Chemical Reactions and Balancing Quiz unit 9

What is conserved in a balanced chemical equation?

Balanced equations must satisfy what law?

In a combustion reaction, one of the reactants is always _________?

Balance the following equation: Cu(NO₃)₂ + NaOH → Cu(OH)₂ + NaNO₃

Balance the following equation: Mg + AgNO₃ → Ag + Mg(NO₃)₂

Balance the following equation: C₂H₆ + O₂ → CO₂ + H₂O

Copper (II) sulfide reacts with oxygen gas to produce copper (II) oxide and sulfur dioxide. Reaction: CuS + O₂ → CuO + SO₂

Identify the reaction type: Cu(NO₃)₂ + NaOH → Cu(OH)₂ + NaNO₃

Identify the reaction type: Mg + AgNO₃ → Ag + Mg(NO₃)₂

Identify the reaction type: C₂H₆ + O₂ → CO₂ + H₂O