At what temperature do hydrogen molecules have the same rms speed as nitrogen molecules at 90 degree C?

Answer 1

1/2 mv^2=1/2 MV^2

M nitrogen is 28, mass Hydrogen= 2

vrms hydrogen = sqrt (28/2) Vrms Nitrogen

Answer 2

At what temperature do hydrogen molecules have the same rms speed as nitrogen molecules at 90 degrees Celsius?