Question

III Mg + P → K + O2 → v N2+ O2 → III II Fe + S → Zn2C2 + O2 → C7H8+ O2 →

Answer 1

3Mg + 2P → Mg3P2

4K + O2 → 2K2O

2N2 + 5O2 → 2N2O5

2Fe + 3S → Fe2S3

2ZnC2 + 5O2 → 2ZnO + 4CO2

C7H8 + 9O2 → 7CO2 + 4H2O

Answer 2

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