Physical Chemistry Real gases Estimate a molar volume Answer RT r2 arab 2+ P RT(8.206×102 Latmk mol)×(500K) 0.410Lmol 100a RT 6+ =0.453Lmol1 3.59×10-2(Lmol) 1.53×10-°(/mol) Must solve Vn3-0.453V2+(359×102) (1.53×103)=0Estimate a molar volume Answer. 1 2 1 1 0.410 100 (8.206 10 ) (500 ) − − − − =   = Lmol atm LatmK mol K P RT 0 3 2  − =       +      − + P ab V P a V P RT Vm b m m 1 0.453 − + = Lmol P RT b 2 1 2 3.59 10 ( ) − − =  Lmol P a 3 1 3 1.53 10 ( ) − − =  Lmol P ab 0.453 (3.59 10 ) (1.53 10 ) 0 3 2 2 3 − +  −  = − − Vm Vm Vm Must solve Physical Chemistry Real Gases