Science & Environment
Arrhenius Equation Activation Energy Calculator
Calculate the rate constant or activation energy of a reaction using the Arrhenius equation.
Your inputs
Change any value to update the result instantly.
Rate constant k
0.7132 1/s
Activation energy
75 kJ/mol
Temperature
298 K
Exponent term
-30.2716
Formula and working
k = A·e^(−Ea / (R·T))
- 1
Collect the inputs
Pre-exponential factor A = 10,000,000,000,000 1/s; Activation energy Ea = 75 kJ/mol; Temperature = 298 K
- 2
Apply the formula
k = A·e^(−Ea / (R·T))
- 3
Result
Rate constant k = 0.7132 1/s
Frequently asked questions
Important limitation
This is an educational estimate based only on the values and formula shown. Verify current rates, rules, units, and professional standards before relying on the result. It is not personalized financial or investment advice.
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