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Science Clinic => Chemistry => Topic started by: geoffrey on Jul 8, 2021

Title: The rate constant for a first-order reaction is k = 0.00073 s-1. Determine the percent of reactant ...
Post by: geoffrey on Jul 8, 2021

Question 1

The rate constant at 160 °C for the first order decomposition of ore is 0.032/min. The half-life of the reaction is ________.
◦ 62.5 s
◦ 31.25 s
◦ 5000 s
◦ 111 s
◦ 1300 s

Question 2

The rate constant for a first-order reaction is k = 0.00073 s^-1. Determine the percent of reactant that has decomposed after 500 s.
◦ 69%
◦ 57%
◦ 37%
◦ 31%
◦ 43%

Title: The rate constant for a first-order reaction is k = 0.00073 s-1. Determine the percent of reactant ...
Post by: uniquea123 on Jul 8, 2021

Answer 1

1300 s

Answer 2

31%

Title: Re: The rate constant for a first-order reaction is k = 0.00073 s-1. Determine the percent of reacta
Post by: Princess Joyce Reyes on Jan 15, 2022

How do you solve for number 2?

Title: Re: The rate constant for a first-order reaction is k = 0.00073 s-1. Determine the percent of reacta
Post by: Antony Shawz on Feb 19, 2024

Thank you