Ask
your own question, for FREE!
Chemistry
11 Online
OpenStudy (anonymous):
Carbon-14 has a half-life of 5730 years. In a plant fossil, you find that the 14C has decayed to 1/16.0 of the original amount. How long ago was this plant alive?
Still Need Help?
Join the QuestionCove community and study together with friends!
OpenStudy (anonymous):
okay so with an unknown amount of C-14 you have 1/16th.. well lets think.. first half life means that u have 1/2 of the original value. another half life meansu have 1/4. another half life is 1/8 another one is 1/16. that was 4 half lives.. 4 times 5730 years and you get 2.29*10^4 yrs ago.
Can't find your answer?
Make a FREE account and ask your own questions, OR help others and earn volunteer hours!
Join our real-time social learning platform and learn together with your friends!
Join our real-time social learning platform and learn together with your friends!
Latest Questions
Arizona:
my Rolling stone airpods won't connect and I got them about a year ago is there t
Arizona:
can someone check out my essay i'm doing in my senior English class about the McD
IcedShots:
I was wondering, is there anybody on here around my age? Im turning 15 on December 1 ud83dude0a.
stxandrew1214:
I lwk like a junior need help to talk with her and get to know her but I think sh
thatonenerd:
Use Hvap of water = 40.7 kJ/mol, c of water = 4.184 J/g.u00b0C, and molar mass of HO = 18.
letrasbonitasz:
Typography plays an important role in digital communication. Different font styles can make social media profiles, usernames, messages, and creative designs
Bounty:
tested love: im so over love it acquires patience i don't have trials an tribulations yet my souls the only one taken i give 90 you give 10 you say that you
SaltySuga:
is it possible to tell how deep a cut is by an open wound? like would i be able t
AndreW2002:
I'm trying to change my profile picture but it keeps saying "Either a error occurred, or you tried to upload a gif" but it's not a gif that I'm using, it's
Arizona:
my Rolling stone airpods won't connect and I got them about a year ago is there t
5 hours ago
3 Replies
0 Medals
Arizona:
can someone check out my essay i'm doing in my senior English class about the McD
1 day ago
1 Reply
0 Medals
IcedShots:
I was wondering, is there anybody on here around my age? Im turning 15 on December 1 ud83dude0a.
6 hours ago
3 Replies
0 Medals
stxandrew1214:
I lwk like a junior need help to talk with her and get to know her but I think sh
1 day ago
19 Replies
3 Medals
thatonenerd:
Use Hvap of water = 40.7 kJ/mol, c of water = 4.184 J/g.u00b0C, and molar mass of HO = 18.
2 days ago
5 Replies
0 Medals
letrasbonitasz:
Typography plays an important role in digital communication. Different font styles can make social media profiles, usernames, messages, and creative designs
3 days ago
3 Replies
1 Medal
Bounty:
tested love: im so over love it acquires patience i don't have trials an tribulations yet my souls the only one taken i give 90 you give 10 you say that you
1 day ago
7 Replies
2 Medals
SaltySuga:
is it possible to tell how deep a cut is by an open wound? like would i be able t
4 days ago
5 Replies
1 Medal
AndreW2002:
I'm trying to change my profile picture but it keeps saying "Either a error occurred, or you tried to upload a gif" but it's not a gif that I'm using, it's
6 days ago
3 Replies
0 Medals