Предмет: Физика, автор: Ponchik12356

к некоторому количеству газа подвели 250 дж тепла. газ расширился при постоянном давлении 100 кПа на о,оо1 м3. На сколько джоулей изменилась его внутренняя энергия

Ответы

Автор ответа: evgorlova

5

работа газа А=PΔV=100000*0.001=100Дж
Q=ΔU+A первый закон термодинамики
ΔU=Q-A=250-100=150 Дж увеличилась на 150 Дж

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