The rate constant for a certainchemical reaction is 80.0 s -1 at a temperature o

Question

The rate constant for a certainchemical reaction is 80.0 s-1 at a temperature of20.0°C. If the activation energy for this reaction is 52.kJ/mole, what is the rate constant at a temperature of30.0°C? Please help, this is my lastchemistry problem left in my life The rate constant for a certainchemical reaction is 80.0 s-1 at a temperature of20.0°C. If the activation energy for this reaction is 52.kJ/mole, what is the rate constant at a temperature of30.0°C? Please help, this is my lastchemistry problem left in my life

Explanation / Answer

We Know that :     According to Arrheneius Equation :      log K2 / K1 = Ea / 2.303R ( 1 / T1 - 1 / T2 )      log K2 / 80.0 = 52 x 103 J / mol / 2.303 x 8.314 J / mol - K   ( 1 / 293 - 1 / 303 ) K        K2   = 161.8068 s-1

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