Ncert Exercises & Solutions

The difference between C_p and C_v can be derived using the empirical relation H=U+pV. Calculate the difference between C_p and C_v for 10 moles of an ideal gas.

Given that, C_v=heat capacity at constant volume,

C_p=heat capacity at constant pressure

Difference between C_p and C_v is equal to gas constant (R).

∴ C_{p} - C_{v} = nR (where, n = no . of moles)

= 10 \times 4.184 J

= 41.84 J

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