Write the chemical equations for the following reactions :
Sulphur dioxide + Oxygen `to` Sulphur trioxide

Explanation

To write the chemical equation for the reaction of sulfur dioxide with oxygen to form sulfur trioxide, follow these steps:

### Step 1: Identify the Reactants
The reactants in this reaction are sulfur dioxide and oxygen.
- Sulfur dioxide is represented as \( \text{SO}_2 \).
- Oxygen is represented as \( \text{O}_2 \).

### Step 2: Identify the Product
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