Author Question: Sodium-24 has a half-life of 15 hours. How much of a 20 mg sample would remain after two half-lives? ... (Read 95 times)

kamilo84

  • Sr. Member
  • ****
  • Posts: 495
Sodium-24 has a half-life of 15 hours. How much of a 20 mg sample would remain after two half-lives?
 
  A) 0 mg
  B) 2 mg
  C) 5 mg
  D) 10 mg

Question 2

The first step in the hydrolysis of fats is splitting them into fatty acids and
 
  A) methanol.
  B) ethanol.
  C) fructose.
  D) glycerol.



lin77x

  • Sr. Member
  • ****
  • Posts: 326
Answer to Question 1

C

Answer to Question 2

D



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Lower drug doses for elderly patients should be used first, with titrations of the dose as tolerated to prevent unwanted drug-related pharmacodynamic effects.

Did you know?

Throughout history, plants containing cardiac steroids have been used as heart drugs and as poisons (e.g., in arrows used in combat), emetics, and diuretics.

Did you know?

Multiple experimental evidences have confirmed that at the molecular level, cancer is caused by lesions in cellular DNA.

Did you know?

According to the CDC, approximately 31.7% of the U.S. population has high low-density lipoprotein (LDL) or "bad cholesterol" levels.

Did you know?

Malaria was not eliminated in the United States until 1951. The term eliminated means that no new cases arise in a country for 3 years.

For a complete list of videos, visit our video library