Top Posters
Since Sunday
L
4
d
4
3
k
3
k
3
j
3
k
3
b
3
f
3
b
3
d
3
h
3
Home Q & A Board Science-Related Homework Help Chemistry (Moderator: Laser_3)
New Topic  
alidinak alidinak
wrote...
Go to Answer
Posts: 133
Rep: 0 0
7 months ago
A certain first-order reaction A → B is 25% complete in 42 min at 25°C.  What is the half-life of the reaction?

▸ 21 min

▸ 42 min

▸ 84 min

▸ 20 min

▸ 101 min
Textbook 
Chemistry

Chemistry


Edition: 11th
Authors:
Read 40 times
1 Reply
Replies
Answer verified by a subject expert
taylor.eihausentaylor.eihausen
wrote...
#1
Posts: 140
Rep: 0 0
7 months ago
Sign in or Sign up in seconds to unlock everything for free
More solutions for this book are available here
1

Related Topics

alidinak Author
wrote...

7 months ago
Thank you, thank you, thank you!
ky
wrote...

Yesterday
Good timing, thanks!
lipop
wrote...

2 hours ago
Thanks for your help!!
New Topic      
Quick Reply
Explore
Post your homework questions and get free online help from our incredible volunteers
  1102 People Browsing
 106 Signed Up Today
Start New Topic Take the Tour CoursesNew Study Tools Topics Trending Browse by Textbook
Live Chat
Related Images
  
 40
  
 1580
  
 95
Your Opinion
Previous poll results: What's your favorite funny biology word?