1. Verify the following identities using the fundamental and Maxwell equations. a) (VU)T=T(TP)VP b) (PH)T=VT(TV)P c) (TS)V=TcPV(TP)V Find an expression for the three partial derivastives in 1a1c when the behavior of the fluid is described by the following equation of state P(Vb)=RT where b is a constant