Author Question: Fourteen grams of nitrogen, N2, (N, atomic mass 14 amu) contains ________. A) 1 mole of nitrogen ... (Read 232 times)

jayhills49

  • Hero Member
  • *****
  • Posts: 559
Fourteen grams of nitrogen, N2, (N, atomic mass 14 amu) contains ________.
 
  A) 1 mole of nitrogen atoms
  B) 0.5 moles of nitrogen atoms
  C) 0.25 moles of nitrogen atoms
  D) Not enough information is given

Question 2

Why is the surface area of a gecko's foot so extensive?
 
  A) A gecko, like all amphibians, needs extensive surface area under foot for stability on land as well as mobility in water.
  B) A gecko's foot acts like a large dipole and thus allows for ion-dipole interaction in water.
  C) The greater the surface area the greater the number of induced dipole-induced dipole forces of attraction that can occur between the gecko's foot and the surface.
  D) The extensive surface area, once charged by the gecko's body, allows for the dipole-dipole attraction of every contact surface.



cupcake16

  • Sr. Member
  • ****
  • Posts: 309
Answer to Question 1

A

Answer to Question 2

C



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

The term bacteria was devised in the 19th century by German biologist Ferdinand Cohn. He based it on the Greek word "bakterion" meaning a small rod or staff. Cohn is considered to be the father of modern bacteriology.

Did you know?

All patients with hyperparathyroidism will develop osteoporosis. The parathyroid glands maintain blood calcium within the normal range. All patients with this disease will continue to lose calcium from their bones every day, and there is no way to prevent the development of osteoporosis as a result.

Did you know?

Famous people who died from poisoning or drug overdose include, Adolf Hitler, Socrates, Juan Ponce de Leon, Marilyn Monroe, Judy Garland, and John Belushi.

Did you know?

There are immediate benefits of chiropractic adjustments that are visible via magnetic resonance imaging (MRI). It shows that spinal manipulation therapy is effective in decreasing pain and increasing the gaps between the vertebrae, reducing pressure that leads to pain.

Did you know?

If you could remove all of your skin, it would weigh up to 5 pounds.

For a complete list of videos, visit our video library