JEE Main 2022 Physics question
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 .
Answer: (3)
Solution
The number of moles is n = 14/28 = 0.5 mol and T = 300 K. To double the temperature must become 4T = 1200 K, so
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