Question

Where does the relation $u=h_f-RT+(c_p-R)(T-T_0)$ come from?

Answer 1

u=hf−RT+(cp−R)(T−T0)u=hf−RT+(cp−R)(T−T0)

where uu is the specific internal energy, hfhf is the enthalpy of formation per unit mol, cpcp is the constant pressure specific heat, TT is the temperature, T0T0 is the room temperature and RR is the gas constant.

Answer 2

u=hf−RT+(cp−R)(T−T0)u=hf−RT+(cp−R)(T−T0)

Where u is the specific internal energy, hf is the enthalpy of formation per unit mol, cp is the constant pressure specific heat, T is the temperature, T0 is the room temperature and R is the gas constant.


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