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 92 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 :)

brbarasa

  • Member
  • Posts: 308
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

« previous next »
 

Did you know?

Vampire bats have a natural anticoagulant in their saliva that permits continuous bleeding after they painlessly open a wound with their incisors. This capillary blood does not cause any significant blood loss to their victims.

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?

A headache when you wake up in the morning is indicative of sinusitis. Other symptoms of sinusitis can include fever, weakness, tiredness, a cough that may be more severe at night, and a runny nose or nasal congestion.

Did you know?

Asthma-like symptoms were first recorded about 3,500 years ago in Egypt. The first manuscript specifically written about asthma was in the year 1190, describing a condition characterized by sudden breathlessness. The treatments listed in this manuscript include chicken soup, herbs, and sexual abstinence.

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.

Some of the many small molecules found in cells Some of the many small molecules found in cells
Surface Water Parsing Surface Water Parsing
Ice, liquid water, and water vapor Ice, liquid water, and water vapor
The structure of liquid water The structure of liquid water
According to Table 17.1, which will reduce water but not Mg2+? According to Table 17.1, which will reduce water but not Mg2+?
What is the molarity of KCl in sea water if sea water is 12.5% (m/m) and the den What is the molarity of KCl in sea water if sea water is 12.5% (m/m) and the den
Video: Rods and Cones Animation

For a complete list of videos, visit our video library