Question: For a given reaction, the rate constant become half when the temperature is decreased from 45.0C to 17.0C. What is the activation energy for this

For a given reaction, the rate constant become half when the temperature is decreased from 45.0C to 17.0C. What is the activation energy for this reaction? (R=8.31J/Kmol) 22.6kJ/mol 65.4kJ/mol 18.6kJ/mol 18600kJ/mol 0.676kJ/mol

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