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If for hydrogen C(P) - C(V) = m and for ...

If for hydrogen `C_(P) - C_(V) = m` and for nitrogen `C_(P) - C_(V) = n`, where `C_(P)` and `C_(V)` refer to specific heats per unit mass respectively at constant pressure and constant volume, the relation between `m` and `n` is (molecular weight of hydrogen = 2 and molecular weight or nitrogen = 14)

A

m=14n

B

m=7n

C

m=9n

D

m=16n

Text Solution

Verified by Experts

The correct Answer is:
A
Here, for hydrogen`C_(P)-C_(V)=m=(R )/(2)`
Or R=2m
And for nitrogen, `C_(P)-C_(V)=n=(R )/(28) or R=28n`
`:.2m=28n`
`m=14n`
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