The specific heat of air at constant pre...

The specific heat of air at constant pressure is `1.005 kJ//kg//K` and the specific heat of air at constant volume is `0.718 kJ//kg//K` . If the universal gas constant is `8.314 kJ//k` mole `K` find the molecular weight of air ?

A

`28.97`

B

`24.6`

C

`22.8`

D

`19.6`

Text Solution

Verified by Experts

The correct Answer is:

A

`c_(p)-c_(v)=(R)/(M)impliesM=(R)/(c_(p)-c_(v))`

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