The temperature of 5mol of a gas which was held at constant volume was changed from 100oCto120oC. The change in internal energy was found to be 80J. The total heat capacity of the gas at constant volume will be equal to
A
8JK−1
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B
0.8JK−1
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C
4JK−1
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D
0.4JK−1
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Solution
The correct option is C4JK−1 Heat capacity is energy given to change the temperature of a substance by 1oC Therefore,8020=4J/K option(C)