The Decomposition of [A] in Solution at 80 °C Proceeds

question 86

Multiple Choice

The decomposition of [A] in solution at 80 °C proceeds via the following reaction: A (aq) → B (aq)
The dependence of the rate constant on temperature is studied and the graph below is prepared from the results. What is the energy of activation (kJ/mol) for this reaction?

• A)1.6 × 10⁵
• B)4.4 × 10^-7
• C)160
• D)4.4 × 10^-4
• E)1.9 × 10⁴

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