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(A) The root mean square (r.m.s.) velocity of gas molecules is given by the formula $v_{rms} = \sqrt{\frac{3RT}{M}}$,where $R$ is the universal gas co

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remains the same.

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(A) The root mean square (r.m.s.) velocity of gas molecules is given by the formula $v_{rms} = \sqrt{\frac{3RT}{M}}$,where $R$ is the universal gas constant,$T$ is the absolute temperature,and $M$ is the molar mass of the gas.In an isothermal process,the temperature $T$ of the gas remains constant.Since $v_{rms}$ depends only on the temperature $T$ (for a given gas),if $T$ is constant,the r.m.s. velocity $v_{rms}$ will also remain constant.Therefore,when a gas is compressed isothermally,the r.m.s. velocity of the molecules remains the same.

If a gas is compressed isothermally,then the r.m.s. velocity of the molecules

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