JEE Main 2022 Physics question
A cylinder of fixed capacity of 44.8 litres contains helium gas at standard temperature and pressure. The amount of heat needed to raise the temperature of gas in the cylinder by 20.0°C will be - (Given gas constant R = 8.3 )
Answer: (3)
Solution
At STP 44.8 L of gas is 2 mol. The heating is at constant volume, so $Q =
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