Solution Concentration Calculator Select Concentration Type: Molarity (M) Molality (m) % Mass (w/w) % Volume (v/v) Mole Fraction (X) Parts Per Million (ppm) Parts Per Billion (ppb) Show Theory &
Thermochemistry Calculator Select Calculation Type: Heat Transfer (q = mcΔT) Enthalpy of Reaction (from ΔH°f) Calorimetry (Constant Pressure) Show Theory & Formulas Heat Transfer Parameters Heat (q): JkJ Mass (m):
Gas Laws Calculator Select Gas Law: Combined Gas Law Boyle's Law (P₁V₁ = P₂V₂) Charles's Law (V₁/T₁ = V₂/T₂) Gay-Lussac's Law (P₁/T₁ = P₂/T₂) Ideal Gas Law (PV = nRT)
Stoichiometry Calculator Stoichiometry: Theory & Formulas → Stoichiometry is a section of chemistry that involves using relationships between reactants and/or products in a chemical reaction to determine desired quantitative data.
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
Michaelis-Menten Enzyme Kinetics Calculator Theory & Formulas → Enzyme kinetics is the study of the rates of enzyme-catalyzed chemical reactions. The Michaelis-Menten model is one of the simplest and best-known
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
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
Molecular Weight & Molarity Calculator Molecular Weight Molarity Calculations Molecular Weight (Molar Mass) Chemical Formula (e.g., H2O, C6H12O6, Mg(NO3)2): Molarity Calculations Calculate Molarity (M) Calculate Mass (g) Calculate Volume (L)
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