Question

At what temperature will the total KE of 0.3 Mol of He be same as the total KE of 0.4 Mol of AR at 400 K?

Answer 1

Answer:

533.33k

Explanation:

kE=3/2nRT

let temperature of he be T

kE of o.3 mole of he at To=kE of0.4mole of AR at 400k

3/2×0.3×R×T=3/2×0.4×R×400

T=533.33k