Предмет: Химия, автор: leftariondiscord

Визначте, який об'єм (за н. у.) займає етен (С,На) кількістю речовини 2,5 моль.​

Приложения:

Ответы

Автор ответа: dyexfnf
1

Ответ:

Объяснение:

V(C2H4) = n(C2H4) * Vm = 2,5 * 22,4 = 56 л

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Many years ago in Haarlem, Holland, there lived a young boy. His name
was Hans Brinker and he was eight years old. One autumn day, Hans went
across the canal to visit an old blind man. He took the man some biscuits
and stayed there for a while. Then, Hans decided to return home,a
"Be careful, Hans," said the old man. "The water in the canal usually
gets higher in autumn." On his way home, Hans sang a song, watched the
rabbits run around and picked some flowers for his mother. Suddenly, the
sky got dark and heavy rain began to fall. Hans felt scared and started to
run. Just then, he heard the sound of water flowing away. He looked around
carefully, then noticed a very small hole in the dike.
Felthans felt frightened because he knew what could happen. The small
hole could get bigger and bigger. Then, the dike could burst and flood
Holland! Hans knew what to do. He put his finger in the hole, so no more
water could come through it. "Please, someone help me!" Hans shouted.
But there was no one there to help him. After a while, he began to feel very
cold and tired, but he could not leave the dike. All night long, Hans waited
and waited ...
khaug
The next morning, a priest walked by and heard Hans' cries. I'm trying
to stop the water," the boy said. “Can you help me?" The priest called some
other people and they quickly mended the hole. Finally, they took Hans
home. Everyone was very proud of that brave little boy!​
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