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

Author Question: Why does evaporation cool a liquid? A) The departing gas molecule takes some kinetic energy with ... (Read 52 times)

jman1234

  • Hero Member
  • *****
  • Posts: 560
on: Aug 27, 2018
Why does evaporation cool a liquid?
 
  A) The departing gas molecule takes some kinetic energy with it as it leaves the surface.
  B) The overall heat decreases because the air cools.
  C) The average energy of the system increases because of the increased disorder in the new gas molecules.
  D) The gas molecules need to transfer their kinetic energy to the new slower gas molecule.
  E) none of the above

Question 2

Which of the following describes the reason for the following application of metals? long wires acting to carry power
 
  A) do not conduct heat well
  B) are shiny
  C) conduct electricity
  D) are strong but can be bent
  E) C and D


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

kmb352

  • Sr. Member
  • ****
  • Posts: 319
Reply #1 on: Aug 27, 2018
Answer to Question 1

A

Answer to Question 2

E


jman1234

  • Member
  • Posts: 560
Reply 2 on: Aug 27, 2018
Wow, this really help

FergA

  • Member
  • Posts: 352
Reply 3 on: Yesterday
Gracias!

« previous next »
 

Did you know?

Never take aspirin without food because it is likely to irritate your stomach. Never give aspirin to children under age 12. Overdoses of aspirin have the potential to cause deafness.

Did you know?

A serious new warning has been established for pregnant women against taking ACE inhibitors during pregnancy. In the study, the risk of major birth defects in children whose mothers took ACE inhibitors during the first trimester was nearly three times higher than in children whose mothers didn't take ACE inhibitors. Physicians can prescribe alternative medications for pregnant women who have symptoms of high blood pressure.

Did you know?

Cucumber slices relieve headaches by tightening blood vessels, reducing blood flow to the area, and relieving pressure.

Did you know?

Inotropic therapy does not have a role in the treatment of most heart failure patients. These drugs can make patients feel and function better but usually do not lengthen the predicted length of their lives.

Did you know?

Most strokes are caused when blood clots move to a blood vessel in the brain and block blood flow to that area. Thrombolytic therapy can be used to dissolve the clot quickly. If given within 3 hours of the first stroke symptoms, this therapy can help limit stroke damage and disability.

Carbon dioxide emission per gigajoule of energy released Carbon dioxide emission per gigajoule of energy released
Adenosine triphosphate (ATP) provides energy Adenosine triphosphate (ATP) provides energy
Growth in Cold and Cool Clouds Growth in Cold and Cool Clouds
Global energy imbalance ~0.75 Wm-2 Global energy imbalance ~0.75 Wm-2
Water as a Polar Molecule Water as a Polar Molecule
Physics: Power, Energy and Time Physics: Power, Energy and Time
Video: Glucose anabolism reactions: Glycogenolysis and Gluconeogenesis

For a complete list of videos, visit our video library