#1 Free Thermochemistry Calculators 2025

Arrhenius Equation Calculator Calculate Rate Constant (k) Calculate Activation Energy (Ea) Calculate k₂ at T₂ Calculate Pre-exponential Factor (A) Calculate Temperature (T) Calculate Rate Constant (k) Pre-exponential Factor (A): Units

Reaction Rate Calculator (Chemical Kinetics) Chemical Kinetics: Theory & Formulas → Chemical kinetics is the branch of chemistry concerned with understanding the rates of chemical reactions. It explores how different

Nernst Equation Calculator Standard Cell Potential (E°): V Temperature (T): °C K (Kelvin) Number of Electrons Transferred (n): Reaction Quotient (Q) Input Method: Enter Q directly Calculate Q from species

Vapor Pressure Calculator Calculates vapor pressure at a different temperature using the Clausius-Clapeyron equation. Known Vapor Pressure (P₁): atm Pa (Pascal) kPa mmHg (torr) bar Temperature for P₁ (T₁): °C