The number of molecules with energy greater than the threshold energy for a reaction increases five fold by a rise of temperature from 27º C to 42º C. Its energy of activation in J/mol is ………….. (Take

Question

The number of molecules with energy greater than the threshold energy for a reaction increases five fold by a rise of temperature from 27º C to 42º C. Its energy of activation in J/mol is ………….. (Take in 5 = 1.6094; R = 8.314 J mol–1)

Prashant Kotian · Accepted Answer

Correct answer: .. RT Ea Ae k                 1 2 T T R Ea K K ln ln(5) =     315 300 314 . Ea 1.6094 =     315 15 . Ea Ea = 84297J

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