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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