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

Author Question: Why is the air over an open flame always moist? A) The hot flame vaporizes the water in the air ... (Read 311 times)

Hungry!

  • Hero Member
  • *****
  • Posts: 1,071
on: Jul 29, 2018
Why is the air over an open flame always moist?
 
  A) The hot flame vaporizes the water in the air above the flame.
  B) One of the products of combustion is water vapor.
  C) Warm air contains more humidity than cold air.
  D) None of the above is true.

Question 2

How many electrons are transferred from iron atoms to oxygen atoms in the formation of two molecules of iron hydroxide, Fe(OH)2?
 
  A) 4 electrons
  B) 8 electrons
  C) 16 electrons
  D) 12 electrons


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

dlook33

  • Sr. Member
  • ****
  • Posts: 344
Reply #1 on: Jul 29, 2018
Answer to Question 1

Answer: B

Answer to Question 2

Answer: A


Hungry!

  • Member
  • Posts: 1,071
Reply 2 on: Jul 29, 2018
Gracias!

tuate

  • Member
  • Posts: 332
Reply 3 on: Yesterday
:D TYSM

« previous next »
 

Did you know?

Autoimmune diseases occur when the immune system destroys its own healthy tissues. When this occurs, white blood cells cannot distinguish between pathogens and normal cells.

Did you know?

The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.

Did you know?

Egg cells are about the size of a grain of sand. They are formed inside of a female's ovaries before she is even born.

Did you know?

Only one in 10 cancer deaths is caused by the primary tumor. The vast majority of cancer mortality is caused by cells breaking away from the main tumor and metastasizing to other parts of the body, such as the brain, bones, or liver.

Did you know?

Blood in the urine can be a sign of a kidney stone, glomerulonephritis, or other kidney problems.

Cheetah at the Werribee Open Range Zoo Cheetah at the Werribee Open Range Zoo
(A) Closed (or simple) fracture and (B) open (or compound) fracture. (A) Closed (or simple) fracture and (B) open (or compound) fracture.
Water Mite Water Mite
Mixting Hot Cold water Mixting Hot Cold water
OPEN GLOVING 1 OPEN GLOVING 1
Annual Water Use in the United States Annual Water Use in the United States
Video: Condensation and Hydrolysis Animation

For a complete list of videos, visit our video library