Author Question: Oxygen, , is certainly good for you. Does it follow that if small amounts of oxygen are good for you ... (Read 41 times)

abern

  • Hero Member
  • *****
  • Posts: 533
Oxygen, , is certainly good for you. Does it follow that if small amounts of oxygen are good for you then large amounts of oxygen would be especially good for you?
 
  A) Yes. This is the reason patients are given pure (100) oxygen during medical procedures.
  B) Yes. Increased oxygenation of the bloodstream is good for you and can increase your life span.
  C) No. Breathing 100 oxygen for extended periods of time can be damaging to the body.
  D) No. Large amounts of oxygen will absorb hydrogen from the body and increase the amount of water in the body causing an imbalance in electrolytes.

Question 2

How is Avogadro's number related to the numbers on the periodic table?
 
  A) The atomic mass listed is the mass of Avogadro's number's worth of atoms.
  B) The masses are all divisible by Avogadro's number, which gives you the weight of one mole.
  C) The periodic table tells you the mass of one atom. From that, and Avogadro's number you know the number of moles.
  D) The periodic table only gives us atomic numbers, not atomic mass.
  E) The mass listed is Avogadro's number.



guyanai

  • Sr. Member
  • ****
  • Posts: 349
Answer to Question 1

C

Answer to Question 2

A



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question


 

Did you know?

When taking monoamine oxidase inhibitors, people should avoid a variety of foods, which include alcoholic beverages, bean curd, broad (fava) bean pods, cheese, fish, ginseng, protein extracts, meat, sauerkraut, shrimp paste, soups, and yeast.

Did you know?

More than nineteen million Americans carry the factor V gene that causes blood clots, pulmonary embolism, and heart disease.

Did you know?

Blood is approximately twice as thick as water because of the cells and other components found in it.

Did you know?

The human body's pharmacokinetics are quite varied. Our hair holds onto drugs longer than our urine, blood, or saliva. For example, alcohol can be detected in the hair for up to 90 days after it was consumed. The same is true for marijuana, cocaine, ecstasy, heroin, methamphetamine, and nicotine.

Did you know?

About 600,000 particles of skin are shed every hour by each human. If you live to age 70 years, you have shed 105 pounds of dead skin.

For a complete list of videos, visit our video library