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Two moles of a monoatomic gas are in a r...

Two moles of a monoatomic gas are in a rubber balloon at `30^@ C` . The balloon is fully expandable and can be assumed to require no energy in its expansion. The temperature of the gas in the balloon is slowly changed to `35^@ C` The amount of heat required in raising the temperature is nearly : (Take R = 8.31 J/mol. K)

A

62 J

B

140 J

C

124 J

D

208 J

Text Solution

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The correct Answer is:
D
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