Physical Chemistry Real gases virial equation of state PVm=RT[+B(T)P+C(T)P2+D'(T)P+1(8.5 A more convenient expansion is(in many applications B C PIm=rt1+2+g+ PV=RT first second third coefficients The virial equation is an example of a common procedure in physical chemistry, in which a simple law is treated as the first term in a series in powers of a variable(por ym)virial equation of state [1 '( ) '( ) '( ) ] PVm = RT + B T P +C T P 2 + D T P 3 + (8.5)         = 1+ + 2 + m m m V C V B PV RT A more convenient expansion is (in many applications) PVm = RT first second third coefficients The virial equation is an example of a common procedure in physical chemistry, in which a simple law is treated as the first term in a series in powers of a variable (P or Vm). Physical Chemistry Real Gases