queentorii queentorii
  • 18-09-2016
  • Chemistry
contestada

half life in chemistry I wasn't here when we did this

half life in chemistry I wasnt here when we did this class=

Respuesta :

daltonpayne
daltonpayne daltonpayne
  • 20-09-2016
A half-life is the amount of time it takes for half of a substance to decay.

1.) After one half-life - 13.5mg.
After two - 6.75mg
Three - 3.375mg

2.) 250mg of Iron-59 will remain.

3.) 14 days is the half-life of Phospherous-32.
Answer Link

Otras preguntas

Find MQ and PQthanks you​
The product of 4.8 and the sum of 2 and a number
I need help please someone
Which statement comparing 6² + 14 ÷ 2 and 100−82is true? 62+14÷2=100−82 62+14÷2>100−82 62+14÷2<100−82
Why am I doing other people's homework instead of my own? Help ;-;
If ethanol (S.G. = 0.790) were used rather than water in measuring the density of the irregular objects, how would that have affected the results? Explain.
Tell whether the paragraph below contains mostly direct or indirect characterization. Out of all the members of the band, Silvio was the most popular. He banged
PLease help!!!! i really please hep
Brancusi’s well-known sculpture of a bird was intended to ____________
how did the geography of Mesopotamia contribute to the development of early civilization there​