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

(no links ) this should be submitted in the next hour

-1X is the same as what?

In "Señor Noboa," which two statements best describe Señor Noboa's response to the laborers' reaction to him? A. He resolves to persuade them that he is fair t

During summer vacation , lydie spent time with her grandmother picking blackberries . they decided to make blackberry jam for their family . her grandmother sai

What is the awnser to −35+7+(−15)

When f(x) = 10x^2-5x-6, evaluate f(-2) what is answer

De acordo com Bobbio, por que é importante que distingamos diferenças naturais de desigualdades sociais? A) Porque com frequência o preconceito nasce da superpo

How do the physical featuresof the UAE influence the life of the people?

what do you mean by seasonal market/

• The slender branches went up about twenty feet and were heavy, drooping with clusters of bright red berries. They were half as big as grapes but hung in bunch