Based on this Arrhenius plot, what is the activation energy of the reaction? (R = 8.314 J/K •mol) The following is an Arrhenius plot of a first-order reaction. The rate constant is measured in units of s–1. 42 kJ/mol  4.0 kJ/mol 50 kJ/mol 40 kJ/mol 5.0 kJ/mol

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