Ответ Автор - o2784913 A=p(V2-V1)pV1=νRT1pV2=νRT2p=constV1V2=T1T2V1/T1=V2/T2V2=V1T2/T1A=p(V1T2/T1-V1)A=pV1(T2/T1-1)A=100 000(400/300-1)=333 (Дж)