Author Question: A certain automobile tire has a volume of 0.0185 m3. If the absolute (or total) pressure in the tire ... (Read 152 times)

geodog55

  • Hero Member
  • *****
  • Posts: 530
A certain automobile tire has a volume of 0.0185 m3. If the absolute (or total) pressure in the tire is 500 kPa and the temperature is 298 K, how many molecules are there inside the tire? (R = 8.31 J/mol  K, NA = 6.022  1023 molecules/mol)
 
  A) 2.25  1023 molecules
  B) 2.25  1024 molecules
  C) 3.25  1023 molecules
  D) 3.25  1024 molecules
  E) 3.25  1025 molecules

Question 2

If the frequency of a light beam is doubled, what happens to the momentum of the photons in that beam of light?
 
  A) It stays the same.
  B) It is halved.
  C) It is doubled.
  D) It is reduced to one-fourth of its original value.
  E) It is increased to four times its original value.


jxjsniuniu

  • Sr. Member
  • ****
  • Posts: 343
Answer to Question 1

B

Answer to Question 2

C



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question


 

Did you know?

The average older adult in the United States takes five prescription drugs per day. Half of these drugs contain a sedative. Alcohol should therefore be avoided by most senior citizens because of the dangerous interactions between alcohol and sedatives.

Did you know?

To prove that stomach ulcers were caused by bacteria and not by stress, a researcher consumed an entire laboratory beaker full of bacterial culture. After this, he did indeed develop stomach ulcers, and won the Nobel Prize for his discovery.

Did you know?

Acute bronchitis is an inflammation of the breathing tubes (bronchi), which causes increased mucus production and other changes. It is usually caused by bacteria or viruses, can be serious in people who have pulmonary or cardiac diseases, and can lead to pneumonia.

Did you know?

The first monoclonal antibodies were made exclusively from mouse cells. Some are now fully human, which means they are likely to be safer and may be more effective than older monoclonal antibodies.

Did you know?

People often find it difficult to accept the idea that bacteria can be beneficial and improve health. Lactic acid bacteria are good, and when eaten, these bacteria improve health and increase longevity. These bacteria included in foods such as yogurt.

For a complete list of videos, visit our video library