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Author Question: What is the coefficient for iron after the following reaction is balanced? Fe + O2 Fe2O3 A) 1 ... (Read 53 times)

Beheh

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on: Aug 27, 2018
What is the coefficient for iron after the following reaction is balanced?
 
  Fe + O2  Fe2O3
  A) 1
  B) 3
  C) 4
  D) 6

Question 2

A nonpolar covalent bond will form between atoms that have an electronegativity difference of
 
  A) < 0.5.
  B) between 0.5 and 1.5.
  C) between 1.0 and 2.0.
  D) > 2.0.


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cloudre37

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

C

Answer to Question 2

A


Beheh

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  • Posts: 520
Reply 2 on: Aug 27, 2018
Gracias!

Sarahjh

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Reply 3 on: Yesterday
Wow, this really help

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