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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 338 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
Gracias!

frankwu0507

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Reply 3 on: Yesterday
Wow, this really help

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