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

Author Question: Why does evaporation of a liquid also cool the gas above it? A) The departing gas molecule takes ... (Read 75 times)

burton19126

  • Hero Member
  • *****
  • Posts: 532
on: Aug 27, 2018
Why does evaporation of a liquid also cool the gas above it?
 
  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

What is a functional group?
 
  A) a set of atoms bonded together that give molecules containing them similar properties
  B) a group that adds function
  C) a group of hydrocarbons that can be used to make new materials
  D) a set of molecules that are grouped together to form a functional material
  E) none of the above


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

yasmin

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

D

Answer to Question 2

A


burton19126

  • Member
  • Posts: 532
Reply 2 on: Aug 27, 2018
Great answer, keep it coming :)

amcvicar

  • Member
  • Posts: 341
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

Patients who have undergone chemotherapy for the treatment of cancer often complain of a lack of mental focus; memory loss; and a general diminution in abilities such as multitasking, attention span, and general mental agility.

Did you know?

Russia has the highest death rate from cardiovascular disease followed by the Ukraine, Romania, Hungary, and Poland.

Did you know?

Atropine was named after the Greek goddess Atropos, the oldest and ugliest of the three sisters known as the Fates, who controlled the destiny of men.

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?

Stevens-Johnson syndrome and Toxic Epidermal Necrolysis syndrome are life-threatening reactions that can result in death. Complications include permanent blindness, dry-eye syndrome, lung damage, photophobia, asthma, chronic obstructive pulmonary disease, permanent loss of nail beds, scarring of mucous membranes, arthritis, and chronic fatigue syndrome. Many patients' pores scar shut, causing them to retain heat.

CLA Molecule CLA Molecule
Vapour-liquid equilibrium acetone + water Vapour-liquid equilibrium acetone + water
Water Vapor and Liquid Water Water Vapor and Liquid Water
The crystal structure of an IgG molecule from mouse The crystal structure of an IgG molecule from mouse
If you were recording the volume of liquid in the pipet depicted, what volume wo If you were recording the volume of liquid in the pipet depicted, what volume wo
Achiral Molecule with Multiple Stereocenters Achiral Molecule with Multiple Stereocenters
Video: Protein catabolism (Krebs cycle) and Protein anabolism (protein synthesis)

For a complete list of videos, visit our video library