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xeniaverner
19.10.2020 12:02
Физика
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Найдите массу 20 л углекислого газа при температуре 17с и давления 2*10^5па

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Ольгаok
Ольгаok
4,4(46 оценок)
Дано v=20*10^-3 м3     t=290 к     p=2*10^5 па     м=44*10^-3 кг/моль m- ? p*v=m*r*t/m m=p*v*m/r*t=2*10^5*2*10^-2*44*10^-3/8,31*290=0.07 кг
Аминочка8
Аминочка8
4,8(19 оценок)

pererіau 2.8 mm

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