Предмет: Химия, автор: atu1997

как из C2H2(OH)2 получить C2H2

Ответы

Автор ответа: annabullk

0

воды добавить, тогда ОН свяжется с ней и уйдет из состава

Предыдущий вопрос

Следующий вопрос

Похожие вопросы

Предмет: Русский язык, автор: Pythooor

До чего красив осенний лес!

Разбор по членам предложения и по частям речи.

2 года назад

Предмет: Английский язык, автор: ДЖЕЙСОН228

ПОМОГИТЕ !!!!!!!!!!!!!!!!!!!!!!!!!!!

2 года назад

Предмет: Английский язык, автор: Аноним

Помогите перевести текст

Bryansk is a regional city situated in the heart of central Russia on the Desna river. Its history began in the year 985. The city is more than once stood as a barrier on the way of foreign invaders and Tatar-Mongol raids. The emblem of Bryansk is decorated with a gun and cannon-balls. tThe anthem of the city is "Bryansk Forest Rustled Sternly". Bryansk is a city of " pattisan fame". During the Great Patriotic War Bryansk was the chief centre of the Partisan movement. Bryansk was liberated from German occupants on the 17^th of September 1943. in the post war years Bryansk was completely rebuilt and restored. The population of the city is about 500.000 people. Most of the peopal are the Russians.
Bryansk consists of four districts: Sivetsky, Bezhizky, Fokinsky and Volodarsky. Bryansk is one of the greatest industrial centers of Russia. The main industrial enterprises are: Engineering Works, Bryansk Automobile Plant. Joint Store Companies ( Cremny) , (Arsenal) , and (lity).
Due to its geographical position (at the border line between Russia, Beloryssia, Ukraine) Brynsk is a convenient place for doing business. Bryansk is famous for its railway terminal (7 directions).
Bryansk is an educational centre. It has 70 secondary schools, four universitues, many colleges and professional schools.
Bryansk is rather attractive. The city has a lot of places to visit: the Drama theatre, the Puppet theatre, the Circus, the Concert Complex (Druzhba), the Hill of immortality, Partisan Square, Karl Marks Square, and Lenin Avenue. Alexei Tolstoy Park and the central park (Solovie) are the best places for recreation. Pokrovskaya Gora with its beautiful churches is the most interesting sight of Bryansk. There are many museums, hotels, libraries, monuments in the city.

2 года назад

Предмет: Химия, автор: kimkim97

рассчитать массу оксида кальция образовавшегося при разложении 1 кг карбоната кальция

8 лет назад

Предмет: Химия, автор: awera454946

найти массу соли образов в результате взаимод соляной кислотой с 37,3 г щелочи натрия

8 лет назад