This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: Why does ice float on water? a. Ice is hydrophobic and repels water. b. Water molecules have ... (Read 52 times)

Mollykgkg

  • Hero Member
  • *****
  • Posts: 529
on: Jul 27, 2018
Why does ice float on water?
 
  a. Ice is hydrophobic and repels water.
  b. Water molecules have less mass the colder they get.
  c. Water molecules are spaced farther apart in ice than in liquid water.
  d. Vibrating electrons in liquid water push ice to the surface.
  e. Hydrogen bonds are weaker in ice.

Question 2

How rapidly a planet loses its atmosphere depends on the planet's I. escape velocity (determined by mass and radius). II. atmospheric composition. III. temperature. IV. rotation period.
 
  a. I & II
  b. III & IV
  c. I, II, & III
  d. II, III, & IV
  e. I, II, III, & IV


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

sylvia

  • Sr. Member
  • ****
  • Posts: 331
Reply #1 on: Jul 27, 2018
Answer to Question 1

c

Answer to Question 2

c


Mollykgkg

  • Member
  • Posts: 529
Reply 2 on: Jul 27, 2018
Great answer, keep it coming :)

chereeb

  • Member
  • Posts: 326
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

Did you know?

The people with the highest levels of LDL are Mexican American males and non-Hispanic black females.

Did you know?

People with high total cholesterol have about two times the risk for heart disease as people with ideal levels.

Did you know?

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

Did you know?

Once thought to have neurofibromatosis, Joseph Merrick (also known as "the elephant man") is now, in retrospect, thought by clinical experts to have had Proteus syndrome. This endocrine disease causes continued and abnormal growth of the bones, muscles, skin, and so on and can become completely debilitating with severe deformities occurring anywhere on the body.

Did you know?

Each year in the United States, there are approximately six million pregnancies. This means that at any one time, about 4% of women in the United States are pregnant.

Shapes of molecules Shapes of molecules
Water as solvent Water as solvent
Release of ordered water favors formation of an enzyme-substrate complex Release of ordered water favors formation of an enzyme-substrate complex
Wetlands Store and Clean Water Wetlands Store and Clean Water
Water Solubility of Selected Chemicals Water Solubility of Selected Chemicals
The water molecule The water molecule
Video: Transferring genes into plants Animation

For a complete list of videos, visit our video library