Bomb calorimeter is used to determine the value of ...............

Explanation

### Step-by-Step Solution:

1. **Understanding the Bomb Calorimeter**:
A bomb calorimeter is an instrument used to measure the heat of combustion of a substance. It consists of a strong, sealed container (the bomb) that can withstand high pressure.

2. **Combustion Reactions**:
Combustion reactions occur when a substance is burned in the presence of excess oxygen, producing products such as carbon dioxide and water.

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