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One cubic metre of hydrogen at 0^(@)C an...

One cubic metre of hydrogen at `0^(@)C` and `76cm` and of `Hg` weighs `0.0896kg`. The specific heat capacities of hydrogen at constant pressure volume are 3409 and 2411 cal per kg per kelvin, respectively. Calculate the value of `J`. (`g=9.81,ms^(-2)` density of mercury `=13.6xx10^(3)` kg per cubic metre)

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The correct Answer is:
`4.15Jcal^(-1)`
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