The E a of reaction in the presence of catalyst is 5.25 kJ/mol and in the absence of catalyst is 8.314 kJ m o l - 1 . What is the slope of the plot of lnk vs 1 T in the absence of catalyst. (R = 8 .314 J k − 1 mol − 1 )

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Correct answer: C. -1000

ln k = l n A - E a R × 1 T slope = - E a R = - 8.3 × 1 0 3 8.3 = - 1000

The E a of reaction in the presence of catalyst is 5.25 kJ/mol and in the absence of catalyst is 8.314 kJ m o l - 1 . What is the slope of the plot of lnk vs 1 T in the absence of catalyst. (R = 8 .314 J k − 1 mol − 1 )

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