Compute the root-mean-square speed of H2 molecules in a sample of hydrogen gas at a temperature of 94°C. m s-1 ?

1 Answer
Feb 25, 2018

#V_(rms) = 67.6 m/s#

Explanation:

The relevant equation is:
#V_(rms) = (3RT/M)^(1/2)#
Where M = gram molecular weight, T = degrees Kelvin, and R = 8.314 joules per mole-degree Kelvin
#94^oC + 273 = 367^oK# Molecular weight of #H_2= 2#
#V_(rms) = ((3xx8.314xx367)/2)^(1/2)#

#V_(rms) = 67.6 m/s#
https://sciencing.com/calculate-velocity-temperature-6234001.html