Thermal speed

1. May 6, 2014

negation

VTh= sqrt[(3RT)/M] where M is the molar mass

How do we determine which R constant to use?

2. May 6, 2014

nasu

What do you mean? Do you suppose there is more than one?

Last edited: May 6, 2014
3. May 6, 2014

negation

Isn't the boltzman constant and the ideal gas constant?

4. May 6, 2014

Staff: Mentor

Which constant has the proper units to fit into the equation?

5. May 6, 2014

dauto

Who uses R for the Boltzmann constant?