Author Question: At 25C, by what factor is the reaction rate increased by a catalyst that reduces the activation ... (Read 48 times)

bvyeehaw · **on:** Nov 5, 2023

Question 1

At 25°C the rate constant for the first-order decomposition of a pesticide solution is 6.40 × 10^–3 min^–1. If the starting concentration of pesticide is 0.0314 M, what concentration will remain after 62.0 min at 25°C?
◦ 1.14 × 10^–1 M
◦ 47.4 M
◦ –8.72.0 M
◦ 2.11 × 10^–2 M
◦ 2.68 × 10^–2 M

Question 2

At 25°C, by what factor is the reaction rate increased by a catalyst that reduces the activation energy of the reaction by 1.00 kJ/mol?
◦ 1.63
◦ 123
◦ 1.04
◦ 1.50
◦ 2.53

athenaheim · **Reply #1 on:** Nov 5, 2023

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