Question

Consider a mixture of n moles of helium gas and 2 n moles of oxygen gas (molecules taken to be rigid) as an ideal gas. Its C_P/C_V value will be :

(1) 67/45

(2) 19/13

(3) 23/15

(4) 40/27 

Answer 1

Answer is (2) 19/13

Answer 2

Answer is (2) 19/13