kelseyyraee kelseyyraee

01-11-2016
Chemistry

contestada

How many milligrams remain of a 15.0 mg sample of radium-226 after 6396 years? The half life of radium-226 is 1599 years.

Respuesta :

kaity0001 kaity0001

01-11-2016

There are 4 half lives of radium-226 in 6396 years. 15.0 divided by half 4 times (15.0/2= 7.5, 7.5/2 = 3.75, 3.75/2 = 1.875) equals 1.875 mg of radium-226.

Answer Link

Otras preguntas

what is the name of germ that causes stomach cancer

thx for helping me. cljck on pic

Curve of elecroexcitability is a dependence of

What is immunization pls don’t refer google

What can you conclude if data from a study agree with the result predicted by the hypothesis? A. The data must contain systematic errors. B. The data show th

help please1. Cyrus the Great was a powerful leader. His subjects rarely rebelled against him. Based on what you know about him, why do you think this was the c

How did roman authorites treat conwuered peoples

What is the best unit of measurement for the capisity of a travel size of shampoo

thx for ur helpness click the picture

The following steps describe the process in which psychological theories are developed. Arrange these steps in proper order. data examination data collection