Rate Constant Calculator

Calculate rate constants for chemical reactions using the Arrhenius equation. Input activation energy, temperature, and frequency factor to find rate constants.

Calculator

Activation energy in J/mol

Temperature of the reaction

Pre-exponential factor (collision frequency)

Results

Enter values and click Calculate to see results

About Chemical Kinetics

Chemical kinetics is the study of the rates of chemical reactions and the factors that affect them.

Arrhenius Equation:

k = Ae^(-Ea/RT)

Where:

  • k is the rate constant
  • A is the frequency factor (pre-exponential factor)
  • Ea is the activation energy in J/mol
  • R is the gas constant (8.314 J/(mol·K))
  • T is the temperature in Kelvin

Key Concepts:

  • Activation Energy: Minimum energy required for reactants to form products
  • Frequency Factor: Related to collision frequency and orientation
  • Temperature Dependence: Higher temperatures increase reaction rates

Applications:

  • Industrial chemical processes
  • Catalysis research
  • Environmental chemistry
  • Biochemical reactions
  • Material synthesis