The temperature of 5 mol of a gas which was held at constant volume was Changed from 1000C to 1200C. The change in internal energy was found to be 80J The total heat capacity of the gas at constant volume will be equal to
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a
8JK−1
b
4JK−1
c
0.4JK−1
d
0.8JK−1
answer is B.
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Detailed Solution
At constant volume the total energy will be utilized in increasing the temperature of gasi.e., ΔQ=μCVΔTμCV=ΔQΔT=8020=4J/k