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

Author Question: Heat is absorbed by a substance when that substance ________. A) freezes B) evaporates C) ... (Read 130 times)

Marty

  • Hero Member
  • *****
  • Posts: 553
on: Aug 27, 2018
Heat is absorbed by a substance when that substance ________.
 
  A) freezes
  B) evaporates
  C) condenses
  D) cools
  E) A and C

Question 2

Why do ice skates work?
 
  A) The pressure of the blades on the ice creates a temporary water layer.
  B) The pressure of the blades cuts a hole in the ice and water flows in.
  C) The blades are treated with a chemical that melts the ice temporarily, which creates a water layer.
  D) Ice is naturally slippery.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

FergA

  • Sr. Member
  • ****
  • Posts: 352
Reply #1 on: Aug 27, 2018
Answer to Question 1

B

Answer to Question 2

A


Marty

  • Member
  • Posts: 553
Reply 2 on: Aug 27, 2018
Excellent

TheDev123

  • Member
  • Posts: 332
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

Did you know?

It is believed that the Incas used anesthesia. Evidence supports the theory that shamans chewed cocoa leaves and drilled holes into the heads of patients (letting evil spirits escape), spitting into the wounds they made. The mixture of cocaine, saliva, and resin numbed the site enough to allow hours of drilling.

Did you know?

More than 50% of American adults have oral herpes, which is commonly known as "cold sores" or "fever blisters." The herpes virus can be active on the skin surface without showing any signs or causing any symptoms.

Did you know?

According to research, pregnant women tend to eat more if carrying a baby boy. Male fetuses may secrete a chemical that stimulates their mothers to step up her energy intake.

Did you know?

Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.

Did you know?

Certain topical medications such as clotrimazole and betamethasone are not approved for use in children younger than 12 years of age. They must be used very cautiously, as directed by a doctor, to treat any child. Children have a much greater response to topical steroid medications.

Physical findings of the skin indicative of substance abuse Physical findings of the skin indicative of substance abuse
Ways to prevent heat waves Ways to prevent heat waves
Heat Index Heat Index
Remove the heat source, and check the skin for redness. Massage the area, and notice muscle ... Remove the heat source, and check the skin for redness. Massage the area, and notice muscle ...
Apply the substance to the abdomen in a clockwise motion. Apply the substance to the abdomen in a clockwise motion.
A system absorbs 623 J of heat while doing 457 J of work. What is the value of U? A system absorbs 623 J of heat while doing 457 J of work. What is the value of U?
Video: Osteoporosis

For a complete list of videos, visit our video library