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Question
Write the skeleton equation for the following word equation and then balance them.
- Carbon + Oxygen → Carbon dioxide.
- Phosphorus + Chlorine → Phosphorus pentachloride.
- Sulphur + Oxygen → Sulphur dioxide.
- Magnesium + hydrogen → Magnesium + Hydrogen chloride chloride.
Solution
- Balanced equation:
- C + O2 → CO2
- P4 + 10 Cl2 → 4PCl5
- S + O2 → SO2
- Mg + 2HCl → MgCl2 + H2
- Skeleton equation:
- C + O2 → CO2
- P + Cl2 → PCl5
- S + O2 → SO2
- Mg + 2HCl → MgCl2 + H2
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