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Author Question: Balance the equation: Fe + O2 Fe2O3 What will be an ideal ... (Read 52 times)

DelorasTo

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on: Aug 27, 2018
Balance the equation: Fe + O2  Fe2O3
 
  What will be an ideal response?

Question 2

14 g of nitrogen will yield ________ g of nitrogen dioxide.
 
  N2 + 2 O2  2 NO2
  A) 23
  B) 46
  C) 92
  D) 194

Question 3

Why is HF in water considered a weakly acidic solution, while HCl and HBr in water are considered strongly acidic solutions?
 
  A) HF does not dissolve in water.
  B) HF only partially dissociates into ions in water.
  C) HF has a weak conjugate base, .
  D) Both B and C are correct.


gstein359

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Reply #1 on: Aug 27, 2018
Answer to Question 1

4 Fe + 3 O2  2 Fe2O3

Answer to Question 2

B

Answer to Question 3

B


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