Top Posters
Since Sunday
8
5
z
4
n
4
t
4
3
k
3
x
3
r
3
m
3
j
3
c
3
Home Q & A Board Science-Related Homework Help Chemistry (Moderator: Laser_3)
New Topic  
mmaruska mmaruska
wrote...
Go to Answer
Posts: 150
Rep: 0 0
4 months ago

How many 14C atoms are in a charcoal sample that has a decay rate of 3500 disintegrations per min? (For 14C,  t1/2 = 5730 yr.)



▸

2.9 × 107 atoms



▸

8.0 × 10–7 atoms



▸

1.4 × 1014 atoms



▸

1.5 × 1013 atoms



▸

6.02 × 1020 atoms

Textbook 
Chemistry: Atoms First

Chemistry: Atoms First


Edition: 4th
Author:
Read 49 times
1 Reply
Replies
Answer verified by a subject expert
someonespecialsomeonespecial
wrote...
#1
Posts: 129
Rep: 0 0
4 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

mmaruska Author
wrote...

4 months ago
Helped a lot
avance37
wrote...

Yesterday
You make an excellent tutor!
linlinlin
wrote...

2 hours ago
This helped my grade so much Perfect
New Topic      
Quick Reply
Explore
Post your homework questions and get free online help from our incredible volunteers
  818 People Browsing
Start New Topic Take the Tour CoursesNew Study Tools Topics Trending Browse by Textbook
Live Chat
Related Images
  
 359
  
 330
  
 670
Your Opinion
Which of the following is the best resource to supplement your studies:
Votes: 365
Previous poll results: Who's your favorite biologist?