sanelmarkisic sanelmarkisic
  • 20-06-2018
  • Chemistry
contestada

The half-life of 131I is 8.021 days.What fraction of a sample of 131I remains after 24.063 days

Respuesta :

JoannaBlackwelder
JoannaBlackwelder JoannaBlackwelder
  • 20-06-2018
24.063/8.021 = 3 half lives
(1/2)^3 =1/8 
Answer Link

Otras preguntas

The length of sidr of square 1 2 3 4 5 perimeter of square i dont know? The area of square
What will happen if i shine a laser in a icecube?
Which lines in the excerpt from act 1 of Shakespeare's romeo and Juliet reveal that Romeo was avoiding benvolio?
passes through (4,-1), slope =-3
Whats The value of the expression below? 2/5 divided by 6/7 A) 12/35 B) 7/15 C) 15/7 D) 32/12
Help!! Very VERY URGENT!!
What is the heart's function in a living organism??
vin went fishing and caught 3 fish. The first fish weighs 1.75 pounds. The second fish weighs 2.4 pounds, and the third fish weighs 0.95 pounds. How many pounds
Which statement best defines pregnancy? A. A fertilized egg that has begun cell division B. The joining of an egg and a sperm C. The period of about 40
You should be able to continue aerobic exercise for a long period of time. Question options: True False