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

Author Question: All other variables equal, humid air is less dense than drier air because: A) water molecules are ... (Read 78 times)

leilurhhh

  • Hero Member
  • *****
  • Posts: 560
on: Jul 14, 2018
All other variables equal, humid air is less dense than drier air because:
 
  A) water molecules are negatively charged and thus repel other molecules.
  B) the molecular weight of water is less than that of either diatomic oxygen or diatomic nitrogen.
  C) some of the water in humid air will condense, and the latent heat released will expand the air.
  D) water molecules have a lower average velocity than does diatomic nitrogen.

Question 2

Aneroid barometers are so called because:
 
  A) they use aneroids to measure air pressure.
  B) they measure air pressure without using a liquid.
  C) they are a hybrid pressure measuring device.
  D) None of the above. There is no such thing as an aneroid barometer.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

scrocafella

  • Sr. Member
  • ****
  • Posts: 346
Reply #1 on: Jul 14, 2018
Answer to Question 1

Answer: B

Answer to Question 2

Answer: B


leilurhhh

  • Member
  • Posts: 560
Reply 2 on: Jul 14, 2018
Gracias!

amynguyen1221

  • Member
  • Posts: 355
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

Eating food that has been cooked with poppy seeds may cause you to fail a drug screening test, because the seeds contain enough opiate alkaloids to register as a positive.

Did you know?

Alzheimer's disease affects only about 10% of people older than 65 years of age. Most forms of decreased mental function and dementia are caused by disuse (letting the mind get lazy).

Did you know?

It is believed that humans initially contracted crabs from gorillas about 3 million years ago from either sleeping in gorilla nests or eating the apes.

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?

Glaucoma is a leading cause of blindness. As of yet, there is no cure. Everyone is at risk, and there may be no warning signs. It is six to eight times more common in African Americans than in whites. The best and most effective way to detect glaucoma is to receive a dilated eye examination.

Artist's conception of the birth of a star within a dense molecular cloud. Artist's conception of the birth of a star within a dense molecular cloud.
Layers of Rock Laid Down by Water Layers of Rock Laid Down by Water
Movement of Water in the World Ocean Movement of Water in the World Ocean
Air pressure under water Air pressure under water
Your Body Is Mostly Water Your Body Is Mostly Water
Cohesion–tension theory of water transport in vascular plants Cohesion–tension theory of water transport in vascular plants
Video: Parathyroid hormone (bone resorption) & Calcitonin (bone deposition)

For a complete list of videos, visit our video library