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What is Mayer's relation?...

What is Mayer's relation?

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The difference in molar heat capacity values for a gas ut constant pressure `(C_(p))` and at constant volume`(C_(v))` is called Mayer.s relation
`C_(p)-C_(v)=R=` Molar gas consant.
For a monoatomic gas like helium,`c_(p)=5R/2" and "C_(v)=3R/2`
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