Balancing and Types of Rxns

What type of reaction is the following: C3H8 + 5O2 -> 3CO2 + 4H2O?

• Combustion reaction

• Decomposition reaction

• Synthesis reaction

• Single displacement reaction

What type of reaction is the following: 2H2O2 -> 2H2O + O2?

• Synthesis reaction

• Combustion reaction

• Decomposition reaction

• Single displacement reaction

What is the general form of a decomposition reaction?

• B -> A + AB

• AB -> A + B

• A -> AB + B

• A + B -> AB

What is the key characteristic of a double displacement reaction?

• Atoms combine to form new compounds

• A metal displaces a less reactive metal from its compound

• Positive and negative ions of two ionic compounds switch places

• A single reactant breaks down into two or more products

What type of reaction is the following: Fe + CuSO4 -> FeSO4 + Cu?

• Combustion reaction

• Decomposition reaction

• Double replacement reaction

• Single replacement reaction

Cr + S₈ → Cr₂S₃

• Sythesis

• Decomposition

• Single replacement

• Double replacement

• Combustion

CH₃OH  +  O₂ → CO₂  +  H₂O

• Sythesis

• Decomposition

• Single replacement

• Double replacement

• Combustion

Li₂O +H₂O → LiOH

• Sythesis

• Decomposition

• Single replacement

• Double replacement

• Combustion

Ba(HCO₃)₂   → BaCO₃  + CO₂ + H₂O

• Sythesis

• Decomposition

• Single replacement

• Double replacement

• Combustion

What type of reaction is Zn + HCl → H₂ + ZnCl₂

• Synthesis

• Decomposition

• Single Replacement

• Combustion

• None of these