At what temperature will the total KE of 0.3 mo of He be the same as the total KE of 0.40 mol of Ar at 400K?

At what temperature will the total KE of 0.3 mo of He be the same as t

1.	At what temperature will the total KE of 0.3 mo of He be the same as the total KE of 0.40 mol of Ar at 400K?
Answer» 533K 400K 346K 300K Answer :a