1.

A cylinder with fixed capacity of 67.2 lit contains helium gas at STP. The amount of heat needed to raise the temperature of the gas b 20°y C is: [Given that R = 8.31 J mol-1 K-1]

A. 350 J
B. 374 J
C. 748 J
D. 700 J
Answer» D. 700 J


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