stephaniehernandez88
stephaniehernandez88 stephaniehernandez88
  • 21-04-2022
  • Physics
contestada

100.0 grams of an isotope with a half-life of 36.0
hours is present at time zero. How much time will
have elapsed when 5.00 grams remains?

Respuesta :

jsimpson11000 jsimpson11000
  • 21-04-2022

Answer:

155.6 hrs

Explanation:

5   =   100 (1/2)^n      n = 4.32 half lives

4.32 * 36 = 155.6 hrs

Answer Link

Otras preguntas

conditional statement: If both points are positive, then the coordinate point is in the first quadrant. Which statement represents the biconditional. 1-None
If n is a positive integer, then lim n→∞ 1/n[(1/n)^2+(2/n)^2+...+((n-1)/n)^2] can be expressed as...
I need help on question 5
If an atom has 5 protons, 5 neutrons, and 3 electrons, what is the atom's charge? a. +2 b. -2 c. 0 d.-3 can someone explain to me how to find the a
find the equation for a hyperbola centered at (0,0),with foci at (-square root 34,0) and (square root 34,0) and vertices at (3,0) and (-3,0)
The pressure in a moving stream of fluid a. is greater than the pressure in the surrounding fluid. b. is less than the pressure in the surrounding fluid
A dock worker pulls two boxes connected by a rope on a horizontal floor, as shown in the figure . All the ropes are horizontal, and there is some friction with
what is a concave lens?
What is the number of moles in 0.025 g (NH4)2Cr2O7?
If a projectile is launched vertically from the Earth with a speed equal to the escape speed, how high above the earth's surface is it when its speed is half th