Chemistry Exam Review

Ca + AlCl3 --> CaCl_{2 +} Al

• Synthesis (combination)
• Decomposition
• Single replacement
• Double replacement

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

C₃H₈ + O₂ --> H₂O + CO₂

• Synthesis (combination)
• Decomposition
• Single replacement
• Combustion

Mg + N₂ --> Mg₃N₂

• Synthesis (combination)
• Decomposition
• Single replacement
• Combustion

NO₂ --> N₂ + O₂

• Synthesis (combination)
• Decomposition
• Single replacement
• Combustion

Fe + H₂SO₄ --> Fe₂(SO₄)₃ + H₂

• Synthesis (combination)
• Decomposition
• Single replacement
• Combustion

C₃H₆O + O₂ --> CO₂ + H₂O 

• Synthesis (combination)
• Decomposition
• Single replacement
• Combustion

Balance this equation-
__P₄ + __O₂ --> __P₂O₃

• it is already balanced
• 2, 1, 3
• 1, 2, 3
• 1, 3, 2

Tags

NGSS.HS-PS1-7

Balance this equation.
_CF₄ + _Br₂ -- _CBr₄ + _F₂

• 2,1,2,1
• 1,2,2,1
• 1,2,1,2
• 2,2,2,2

Balance this equation
_N₂ + _H₂ --> _NH₃

• 1,2,3
• 1,3,2
• 1,1,2
• 2,1,1

Tags

NGSS.HS-PS1-7

Balance this equation.
_Mg + _Cl₂ --> _MgCl₂

• 1, 2,1
• already balanced
• 2,1,1
• 1,1,2

Tags

NGSS.HS-PS1-7