Work required for compression of a gas contained in a cylinder is 7000 – McqOptions

MCQOPTIONS

1.	Work required for compression of a gas contained in a cylinder is 7000 kJ. During compression, heat interaction of 3000 kJ causes the surroundings to be heated. Internal energy change of the gas during the compression is __________ kJ.
A.	+4000
B.	-4000
C.	10000
D.	- 10000
Answer» B. -4000

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