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

construct thruth table for each of the following Statement

What is the total distance covered during its complete motion? (CCT TYPE) *2 points350 km20/3 km50 km40/3 kmWhat is the SI unit of speed? ( CCT type) *2 pointsm

pls help me asap with this

The students are reading the book. convert this sentence into sanskrit language

A cupboard costing Rs.16800 is depreciated at the rate of 15% per year. What will be the cost of the cupboard after 2 years.

sean had a drug probelm when he was in middle school but has since been rehabilitated how could his background affect his future.

A body of mass m moves along y such that at time t its position is y(t)= at^2 – bt + c, where a, b, c are constant.(a) Calculate the acceleration of the body. (

Solve the following equations: 4 1/5 ÷ 1 1/5 = 11 - 1 7/18x

I need help I need help

why is unemployment increasing in our country? give any six reason