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]

Question

Prashant Kotian · Accepted Answer

Correct answer: C. 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

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