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Find the molar mass and the number of de...

Find the molar mass and the number of degrees of freedom of a gas if its heat capacities are as `c_(v)=650Jkg^(-1)K^(-1)` and `c_(p)=910J kg^(-1)K`.

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The correct Answer is:
`r=2/((c_(p))/(c_(v))-1))=5`
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