Balancing and Classifying

What coefficient should be used to make the following equation balanced?
N₂+O₂--> _NO 

• 1
• 2
• 3
• 4

A + B --> AB

• synthesis
• decomposition
• single replacment
• double replacement

XY --> X + Y

• synthesis
• decomposition
• single replacement
• double replacement

AB + X --> XB + A

• synthesis
• decomposition
• single replacement
• double replacement

CH₄O₂ --> CO₂ + H₂O 

• single replacement
• double replacement
• decomposition
• combustion

Mg + HCl --> MgCl₂ + H₂

• combustion
• synthesis
• decomposition
• single replacement

Pb(NO₃)₂ + KI --> KNO₃ + PbI₂

• synthesis
• combustion
• single replacement
• double replacement

C₁₂H₂₂O₁₁ --> CO₂ + H₂0

• synthesis
• acid base
• decomposition
• acid base

Tags

NGSS.HS-PS1-7

Fe + O₂ --> Fe₂O₃

• synthesis
• decomposition
• combustion
• acid base

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Is this equation balanced?

• yes
• no
• Not enough information

Tags

NGSS.HS-PS1-7