What is the average translational kinetic energy of nitrogen molecules at 1500 K, in the following units?

(a) J
(b) eV

I already provided the formula for average KE in Joules, in an answer to a separate question of yours.

average KE = (3/2) k T

1 eV = 1.602*10^-19 Joules

Note that M (molecular mass) does not matter.

Great! Thanks a lot for the help.

You're welcome! I'm glad I could help. If you have any more questions, feel free to ask.