Figure below shows two paths that may be taken by a gas to go from a state A to a state C :

In process AB, 400 J of heat is added to the system and in process BC, 100 J of heat is added to the system. The heat absorbed by the system in the process AC will be :

Question

Figure below shows two paths that may be taken by a gas to go from a state A to a state C :

In process AB, 400 J of heat is added to the system and in process BC, 100 J of heat is added to the system. The heat absorbed by the system in the process AC will be :

Infinity Learn · Accepted Answer

In cyclic process ABCA,         ∆Ucyclic $$=0$$      $$Qcyclic=Wcyclic$$  $$QAB+QBC+QCA=closed$$ loop area $$400+100+QCA=12$$×$$2$$×$$10-3$$×$$4$$×$$104$$ $$400+100-QAC=40$$                      $$QAC=460$$ J

Figure below shows two paths that may be taken by a gas to go from a state A to a state C :

In process AB, 400 J of heat is added to the system and in process BC, 100 J of heat is added to the system. The heat absorbed by the system in the process AC will be :

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