Question

Допишіть рівняння реакції: FeO + O2 →Fe2O3 SiH4 + O2 →SiO2 + H2O Mn2O3 + O2 →MnO2 PH3 +O2 →P2O5 + H2O ZnS +O2 →ZnO +SO2

Answer 1

4FeO + O2 →2Fe2O3

SiH4 + 2O2 →SiO2 + 2H2O

2Mn2O3 + O2 →4MnO2

2PH3 +4O2 →P2O5 + 3H2O

2ZnS +3O2 →2ZnO +2SO2

Answer 2

Balancing Chemical Equations

To balance the chemical equations provided, we need to ensure that the same number of each type of atom is present on both sides of the equation.

1. Balancing the Equation for FeO + O2 → Fe2O3 - The unbalanced equation is: FeO + O2 → Fe2O3 - To balance it, we can use the following coefficients: 4FeO + O2 → 2Fe2O3 - Balanced Equation: 4FeO + O2 → 2Fe2O3

2. Balancing the Equation for SiH4 + O2 → SiO2 - The unbalanced equation is: SiH4 + O2 → SiO2 - To balance it, we can use the following coefficients: SiH4 + 2O2 → SiO2 + 2H2O - Balanced Equation: SiH4 + 2O2 → SiO2 + 2H2O

3. Balancing the Equation for Mn2O3 + O2 → MnO2 - The unbalanced equation is: Mn2O3 + O2 → MnO2 - To balance it, we can use the following coefficients: 2Mn2O3 + 3O2 → 4MnO2 - Balanced Equation: 2Mn2O3 + 3O2 → 4MnO2

4. Balancing the Equation for PH3 + O2 → P2O5 - The unbalanced equation is: PH3 + O2 → P2O5 - To balance it, we can use the following coefficients: 4PH3 + 5O2 → P4O10 + 6H2O - Balanced Equation: 4PH3 + 5O2 → P4O10 + 6H2O

5. Balancing the Equation for ZnS + O2 → ZnO + SO2 - The unbalanced equation is: ZnS + O2 → ZnO + SO2 - To balance it, we can use the following coefficients: 2ZnS + 3O2 → 2ZnO + 2SO2 - Balanced Equation: 2ZnS + 3O2 → 2ZnO + 2SO2

These balanced chemical equations represent the conservation of mass and atoms in the given chemical reactions.