Question

Question 5
Balance the following the chemical equation:

Mg + O2 → MgO

Blank 1:
Blank 2:
Blank 3:
Question 6
Balance the following the chemical equation:

Al + O2 → Al2O3

Blank 1:
Blank 2:
Blank 3:
Question 7
Balance the following the chemical equation:

MgO + CaS → MgS + CaO

Blank 1:
Blank 2:
Blank 3:
Blank 4:
Question 8
Balance the following the chemical equation:

N2 + O2 → NO

Blank 1:
Blank 2:
Blank 3:
Question 9
Balance the following the chemical equation:

Ti3N + MgO → Mg3N2 + Ti2O

Blank 1:
Blank 2:
Blank 3:
Blank 4:

Answer 1

Let's balance each of the provided chemical equations step by step.

### Question 5
**Equation**: Mg + O2 → MgO

**Balanced Equation**: 2 Mg + O2 → 2 MgO

- **Blank 1**: 2
- **Blank 2**: 1
- **Blank 3**: 2

### Question 6
**Equation**: Al + O2 → Al2O3

**Balanced Equation**: 4 Al + 3 O2 → 2 Al2O3

- **Blank 1**: 4
- **Blank 2**: 3
- **Blank 3**: 2

### Question 7
**Equation**: MgO + CaS → MgS + CaO

**Balanced Equation**: MgO + CaS → MgS + CaO

The equation is already balanced as written.

- **Blank 1**: 1
- **Blank 2**: 1
- **Blank 3**: 1
- **Blank 4**: 1

### Question 8
**Equation**: N2 + O2 → NO

**Balanced Equation**: N2 + O2 → 2 NO

- **Blank 1**: 1
- **Blank 2**: 1
- **Blank 3**: 2

### Question 9
**Equation**: Ti3N + MgO → Mg3N2 + Ti2O

**Balanced Equation**: 3 Ti3N + 6 MgO → 2 Mg3N2 + 6 Ti2O

- **Blank 1**: 3
- **Blank 2**: 6
- **Blank 3**: 2
- **Blank 4**: 6

These are the balanced equations and the respective coefficients to fill in the blanks.