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A vessel contains 14 g of nitrogen gas at a temperature of 27°C. The amount of heat to be transferred to the gas to double the r.m.s speed of its molecules will be ; Take R = 8.32 J mol –1 K –1 .

1. 2229 J
2. 5616 J
3. 9360 J
4. 13, 104 J

Correct answer: 9360 J

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