89.6 Rate Theories of elementary reaction 9.6.2 Calculation of ZaB according to the kinetic theory of gases aRT 8RT 8RT 8RT M+M AB 兀MAMB 丌MM aRT (reduced mass) M0 AB A+M aRT aRT ()学) ILd aRT LABIi i M RT   8 = according to the kinetic theory of gases A B AB A B A B 8 8 8 RT RT RT M M M M M M     + = + =AB 8RT   = A B A B M M M M  = + (reduced mass) 2 2 A B A B B AB 2 2 8 8 8 [A][B] AB A AB RT RT N N Ln Ln Z d d V V V V RT L d               = =                 = 9.6.2 Calculation of ZAB §9.6 Rate Theories of elementary reaction