Balancing equations

What are the correct co-efficients for the following equation? NaN₃ --> Na₃N + N₂

What is the right part of a chemical equation called...
2H_{2 +} O₂ --> 2H₂O

• Reactants
• Products 
• Yields 
• Chemical Equation 

Balance this equation

_Al +_HCl --> _H₂ +_AlCl₃

• 2,6,3,2

• it's already balanced

• 4,12,3,4

• 2,1,4,5

What is the little number after an element in a chemical equation called.
Example: H₂

• Coefficient 
• Subscript
• Atom
• Equation

Is this equation balanced?

N₂ + O₂ --> N₂O₂

• No

• Yes

This is used to represent the amount of each atom in a molecule. What is the arrow pointing to?

• Exponent
• Coefficient
• Molecule
• Subscript

What are the correct co-efficient for the following equation when balanced? P + O₂ --> P₂O₅

What are the correct coefficients for the following when balanced? PBr₃ --> P₄ + Br₂

What are the correct coefficients for this equation when balanced? H₂SO₄ + NaOH --> H₂O + Na₂SO₄

Match the following

a

b

c

d

Subscript

Element

Yield

Coefficient