ANSWER KEY BLM 2-18, Balancing Chemical Equations 1. Skeleton equation: Fe + S → Balanced equation: Fe + S → 2. Skeleton equation: Ca + O2 CaO2 → Balanced equation: 2Ca + O2 2CaO → 3. Skeleton equation: CaO + CO2 CaCO3 → Balanced equation: CaO + CO2 CaCO3 → 4. Skeleton equation: CuO2 Cu + O2 → Balanced equation: 2CuO 2Cu + O2 → 5. Skeleton equation: + K2SO4 BaSO4 + KCl → Balanced equation: BaCl2 + K2SO4 BaSO4 + 2KCl → 6. Skeleton equation: K + H2O KOH + H2 → Balanced equation: 4K + 4H2O 4KOH + 2H2 →
ANSWER KEY BLM 2-18, Balancing Chemical Equations 1. Skeleton equation: Fe + S → Balanced equation: Fe + S → 2. Skeleton equation: Ca + O2 → CaO2 Balanced equation: 2Ca + O2 → 2CaO 3. Skeleton equation: CaO + CO2 → CaCO3 Balanced equation: CaO + CO2 → CaCO3 4. Skeleton equation: CuO2 → Cu + O2 Balanced equation: 2CuO → 2Cu + O2 5. Skeleton equation: + K2SO4 → BaSO4 + KCl Balanced equation: BaCl2 + K2SO4 → BaSO4 + 2KCl 6. Skeleton equation: K + H2O → KOH + H2 Balanced equation: 4K + 4H2O → 4KOH + 2H2
09._balancing_chemical_equations.docx