Gaseous StateHard

Question

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

Options

A.533 K
B.400 K
C.346 K
D.300 K

Solution

nRT = nRT
0.3 T = 0.4 × 400
T = 533 K

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