diffusion formula with kt and m
Free calculate diffusion rates using graham's law for gas diffusion, effusion rates, and molecular speed ratios.
Enter Gas Data
g/mol
g/mol
Known diffusion rate for Gas 1
Results
Enter gas data to calculate diffusion rates
Graham's Law of Diffusion
Graham's Law
r₁/r₂ = √(M₂/M₁)
- • r₁, r₂ = Diffusion rates
- • M₁, M₂ = Molar masses
- • Lighter gases diffuse faster
- • Rate ∝ 1/√(molar mass)
- • Applies to effusion and diffusion
Key Concepts
- • Kinetic energy is same for all gases
- • Lighter molecules move faster
- • Used in gas separation
- • Explains gas behavior
- • Independent of pressure