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Physical Quantities

The unit of u...

Question

The unit of universal gas constant is

D y m e s / C

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E r g s

c m / m o l e K

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W a t t / K

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J o u l e / m o l e K

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Solution

The correct option is D $J o u l e / m o l e K$
Gas equation,
$P V = n R T$
$R = \frac{P V}{n T}$
$[R] = [\frac{P V}{n T}]$
$[R] = \frac{J o u l e}{m o l e K}$
Option D

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