tiffy9066 tiffy9066

03-05-2018
Chemistry

contestada

The half-life of cobalt-60 is 5.20 yr. how many milligrams of a 2.000-mg sample remain after 10.50 years?

Respuesta :

mkryukova19 mkryukova19

03-05-2018

final amount =initial anount *(1/2)^(t/half life)

final amount =2.000 mg *(1/2)^(10.5/5.20) = 0.493 mg remain after 10.5 years

Answer Link

Otras preguntas

What occurs when gametes fuse during sexual reproduction? puberty secondary sex characterization asexual reproduction fertilization

What is the value of x in the equation shown? -4 = 5x + 3 A) -3 4/5. B) -1 2/5 C) 1/5 D) 1 2/5

What is the slope of this line?

Which domain-specific words can be used to replace the bolded phrase? The statue is made up of many different kinds of things. A) Ablend of odds and ends B)A

find the H.C.F of : 120 and 150.

Give the electronic configuration of an atom of sulfur.

Solve for d. 41 = 120 - 7 d Stuck? Watch a video or use a hint.

Day 2: 14.1 D Worksheet 14.1 D Worksheet math plz help

Graham wrote the system of equations. 67 – 8y = -16 y = x+8 What is true about the system of equations that Graham wrote? It has no solution. B It has 1 solutio

When choosing her classes, Elena made sure that all of her instructors were women because when she was in fourth grade, she had a male teacher who was incompete