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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 reaction triples when temperature changes form 20^(@)C to 50^(@)C . Calculate the energy of activation for the reaction (R= 8.314JK^(-1)mol^(-1)) .

What is the activation energy for a reaction if its rate doubles when the temperature is raised from 20^(@)C to 35^(@)C ? (R = 8.314 J "mol K"^(-))

The rate of a reaction triples when temperature changes from 50^@ C to 100^@ C. Calculate the energy of activation for such a reaction. ( R = 8.314 JK^(-1) mol^(-1) log 3 = 0.4771 )

The rate of a reaction increases four times when the temperature changes from 300 K to 320 K. Calculate the energy of activation of the reaction, assuming that it does not change with temperature. (R = 8.314 JK^(-1) mol^(-1) )

If temperature changes from 27^@C to 42^@C then no. of molecules having energy greater than thershold energy become five times, then find activation energy of reaction in KJ. Given ln 5= 1.6094

JEE MAINS PREVIOUS YEAR ENGLISH-JEE MAINS 2020-CHEMSITRY
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