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Консультация № 195787
01.06.2019, 23:00
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Здравствуйте, уважаемые эксперты! Прошу вас ответить на следующий вопрос: Один моль кислорода (m=32 г/моль) находится в сосуде под давлением. При неизменной температуре длина свободного пробега увеличилась в 3 раза, а давление стало . Считая эффективный диаметр молекул неизменным, найти: P2/P1
Обсуждение
04.06.2019, 09:35
общий
это ответ
Здравствуйте, syndicate71rus!
Как указано на странице 237 [1], средняя длина <[$955$]> свободного пробега обратно пропорциональна давлению p газа (при T=const): p1<[$955$]1>=p2<[$955$]2>. Поэтому p2/p1=<[$955$]1>/<[$955$]2>=<[$955$]1>/(3<[$955$]1>)=1/3.
Литература
1. Яворский Б. М., Детлаф А. А., Лебедев А. К. Справочник по физике для инженеров и студентов вузов. -- М.: ООО "Издательство Оникс", 2007. -- 1056 с.
Как указано на странице 237 [1], средняя длина <[$955$]> свободного пробега обратно пропорциональна давлению p газа (при T=const): p1<[$955$]1>=p2<[$955$]2>. Поэтому p2/p1=<[$955$]1>/<[$955$]2>=<[$955$]1>/(3<[$955$]1>)=1/3.
Литература
1. Яворский Б. М., Детлаф А. А., Лебедев А. К. Справочник по физике для инженеров и студентов вузов. -- М.: ООО "Издательство Оникс", 2007. -- 1056 с.
5
Об авторе:
Facta loquuntur.
Facta loquuntur.
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