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Potassium Thiocyanate in aqueous solution, At 23.89 degree C, rate law constant 0.437M^-2min^-1. Lab mates found...

Potassium Thiocyanate in aqueous solution, At 23.89 degree C, rate law constant 0.437M^-2min^-1. Lab mates found that at 15.55deg C the rate law constant was 0.0507M^-2min^-1 R=8.314 J/mol*K What is the activation energy for this?

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