lcjfletcher lcjfletcher

04-04-2021
Chemistry

contestada

Carbon 14 has a half-life of 5,730 years. If a sample contained 70 mg originally, how much is left after 17,190 years.

Respuesta :

keijosalonen keijosalonen

04-04-2021

Answer: Mass after three decay is 8.75 mg

Explanation: if you divide 17190 by 5730 you see three decays has happened.

So you divide mass by two three times. 70 mg :2 = 35 mg, 35 mg :2 = 17.5 mg

And 17.5 mg:2 = 8,75 mg

Answer Link

Otras preguntas

how to write a word problem

Starting in 1939, any nation fighting in World War II could purchase goods and arms in the United States under the _____________ program.

F(x)=13x-14 Find the domain of f(x)

After taking over the Italian Peninsula, which areas did Rome conquer first?

The smallest bacterium is 0.2 micrometers across, while the giant amoeba Chaos chaos is 1000 micrometers across. How many times larger is the giant amoeba than

A habitat that has lots of light and water, a high elevation, low temperatures, and a low level of oxygen is most likely a _____. a. desert b. high mountain c.

what is ten times as much as 0.1

the lawn order lawnmower factory can produce 12 lawnmowers in 8 hours . How many hours will take the factory to produce 30 lawnmowers?

x^2-9x+8 what is the Factor to this problem

an example of a constant acceleration is