Are you taking CLEP classes? Try clep.ai
| preferred AP College board partner for AP classes
AP Chemistry/Unit 5: Kinetics
Start Practice TestPractice Test
About Exam
easy Solved by 9 students

First-Order Reaction Half-Life

< Prev
Next >

The half-life of a first-order reaction is 15.0 minutes. What is the time required for the reactant concentration to decrease to 12.5% of its initial value?

A

30.0 minutes

B

45.0 minutes

C

60.0 minutes

D

37.5 minutes

Hint
Did You Know?
Explain Why
Explain All Answers
Check Answer
Show Correct Answer
Report Question
Mark for review

Question Leaderboard

Rank
User
Correct Count
Attempt Count
Total Time
Score
#1Derinchiay201322 0m 43s 157
#2p25000115511 0m 00s 100
#3drdivyachemsme11 0m 36s 64
#4abennin11 0m 51s 49
#5kohally3511 0m 53s 47
#6priyamk112200811 1m 05s 35
#7heodavidheo14 0m 53s 17
#8malyn2711 1m 48s -8
#9kacic1714 1m 28s -18
#10vidushi.venya02 0m 00s -20
Items per page:
10
1 – 10 of 11
No comments yet. Be the first to comment!

AI Tutor

How can I help?

APFIVE © 2020.
Email: apfive@apfive.org|Privacy Policy|