Комната объемом 40 м^3 находится с температурой 0 С, комнату протопили , температура стала

Комната объемом 40 м^3 находится с температурой 0 С, комнату протопили , температура стала +20 С, при этом давление не изменилось и осталось 10^5 Па, найти массу воздуха которая вышла из комнаты
- Предмет:
  Физика
- Автор:
  amethystdwbj
- 5 лет назад

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спасибо)))
- Автор:
  lucinda
- 5 лет назад
- 0
Дано:P=10^5 ПаV=40м^3T1=273KT2=293K M=0,029 кг/мольнайти Δmзакон менделеева-клапейрона PV=(m/M)RTm=PVM/RTΔm=PVM/RT1-PVM/RT2=PVM/R(1/T1-1/T2)=PVM(T2-T1)/RT1T2 ==10^5*40*29 *10^(-3) *20/(8*273*293)=3,63 кг
- Автор:
  asher46
- 5 лет назад
- 0
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