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При заполнении баллона газом до давления 1000 кПа температура газа повысилась до 47С . Найти в
кПа давление газа после охлаждения баллона до 7С
Ответы 1
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Объём не изменяется. Из уравнения Менделеева-Клапейрона находим, что p1/t1 = p2/t2 Отсюда p2 = p1*t2/t1 = 1000 кПа *280К/320К = 875кПаОтвет: 875 кПа
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Автор:
zayneraymond - 5 лет назад
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________________ rooms has your brother?
Выберите один ответ.
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Question 2
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Question 3
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Question 4
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snow
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Question 5
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Question 6
Баллов: 1
I ________________ walk, there is a bus going there.
Выберите один ответ.
needn't
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mustn't
can't
Question 7
Баллов: 1
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hearing
listening to
listening
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Question 8
Баллов: 1
It _______________ five years since we last went on holiday.
Выберите один ответ.
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Question 9
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Question 10
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Выберите один ответ.
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Question 11
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do
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Question 12
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fulfils
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Question 13
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Question 14
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Question 15
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Question 16
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Выберите один ответ.
sold
sell
have sold
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Question 17
Баллов: 1
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Выберите один ответ.
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Question 18
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Question 19
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this
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Question 20
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have
must
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Question 21
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may
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Question 22
Баллов: 1
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are finished
will finish
finishes
finish
Question 23
Баллов: 1
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can
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Question 24
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Question 25
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Выберите один ответ.
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Question 26
Баллов: 1
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Question 27
Баллов: 1
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may
can
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Question 28
Баллов: 1
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Question 29
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Question 30
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Question 31
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him
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him
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to go
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Question 34
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spend
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spending
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Question 35
Баллов: 1
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cooked
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Question 36
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is
ought
must
has
Question 37
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I ________________ you for five years.
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didn't see
haven't seen
doesn't see
don't see
Question 38
Баллов: 1
I know that the news ________________ so amazing that you can’t believe it.
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is
have been
were
are
Question 39
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By the time we got to the party, most of the guests________________ .
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Ответов:
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