛУЙСТА С ХИМИЕЙ
1. Почему температура кипения спиртов намного выше, чем соответствующих углеводородов?
2. Осуществить превращения: метан – этан – этен – этанол – углекислый газ
3. Дописать уравнения и назвать вещества.
1. СН 3 – CHCl - СН 2 - СН 3 + КОН(водн)
2. СН 3 – CHCl - СН 2 - СН 3 + КОН(спирт)
3. Написать структурные формулы следующих соединений: 2-метилпентанол-1; 2,3-диметилбутанол-2; 2-метилпентен-1-ол-3.
4. Назвать вещество и написать два его гомолога и два изомера(см.фото)

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Ответы

Автор ответа: Katufa10
1

Надеюсь фото прикрепиться

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GirlWithEyesOfChild: Благодарю тебя, о гений химии!!!
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Предмет: Английский язык, автор: nikkonkoneff33
быстрее паже Christopher Columbus was born in the seaport town of Genoa in Italy, about the year 1446. When he was only ten years old, he went to a famous school near Genoa and studied arithmetic and geography.
He was fourteen years old when he first sailed to the East. After that time he made many voyages before he could buy three small ships and sail across the Atlantic Ocean. He wanted to reach India and at the same time to that the earth is round. He wanted to discover a new shorter way to the East. He was on the Ocean for ten weeks and saw land. The land was America.
Christopher Columbus continued his trip but he always thought that the land he had discovered was the East India and he died never knowing that he had discovered a new continent.
I. Переведите на английский язык:
1.морской порт 2.знаменитая школа 3.поплыл на восток 4. достичь 5. земля
6. открыть 7. всегда думал 8. новый материк
II. Закончите предложения:
1. The text is about…
a) C. Columbus’s voyage to Spain b) C. Columbus and his discovery c) the discovery of India
2. C. Columbus was born in…
a) Spain b) India c) Italy
3. C. Columbus studied … at a famous school.
a) arithmetic and geography b) arithmetic and geometry c) history and geography
4. He was … years old when he first sailed to the East
a) thirteen b) ten c) fourteen
5. He wanted to reach …
a) Spain b) India c) Italy
6. He wanted to discover …
a) America b) a new longer way to the East c) a new shorter way to the East
7. He was on the Ocean … and saw land.
a) thirteen weeks b) ten weeks c) fourteen weeks
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