Question

For ideal gases, the heat capacity relation is

(a) Cp = Cv – R

(b) Cv = Cp + R

(c) Cp – Cv = R

(d) None of the mentioned

This question was addressed to me in unit test.

The question is from Enthalpy in division Energy Balances of Chemical Process Calculation

Answer 1

Right option is (c) Cp – Cv = R

Easiest explanation: Cp – Cv = R.