For hydrogen gas, h2, tables give values for the parame ters of eqn 7a of a-2728jkmoll, b-3.26x 10 3jk-2 mor and c- 0.50 j k2 mol- calculate the value of the consta pressure heat capacity of hydrogen at 25 °c

27.32 J/k Mole.

Explanation:

The constant pressure heat capacity of hydrogen is given by Shomate equation

C_p= a + b×t + c×t^2

C_p = heat capacity (J/mol*K)

t = temperature (K) / 1000.

Temperature =25°C=298 K

t= 298/1000 =0.298

putting values we get

C_p = 27.28+3.26x10^-3 ×0.298+0.50×(0.298)^2

C_p=27.32 J / K mole

the value of the constant pressure heat capacity of hydrogen at 25 °C=

C_p=27.32 J / K mole

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