ventalexander2703 ventalexander2703

20-04-2018
Chemistry

contestada

What is the half-life of a 3 g sample of radioisotope that decayed to 0.75 g in 30 days?

Respuesta :

hunehmustard hunehmustard

20-04-2018

15 days. 3/2/2 = 0.75 so it went through 2 half lives so far.

Answer Link

Otras preguntas

Water weighs about 8.34 pounds per ounces per gallon is the weight of water

3 ways to use electric current

I am timed ): Part A: Show all work to solve the quadratic equation x2 + 2x − 15 = 0 by factoring. (2 points) Part B: Using complete sentences, explain what the

The distance between Maggie’s home and her school is 5,280 yards. The distance she rides to school and back every day is yards, or miles. (Hint: 1 mile = 1,7

4th Grade math help , please explain how to get answer, thank you

7,350 as a single digit integer times a power of 10

Please help !!!!!!!!!!!!!

The length of a rectangle is 3inches more than its width if the perimeter is 42inches find the dimensions of the rectangle

The princess traces one plant’s roots to discover that it has exactly 5 roots. One of the roots she can trace to 2−3√5. At least two of the roots are the same a

To protest the Stamp Act, colonial merchants vowed not to buy British products by signing what?