almanzajosselyn almanzajosselyn

03-05-2021
Physics

contestada

According to the graph, how many atoms would remain after two half-lives?

20 atoms

80 atoms

40 atoms

50 atoms

According to the graph how many atoms would remain after two halflives 20 atoms 80 atoms 40 atoms 50 atoms class=

Respuesta :

03-05-2021

Answer:

Let No be initial no of atoms

N = N0 / 2 after 1 half-life

N = N0 / 4 after 2 half-lives

So after 2 half-lives 20 of the 80 atoms remain

Answer Link

Otras preguntas

Which letter would you expect the temperature to be extremely cold? Letter D Letter E Letter F Letter G Help ASAP!!!!!

Evaluate the expression (a^2 b^0 c^-4) if a=6, b=-2, and c=3

What effect did technological advances such as the steamboat,cotton gin and the introduction of interchangeable parts have on the American economy

Does anyone understand this please help meee

Use the diagram to solve. What is 260% of 6? Percent Total 100% 100% 20% 20% 20% 260% A. 3.6 B. 9.6 c. 15.6 D.21.6

nvmQuestion 1Part AWrite a ratio of apples compared to all the fruit.Enter the correct answers in the boxes.

5. Peyer's Patches are an example of

How does a mechanical wave affect the matter in which it travels through? A It changes its position forever B It moves perpendicular to the direction of the wa

I NEED HELPPPP ASAP!!!!!

Please help ASAP! Thank u