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Two moles of a diatomic ideal gas is expanded isothermally to twice its original volume. If temperature of the gas is $27^{o} C$ and $R = 8.3 \frac{Joule}{K-mol}$ , the heat supplied to the gas is Given $l_{n 2} = 0.693$

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14.72 J

18.62 J

11.5 J

8.75 J

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detailed solution

Correct option is C

Q=ΔU+W=0+nRT lnV2V1=2×8.3×300 ln2 J⇒Q=2×8.3×0.693 J=11.5 J

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Two moles of a diatomic ideal gas is expanded isothermally to twice its original volume. If temperature of the gas is 27oC and R=8.3 JouleK-mol, the heat supplied to the gas is Given ln2=0.693

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Two moles of a diatomic ideal gas is expanded isothermally to twice its original volume. If temperature of the gas is $27^{o} C$ and $R = 8.3 \frac{Joule}{K-mol}$ , the heat supplied to the gas is Given $l_{n 2} = 0.693$