shekinahconnoll9360 shekinahconnoll9360

22-07-2017
Chemistry

contestada

What is the half-life of a 0.5 g sample of radioisotope that decayed to 0.125 g in 9.6 min?

Respuesta :

27-07-2017

25% remaining = 2 half-lives have passed,
9.6 / 2 = 4.8 minutes

Answer Link

Otras preguntas

Which of the following human relations skills is not listed in the text as a key factor to building positive relationships? A. Communication B. Drive C. Self-c

A strong economy depends on many investors speculating. many banks giving many people loans. most consumers buying on credit. most people’s confidence in the ec

change the fraction 4/13 to a decimal

Lord and lady capulet plan for their daughter to?

What is the area for 140cm wide 190 cm long

Which amendment to the U.S Constitution granted women the right to vote? 16th Amendment 18th Amendment 19th Amendment 21st Amendment

How did Galileo revolutionize the field of astronomy?

The technology and factory assembly lines of the 1900s changed American life forever. True False

Which of the following is probably not a reason why data should be organized? It allows you to prove a hypothesis is correct It allows you to spot trends It all

The Russian-Japanese War was caused by Russian troops remaining in Manchuria after the Boxer Rebellion. True False