Balancing and Chemical Reactions

What are the coefficients that will balance the skeleton equation below?

__Na + __F₂ → __NaF

• 1, 2, 1

• 2, 1, 2

• 1,1,1

• 2,2,2

What are the coefficients that will balance the skeleton equation below?

__Na + __MgF₂ → __NaF + __Mg

• 2,1,1,2

• 1,2,1,2,

• 2, 1, 2, 1

• 1,2,2,1

What are the coefficients that will balance the skeleton equation below?

___N₂ + __H₂ → __NH₃

• 1,3,2

• 1,2,3

• 3,2,1

• 1,2,1

Combining substances to form a new substance

• Displacement
• Synthesis
• Decomposition
• Oxidation

Breaking down a substance into simpler substances

• Displacement
• Synthesis
• Decomposition
• Oxidation

What type of reaction is the equation C + O₂ → CO₂?

• Synthesis Reaction
• Decomposition Reaction
• Single Displacement Reaction
• Double Displacement Reaction

What type of reaction is the equation 2NaCl →2Na +Cl₂?

• Synthesis Reaction
• Decomposition Reaction
• Single Displacement Reaction
• Double Displacement Reaction

Ca₃(PO₄)2 + 3 H₂SO₄ ----> 3 CaSO₄ + 2 H₃(PO₄)

• Synthesis Reaction
• Decomposition Reaction
• Single Displacement Reaction
• Double Displacement Reaction

Fill in the blank. (Copper has a charge of 2+)

Cu+ AgNO₃ → Ag + _____

• Cu(NO₃)₂

• CuNO₃

• CuAg

• Cu

Predict the products of this synthesis reaction: H₂ + Cl₂ →

• HCl

• H₂Cl₂

• H₂Cl

• HCl₂