Physics · 2020
JEE Main · 4 September 2020, Shift 1 · Q23
A closed vessel contains 0.1 mole of a monatomic ideal gas at 200 K. If 0.05 mole of the same gas at 400 K is added to it, the final equilibrium…
A closed vessel contains $\displaystyle 0.1$ mole of a monatomic ideal gas at $\displaystyle 200$ K . If $\displaystyle 0.05$ mole of the same gas at $\displaystyle 400$ K is added to it, the final equilibrium temperature (in K) of the gas in the vessel will be close to
\_\_\_\_.
Official answer
266.5 ± 0.5
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JEE Main 2020 Physics question, with the answer from NTA’s final answer key. Where our answers come from.