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The Rate Constants for the First-Order Decomposition of a Compound

Question 57

Multiple Choice

The rate constants for the first-order decomposition of a compound are 5.22× 10-4 s-1 at 43°C and 2.91 × 10-3 s-1 at 62°C.What is the value of the activation energy for this reaction? (R = 8.31 J/(mol · K) )


A) 0.87104 kJ/mol
B) 34.5 kJ/mol
C) 0.751 kJ/mol
D) 79.5 kJ/mol
E) 2 kJ/mol

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