If Cₚ and Cᵥ denote specific heat of nitrogen at constant pressure and constant volume respectie

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12.Kinetic Theory of Gases

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If $C_p$ and $C_v$ denote the specific heat of nitrogen at constant pressure and constant volume respectiely, then

A

$C_p -C_v = 28/R$

B

$C_p -C_v = R/28$

C

$C_p -C_v = R/14$

D

$C_p -C_v = R$

Solution

According to Mayer's relation,

$c_{p}-c_{v}=\frac{R}{m}$

For nitrogen, $m=28$

$\therefore \quad c_{p}-C_{v}=\frac{R}{28}$

Standard 11

Physics

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