1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
scZoUnD [109]
3 years ago
14

What is the percent of carbon-14 remaining after two half-lives?

Chemistry
1 answer:
Maslowich3 years ago
7 0
After one half-life, one half is remaining.  After two half-lives one fourth is remaining.  So that would be 25%

You might be interested in
1- DILUTIONS What will the volume be of a solution created using 120 mL of 4.50 M stock solution if the final molarity needs to
andreyandreev [35.5K]

Answer: 0.27 L

Explanation:

8 0
3 years ago
How many nucleons are there in an atom with a nuclear charge of +20 and 23 neutrons?
dalvyx [7]

Answer:

43

Explanation:

8 0
2 years ago
19 The coefficients in a balanced chemical equation represent(l ) the mass ratios of the substances in the reaction(2) the mole
Andrews [41]
2. The coefficients represent to molar ratios in a balanced equation.
8 0
3 years ago
Please help me I will give a brainleist to anyone who answers​
tekilochka [14]

Answer:

4

Explanation:

4 0
3 years ago
Select the correct answer. Which statement is true of a chemical change? A. It involves changes in the molecular structure. B. I
wolverine [178]
I think the answer is something within..
4 0
2 years ago
Read 2 more answers
Other questions:
  • Which of the following shows a Bronsted-Lowry acid reacting?
    6·2 answers
  • When heat energy is removed, two changes are observed:
    6·2 answers
  • If you are given a chemical equation and specific amounts for each reactant in grams, how would you determine how much product c
    12·1 answer
  • Which of these is an example of a physical change
    13·1 answer
  • What are molecules and what are they made of?
    13·1 answer
  • HELP FAST Plz!!!!!!
    7·1 answer
  • Which functional group contains a nitrogen atom and an oxygen atom?
    14·2 answers
  • At 1:00 P.M., the air temperature was 78°F, and air pressure was 30.0 inches of mercury with partly cloudy skies. By 4:00 P.M.,
    11·2 answers
  • Which iconic compound is used as a building material?
    12·1 answer
  • What is an example of equilibrium?
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!