When the state of a gas adiabatically changed from an equilibrium stat – McqOptions

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1.	When the state of a gas adiabatically changed from an equilibrium state A to another equilibrium state B an amount of work done on the system is 35 J. If the gas is taken from state A to B via process in which the net heat absorbed by the system is 12 cal, then the net work done by the system is \[\left( 1\text{ }cal=4.19J \right)\]
A.	13.2 J
B.	15.4 J
C.	12.6 J
D.	16.8 J
Answer» C. 12.6 J

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