gabrielperez184108 gabrielperez184108

04-06-2021
Chemistry

contestada

A radioactive sample has an activity of 450 cpm three half lives after the initial activity was determined. What was the original activity?

Respuesta :

agbliyah agbliyah

04-06-2021

Answer:

original activity is 3600 cpm

Explanation:

3 half-lives = 450 cpm

2 half-lives = 900 cpm

1 half-life = 1800 cpm

answer = 3600 cpm

Answer Link

Otras preguntas

Write down the comprehensive, consistent and universal principles that guide your behavior under all circumstances.

The atomic number of C-14 is __________?

Every evening Jenna empties her pockets and puts her change in a jar. At the end of the week she counts her money. One week she had 38 coins, all of them dimes

The age of fossils can sometimes be determined by radiometric dating, which is based on the constant rate of decay of radioactive isotopes. the time required fo

Chlorine + sodium astatide

Can someone check this for me? Its easy points!!!! This is the assignment: In your journal, give an example of a function. Give the relation as a set of ordered

find angle "a" in the taper shown. ro

Autonomic nervous system reactivity in humans appears to be ____. a. inherited b. learned c. related to dopamine activity d. psychogenic

What word most likely means someone who takes advantage of circumstances

What is the height of a cone with a radius of 10 inches and a volume of 2199.11 in.³