2 An ideal gas in a thermally insulated vessel at internal

Last updated: 7/4/2023

2 An ideal gas in a thermally insulated vessel at internal pressure P volume V and absolute temperature T expands irreversibly against zero external pressure as shown in the diagram The final internal pressure volume and absolute temperature of gas are P2 V and T2 respectively For this expansion Pext 0 P V T Irreversible Thermal insulation Pext 0 P2 V2 T2