Register
The half-life of carbon-14 is 5730 years. Explain how to figure out the age of a substance that has 25% carbon-14 remaining.
17.8k views
3 votes
The half-life of carbon-14 is 5730 years. Explain how to figure out the age of a substance that has 25% carbon-14 remaining.

User Xavier Poinas
by
6.0k points

2 Answers

2 votes
It would be 2865 years.
User Sunil Mishra
by
7.3k points
1 vote

Multiply 5730 years by 2 since two half-lives have gone by for carbon.
User Interactive Llama
by
6.6k points
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

7.3m questions

9.7m answers

Other Questions

How do you balance __H2SO4 + __B(OH)3 --> __B2(SO4)3 + __H2O
As an object’s temperature increases, the ____________________ at which it radiates energy increases.
What is the evidence of a chemical reaction when the fireworks go off
Key facts of covalent bonding
How do you decide whether an observed property of matter is a physical or a chemical property?
Link Copied!