Question

What is the unit of gas constant (R) ?

Answer 1

Ideal gas equation
$PV=nRT$
$\Rightarrow R=\frac{PV}{nT}$
$\therefore$ Unit of $R=\frac{N{m}^{-2}{m}^2}{molK}=\frac{Nm}{molK}=Jmo{l}^{-1}{K}^{-1}$