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Author Question: Why is the air over an open flame always moist? A) The hot flame vaporizes the water in the air ... (Read 278 times)

Hungry!

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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


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dlook33

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Reply #1 on: Jul 29, 2018
Answer to Question 1

Answer: B

Answer to Question 2

Answer: A


Hungry!

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Reply 2 on: Jul 29, 2018
YES! Correct, THANKS for helping me on my review

juliaf

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Reply 3 on: Yesterday
Gracias!

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