A diatomic ideal gas undergoes a process in which the ratio of P to V^2 at any instant is constant a — AITS & Test Series Chemistry Question
Question
A diatomic ideal gas undergoes a process in which the ratio of P to V^2 at any instant is constant and equals to 1. What is molar heat capacity of gas [excluding vibrational degree of freedom]

💡 Solution & Explanation
dE dq dW dE dV dq dE PdV dq P dT dT dT nCV, m PdV dq dT dT fR PdV dq 1 2 dT dT 5R PdV dq 2 dT dT …. (1) 3 PV RT V RT 2 dV PdV R 3V R dT dT 3 5R R dq 2 3 dT 17R dq 6 dT AITS-FT-III-PCM(Sol.)-JEE(Main)/20 FIITJEE Ltd., FIITJEE House, 29-A, Kalu Sarai, Sarvapriya Vihar, New Delhi -110016, Ph 46106000, 26569493, Fax 26513942 website: www.fiitjee.com 7