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

Brainly the desire to be able to run an eight-minute mile is an example of _____. a short-term fitness goal a fitness program a long-term fitness goal a fitness

. Last month, a factory produced 800 television sets.This month, the same factory produced 1,064 television sets.The increase in production from last month to t

Can someone help me with this? Its a project I'm working on and it is quite difficult for me to figure it out.

Can someone help me please which one is it ? A B C D

the density of a fish tank is 0.2 fish over feet cubed. There are 8 fish in the tank. What is the volume of the tank? a. 4ft cubed b. 16ft cubed c. 32 ft cubed

Ramesh examined the pattern in the table. Powers of 7 Value 2,401 343 49 7 1 Ramesh says that based on the pattern . Which statement explains whether Ramesh is

Only the _________ can add users with passwords and limit user access to selected areas.

Please helppppppppppppp

According to myth, how does the grandmother spider capture the suns child? A. She uses a rope to create a trap. B. She impersonates the boy's mother C. She cov

Which most likely represents the process of dissolving carbon dioxide in soda?v