Why do reaction rates depend on temperature ? Explain.

Explanation

### Step-by-Step Solution:

1. **Understanding Reaction Rate**: The rate of a chemical reaction is determined by how frequently reactant molecules collide with each other. For a reaction to occur, these molecules must collide with sufficient energy.

**Hint**: Remember that collisions are essential for reactions to happen.

2. **Role of Temperature**: Temperature is a measure of the average kinetic energy of molecules. When the temperature increases, the kinetic energy of the molecules also increases.

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