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 is the highest and lowest frequency a human being can hear

as you increase the temperature of a solute it's solubility

. What did political cartoonist Thomas Nast work to expose?the secret dea behind the election of Rutherford B. Hayesthe illegal activities of New York City's "B

Subha’s name means “sweetly speaking.” Which literary device does her name illustrate?

Help!! Solve this 6x^3 - 8y^3 - 12x^2y^2 + 4xy x=2/3 and y=1/2

Mechanisms to bring an elevated body temperature down to the normal level include

Which of the following was not a result of use of the assembly line? O O A. Higher productivity B. Greater efficiency O C. Lower prices O D. More security

Which statements are true for the functions g(x) = x2 and h(x) = -x2? Check all that apply.

16. A 6 kg block is falling toward a spring located 1.8 m below. If it has a speed of 4 m/s at first,what will be the maximum compression of the spring? Assume

Is the following relation a function?