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The activation energy of a certain reaction is 45.4kJ/mol. At 28 degrees celcius, the rate constant is 0.0150s^?1. At what temperature in degrees Celsius would this reaction go twice as fast?

Given that the initial rate constant is 0.0150s ?1 at an initial temperature of 28 ? C , what would the rate constant be at a temperature of 140 ? C for the same reaction described in Part A?

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