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2 kg of air is heated at constant volume...

2 kg of air is heated at constant volume. The temperature of air is increased from 293 K to 313K. If the specific heat of air at constant volume is `0.718 k. j//kg K`, find the amount of heat absorbed in kj and kcal (`J=4.2 KJ// Kcal)`

A

6.838 kJ

B

7.8 kJ

C

14.68 kJ

D

28.72 kJ

Text Solution

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The correct Answer is:
D
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