5. Write the following equations and balance them
a. Magnesium and oxygen reaction
c. Sulphur dioxide and water reaction
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5. Write the following equations and balance them
a. Magnesium and oxygen reaction
c. Sulphur dioxide and water reaction
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Verified answer
Step 1 : magnesium + oxygen → magnesium oxide
Step 2 : Mg + O2 → MgO
Step 3 : Reactants: 1 × Mg, 2 × O
products: 1 × Mg, 1 × O (Not balanced)
Step 4 : Mg + O2 → 2MgO
Step 3 (repeat) reactants: 1 × Mg, 2 × O
products: 2 × Mg, 2 × O (Not balanced)
Step 4 (repeat) : 2Mg + O2 → 2MgO
Step 3 (repeat)reactants: 2 × Mg, 2 × O
products: 2 × Mg, 2 × O This chemical equation is now balanced.