Chemistry · 2022
JEE Main · 27 July 2022, Shift 1 · Q84
The molar heat capacity for an ideal gas at constant pressure is 20.785 J K^-1 mol^-1. The change in internal energy is 5000 J upon heating it from…
The molar heat capacity for an ideal gas at constant pressure is $\displaystyle 20.785 \mathrm{~J} \mathrm{~K}^{-1} \mathrm{~mol}^{-1}$. The change in internal energy is $\displaystyle 5000$ J upon heating it from $\displaystyle 300$ K to $\displaystyle 500$ K . The number of moles of the gas at constant volume is \_\_\_\_. [Nearest integer] (Given: $\displaystyle \mathrm{R}=8.314 \mathrm{~J} \mathrm{~K}^{-1} \mathrm{~mol}^{-1}$ )
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JEE Main 2022 Chemistry question, with the answer from NTA’s final answer key. Where our answers come from.