michaellhenderson michaellhenderson

04-12-2020
Physics

contestada

a radioactive tracer has a half-life of 2 hours. how much of a 2500g sample will be avalible after 18 hours

Respuesta :

04-12-2020

Answer:

i believe the answer is 2.44140625 grams remaining

Answer Link

brown162020 brown162020

24-11-2021

Answer:

4.88g

Explanation:

We must first calculate how many half-life there are in 18 hours, knowing that each half life takes 2 hours.

18/2 = 9 Half life

Now, knowing this we can calculate the number of grams by applying 9 times the half life.

2500/2= 4.88 grams

Which means that after 18 hours there are 4.88 grams.

Answer Link

Otras preguntas

What is the tendency of a system to lose its ability to decline and eventually become obsolete?

Is the human body an open , closed , or isolated system?

1) which method of adding user accounts is faster ? 2) which method of adding user accounts is easier to remember ? 3) what is a benefit of adding use

You are accelerating a mass of 2500 kg. if you quadruple the force applied what happens to the acceleration?

Examine the strength and weakness of nebular hypothesis

What is first-person point of view in a literary text?a point of view in which the narrator is telling their own story and the reader knows what the narrator is

Why might abbvie develop drugs for rare diseases instead of investing all of its resources toward drugs for common diseases?

The component form of a vector indicates the changes in x and y from the starting point to the endpoint. What is the component form of this vector? YA 5 (-3,-4)

The term is the measure of heat required to raise the temperature of 1 lb of water 1 degree F.

With regard to the roles of the buying center, a purchasing agent is almost always the:_____.