Posted by **birju** on Friday, May 10, 2013 at 10:15pm.

Temperature of a diatomic gas is 300k. If the moment of inertia of its molecules is 8.28*10^-38 gm-cm^2. Calculate their root mean square angular velocity.

- Physics -
**birju - HELP PLEASE!!!!!!!**, Friday, May 10, 2013 at 11:23pm
Please give the complete solution

- Physics -
**Elena**, Saturday, May 11, 2013 at 3:54am
I=8.28•10⁻³⁸ g•cm²=8.28•10⁻⁴⁵kg•m²,

I=2mr²/3 =>

radius of diatomic molecule

r=sqrt{3•I/2m}

Root mean square speed v =sqrt{3kT/m}.

v = ωr.

Angular root mean square speed

ω=v/r= =sqrt{2kT/I} =

=sqrt{2•1.38•10⁻²³•300/8.28•10⁻⁴⁵}=

=1•10¹² rad/s

- Physics -
**birju - HELP PLEASE!!!!!!!**, Monday, May 13, 2013 at 9:14pm
Thanks, Elena...

## Answer this Question

## Related Questions

- physics....properties of matter....ASAP.pls - Helium gas occupies a volume of 0....
- physics - (a) Calculate the angular momentum of an ice skater spinning at 6.00 ...
- Physics - . (a) Calculate the angular momentum of an ice skater spinning at 6.00...
- Thermodynamics - A sample consisting of 2,0 moles of diatomic perfect gas ...
- Thermodynamics - A sample consisting of 2 moles of diatomic perfect gas ...
- physics - distinguish between Root mean square velocity, Most probable velocity...
- Physics - An ice skater with an initial moment of inertia of 1.44 kg*m^2 is ...
- physics - A diver in midair has an angular velocity of 6.0 rad/s and a moment of...
- Chemistry (Gas question) - The mean kinetic energy of the molecules in a sample ...
- chemistry - calculate r.m.s velocity of he molecule at 300k.also calculate the ...

More Related Questions