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 119 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?

In most climates, 8 to 10 glasses of water per day is recommended for adults. The best indicator for adequate fluid intake is frequent, clear urination.

Did you know?

Individuals are never “cured” of addictions. Instead, they learn how to manage their disease to lead healthy, balanced lives.

Did you know?

As many as 20% of Americans have been infected by the fungus known as Histoplasmosis. While most people are asymptomatic or only have slight symptoms, infection can progress to a rapid and potentially fatal superinfection.

Did you know?

Drugs are in development that may cure asthma and hay fever once and for all. They target leukotrienes, which are known to cause tightening of the air passages in the lungs and increase mucus productions in nasal passages.

Did you know?

Signs of depression include feeling sad most of the time for 2 weeks or longer; loss of interest in things normally enjoyed; lack of energy; sleep and appetite disturbances; weight changes; feelings of hopelessness, helplessness, or worthlessness; an inability to make decisions; and thoughts of death and suicide.

For a complete list of videos, visit our video library