Consider the equation Cp-Cv = -T*( p/ V)( V/ T)2 , which of the following is correct?

( p/ V) for any substance is negative

Consider the equation Cp-Cv = -T*( p/ V)( V/ T)2 , which of the follow

1.	Consider the equation Cp-Cv = -T*( p/ V)( V/ T)² , which of the following is correct?
A.	( V/ T)<sup>2</sup> is always positive
B.	( p/ V) for any substance is negative
C.	(Cp-Cv) is always positive
D.	all of the mentioned
Answer» E.