Top Posters
Since Sunday
5
a
5
k
5
c
5
B
5
l
5
C
4
s
4
a
4
t
4
i
4
r
4
New Topic  
johnja johnja
wrote...
Posts: 118
Rep: 0 0
2 years ago
The charcoal from ashes found in a cave gave 7.4 14C counts per gram per minute. Wood from the outer portion of a growing tree gives a comparable count of 15.3. The half-life of 14C is 5700 years. How old are the ashes?

▸ 5700 y

▸ 5437 y

▸ 3245 y

▸ 9220 y

▸ 5970 y
Textbook 
General Chemistry: Principles and Modern Applications

General Chemistry: Principles and Modern Applications


Edition: 11th
Authors:
Read 88 times
1 Reply
Replies
Answer verified by a subject expert
angelwithinangelwithin
wrote...
Posts: 76
Rep: 1 0
2 years ago
Sign in or Sign up in seconds to unlock everything for free
More solutions for this book are available here
1

Related Topics

johnja Author
wrote...

2 years ago
I appreciate what you did here, answered it right Smiling Face with Open Mouth
wrote...

Yesterday
Just got PERFECT on my quiz
wrote...

2 hours ago
Good timing, thanks!
New Topic      
Explore
Post your homework questions and get free online help from our incredible volunteers
  1351 People Browsing
Related Images
  
 300
  
 950
  
 147