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Grade: 11

                        

The catalysts decrease the Ea from 100 K J mol^-1 to 80 K J mol^-1 . At what temperature the rate of reaction in the absence of catalyst at 500 K will be equal to rate of reaction in presence of catalyst .

7 years ago

Answers : (2)

Mujahid Ahmed
42 Points
							

Apply Arhenius equation.

K = Ae^-Ea/RT

 

If the two Rates are equal. 

e^-Ea1/RT1 = e^-Ea2/RT2

Ea1/T1 = Ea2/T2

 

100/T = 80/500

T = 625 K

 

Approve if i helped.

7 years ago
ashish chauhan
13 Points
							the catalyst decreses the Ea from 100 kj mol to 80 kj mol .at what temperature the rate of reaction in absence of catalyst at 500 k will be equal to rate of reaction in presence of catalyst
						
2 years ago
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