engineering chemistry MCQ #4948

The rate constant for a reaction at 300 K is 1.5 x 10^-3 s^-1. At 310 K, it is 3.0 x 10^-3 s^-1. The activation energy is

engineering chemistry MCQ #4948

  1. Question 1

    Q1. The rate constant for a reaction at 300 K is 1.5 x 10^-3 s^-1. At 310 K, it is 3.0 x 10^-3 s^-1. The activation energy is

    • A) 53.6 kJ/mol
    • B) 50.3 kJ/mol
    • C) 54.0 kJ/mol
    • D) 52.9 kJ/mol

    Answer: 53.6 kJ/mol

    Explanation: Using the Arrhenius equation and given rate constants at two temperatures, we can calculate Ea.