Jazlynporter Jazlynporter

13-10-2017
Chemistry

contestada

Phosphorus-24 has a half-life of 14.3 days. What percent of phosphorus-24 is left after 144 hours?

Respuesta :

ahmedishaal ahmedishaal

21-10-2017

Half life of phosphorus-24 = 14.3 days
percent of phosphorus-24 left after 144 hours = ?
144 hours = 144/24 = 6 days
6 days/ 14.3 days = 0.42
(1/2)∧0.42 = 0.747
percent left = 0.747 x 100 = 74.7%

Answer Link

Otras preguntas

if a molecule is taking up more space is it gaining or losing energy explained

“How fast do X rays travel in a vacuum?

The measure of 3 angles in a triangle are in 1:2:3 ratio. what is the measure of the middle angle?

What is an interest paid

Alex, Lizzie, Winnie, and Greg decided to randomly switch their four lunch boxes. If they each choose one of the four boxes at random, what is the probability t

Explain why an area that goes through secondary succession will likely reach its climax community before an area that goes through primary succession.

What is a synonym for forbidding A. Pleasant B. Comical C. Serious D. Disagreeable

Along with Jim crow laws, what other important event contributed to the removal of rights freedmen and african americans gained during reconstruction

What does this symbol "ll” mean? In the diagram of AABC, points D and E are on AB and CB, respectively, such that AC || DE. What does "AC||DE" tell us? Why do w

When is it better to use a table in math