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The difference in the two molar specific...

The difference in the two molar specific heat capacities of a gas is 2 calories. Calculate the mechaical equivalent of heat assuming that the molar volume of a gas a NTP is `0.0244m^(3)`. `(g=9.81ms^(-2)` and density of mercury `=13.6xx10^(3)kgm^(-3)`)

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The correct Answer is:
`4.16Jcal^(-1)`
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