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Collision theory

chemistry.hull.ac.uk/lectures/jjb/Kinetics9Web.ppt

Looking at the equation for the collision of two different molecules,

what does Na and Nb stand for?

Reply 1

Akkuz

john171

chemistry.hull.ac.uk/lectures/jjb/Kinetics9Web.ppt

Looking at the equation for the collision of two different molecules,

what does Na and Nb stand for?

Na = number of molecules of A
Nb = number of molecules of B

:confused:

Reply 2

john171

Could it be density of molecules?

Reply 3

Akkuz

john171

Could it be density of molecules?

Na/Nb is proportional to Zab which is collision number/density. It says it in the slide show?

Reply 4

john171

Akkuz

Na/Nb is proportional to Zab which is collision number/density. It says it in the slide show?

Does this question make any sense to you?

i) The collision diameters of NO and Cl2 are 370 x 10-12 m and
540 x 10-12 m, respectively. Taking the relative molecular masses as 30 amu and 70 amu, use the hard-sphere collision theory to estimate the rate constant at 300 K for the gas-phase reaction:
NO + Cl2 → NOCl + Cl
Express k in dm3 mol-1 s-1 indicating clearly any other assumptions made (1 amu = 1.66 x 10-27 kg).