Question

How do you calculate rms speed of gas?

Answer 1

http://en.wikipedia.org/wiki/Root-mean-square_speed

Answer 2

hope it helps gd luck :)

Answer 3

\[v_\mathrm{rms} = \sqrt {{3RT}\over{M}}\] where M is the molar mass.

or use

\[v_\mathrm{rms} = \sqrt {{3kT}\over{m}}\] where m is the mass of one molecule.

These are only valid for ideal gas.

Answer 4

thnx guys

Answer 5

remember to use SI units!

Answer 6

hey if the tempr is doubled... how will the vrms change?

Answer 7

got it
\[\sqrt{2}vrms\]

Answer 8

Yes, that is correct.