Vapor Pressure Calculator (clausius-clapeyron)

Vapor Pressure Calculator

Vapor Pressure Calculator

Clausius-Clapeyron Equation Solver

ln(P₁/P₂) = (ΔHᵥₐₚ/R) × (1/T₂ – 1/T₁)
Where R = 8.314 J/(mol·K)
How to use: Enter known values with preferred units to calculate ΔHᵥₐₚ or any unknown parameter. Leave the field you want to calculate empty.
Initial Conditions (P₁, T₁)
Final Conditions (P₂, T₂)
Heat of Vaporization