Computer Applications
The melting point of naphthalene is 80° C and the room temperature is 25°. A sample of liquid naphthalene at 90° is cooled down to room temperature. Draw a temperature-time graph to represent this cooling. On the graph mark the region which corresponds to the freezing process.
Calorimetry
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Answer
Temperature-time graph representing the cooling of naphthalene from 90°C to room temperature of 25°C is shown below:
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