Equations
Average kinetic energy of a gas molecule
Thermodynamics · id molecular_kinetic_energy
\bar{K} = \frac{3}{2} k_B T
| Symbol | Quantity | Unit | Meaning | Usual range |
|---|---|---|---|---|
KE | average kinetic energy | J | Mean translational kinetic energy per molecule | 1e-24 to 1e-17 |
kB | Boltzmann constant | J/K | Boltzmann's constant | |
T | temperature | K | Absolute temperature of the gas | 1 to 1e+06 |
Assumptions
- Ideal gas
Valid when
- No extra conditions.
Found by
Questions with these words retrieve this equation: kinetic theory, molecule, gas, temperature, average kinetic energy, boltzmann.
Source
OpenStax University Physics Volume 2, Chapter 2 (reference; entry written by the project). License: MIT. Entry confidence: 0.99.