Question

When 2 moles of O2 and 1 moles of He are mixed together, then the ratio of CP/CV for the mixture

Answer 1

gamma=Cp/Cv=(n1Cp1+n2Cp2)/(n1Cv1+n2Cv2) (2*7R/2+1*5R/2)/(2*5R/2+1*3R/2)