Activation Energy Calculator

Activation Energy (Ea) = RT ln(KA )

Universal Gas Constant(R) = 8.31447215 JK1mol1

Temperature (T) = K

Rate Constant (K) = mol/sec

Frequency Factor (A) = sec1

Activation Energy (Ea) = J/mol


Activation Energy Calculator is a free online tool that displays the activation energy which is required for the atoms to undergo the chemical reaction. BYJU’S online activation energy calculator tool makes the calculation faster, and also it displays the activation energy in a fraction of seconds.

How to Use the Activation Energy Calculator? 

The procedure to use the activation energy calculator is as follows:

Step 1: Enter the temperature, frequency factor, rate constant in the input field

Step 2: Now click the button “Calculate Activation Energy” to get the result

Step 3: Finally, the activation energy required for the atoms or molecules will be displayed in the output field

What is Meant by Activation Energy?

In Chemistry, activation energy is defined as the least amount of energy which is required to stimulate the atoms or molecules to undergo the chemical reaction. Generally, all the chemical reactions require activation energy, so that the reactants can move together and start breaking the bonds. The activation energy is represented by Ea. It does not depend on the pressure, temperature, volume, coefficient of the reactant, or the concentration of the solution.


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