Question

The average kE of an ideal gas , per molecule in S.I units, at 25°C will be

Answer 1

Answer:

6.17 × 10^-21 J/ molecule

Explanation:

average KE = 3/2kT = 3/2× R×T/N

KE = 3/2 × 8.313 J /mol /K ×298K/ 6.023×10²³

KE= 6.17 × 10^-21 J/ molecule

i hope it help's you.