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 98 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
Gracias!

chjcharjto14

  • Member
  • Posts: 342
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

Did you know?

Though the United States has largely rejected the metric system, it is used for currency, as in 100 pennies = 1 dollar. Previously, the British currency system was used, with measurements such as 12 pence to the shilling, and 20 shillings to the pound.

Did you know?

Bisphosphonates were first developed in the nineteenth century. They were first investigated for use in disorders of bone metabolism in the 1960s. They are now used clinically for the treatment of osteoporosis, Paget's disease, bone metastasis, multiple myeloma, and other conditions that feature bone fragility.

Did you know?

More than nineteen million Americans carry the factor V gene that causes blood clots, pulmonary embolism, and heart disease.

Did you know?

Children of people with alcoholism are more inclined to drink alcohol or use hard drugs. In fact, they are 400 times more likely to use hard drugs than those who do not have a family history of alcohol addiction.

Did you know?

Fewer than 10% of babies are born on their exact due dates, 50% are born within 1 week of the due date, and 90% are born within 2 weeks of the date.

Examples of energy Examples of energy
Bonding Partners and Energy May Change in a Chemical Reaction Bonding Partners and Energy May Change in a Chemical Reaction
Sources of Energy in the United States Sources of Energy in the United States
Three different ginkgo formulations: tablets, tea bags, and liquid extract. Three different ginkgo formulations: tablets, tea bags, and liquid extract.
Reaction 6: Generation of the First Energy-Rich Compound Reaction 6: Generation of the First Energy-Rich Compound
Water Molecule Water Molecule
Video: Steps of glucose catabolism

For a complete list of videos, visit our video library