First Order Decomposition -> % of compound. Please help

AI Thread Summary
In a first-order decomposition problem, the rate constant is given as 0.00313 sec-1. To determine the percentage of the compound that has decomposed after 7.17 minutes, the equation rate = ln[A]o - ln[A]t = kt is used. The user initially struggled with the problem but later found the solution after discussing it with a friend. They expressed gratitude for the assistance and apologized for any inconvenience caused. Understanding the application of the first-order kinetics equation is crucial for solving similar problems.
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First Order Decomposition -> % of compound. Please help!

Homework Statement


In a first order decomposition, the constant is 0.00313 sec-1. What percentage of the compound has decomposed after 7.17 minutes?

Homework Equations


rate = ln[A]o - ln[A]t = kt


The Attempt at a Solution


I feel bad because I have no idea how to solve this problem. My 1st test is soon to come, please help me!
 
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Oh, please ignore this message because I got the answer already. After talking with my friend for awhile, I finally understand how to work this problem out. I am sorry if I ever bother you.
 
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