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The rate constant for a first-order reaction is k = 0.00073 s-1. Determine the percent of reactant ...

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geoffrey:
Question 1The 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 2The 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%

uniquea123:
Answer 11300 s

Answer 231%

Princess Joyce Reyes:
How do you solve for number 2?

Antony Shawz:
Thank you

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