RMS Molecular Speed
v = sqrt(3·R·T/M_m)
What it says
The typical speed of a gas molecule, which is why light gases escape atmospheres first.
Symbols
| Symbol | Quantity | Dimension |
|---|---|---|
v | RMS speed (m/s) | L T^-1 |
T | Temperature (K) | Θ |
M_m | Molar mass (kg/mol) | M N^-1 |
Work it out
Enter what you know. No account needed.
Fill in all but one: T, M_m, v are all empty.
Filed under Thermodynamics · derive through it in the explorer