In a thermodynamics process, pressure of a fixed mass of a gas is chan – McqOptions

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1.	In a thermodynamics process, pressure of a fixed mass of a gas is changed in such a manner that the gas releases 20 J of heat and 8J of work is done on the gas. If the initial internal energy of the gas was 30J. The final internal energy will be [DPMT 2002]
A.	18J
B.	9J
C.	4.5J
D.	36J
Answer» B. 9J

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