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

List the order in which digestion takes place?

Which of the following elements is not necessary to prevent value conflicts in the work place? A. Honest communication B. Consideration C. Tolerance D. Avoidan

10 less than five of a certain number is fourteen more than 7 times of that number. What is the number?

whats the complete subject for the below 1.Do spider have six legs or eight legs? 2. listen to the directions. 3.the man in the tall hat is a magician. 4.is t

in what part of chloroplasts do dark reactions occur?

6 cakes cost to pound £2.40 how much does 10 cakes cost?

Because prokaryotes do not have many specific structures, they _____. a. cannot survive in most environments b. cannot move through their environments c. rely o

if line ab is parallel to line CD,and line CD is perpendicular to line EF.what can you conlude about AB andEF

what set off a European scramble for African territories

Volcanoes _____. are caused by weathering are caused by tsunamis cause liquefaction are both constructive and destructive