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The number of molecules with energy grea...

The number of molecules with energy greater than tha threshold enegy for a reaction increases five fold by a rise of temperature from `27^(@)C` to `42^(@)C`. Its energy of activation in J/mol is ___________. (Take `ln5=1.6094,R=8.314" J mol"^(-1)K^(-1)`)

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The rate of a reaction decreased by 3.555 times when the temperature was changed from 40^(@)C to 30^(@)C . The activation energy (in kj mol^(-1) ) of the reaction is ______. Take : R = 8314 J mol^(-k) K^(-1) In 3.555 = 1268

The rate of a reaction decreased by 3.555 times when the temperature was changed from 40^(@)C to 30^(@)C . The activation energy (in kj mol^(-1) ) of the reaction is ______. Take : R = 8314 J mol^(-k) K^(-1) In 3.555 = 1268

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