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Chapter 1: Problem 91

True or false? The melting point and freezing point of water are the same temperature at normal atmospheric pressure.

Short Answer

Expert verified
True. The melting point and freezing point of water are both at 0 degrees Celsius (32 degrees Fahrenheit) at normal atmospheric pressure, which is approximately 1 atmosphere (atm) or 101.3 kilopascals (kPa).

Step by step solution

01

Define Melting Point

The melting point is the temperature at which a substance changes from its solid state to its liquid state.
02

Define Freezing Point

The freezing point is the temperature at which a substance changes from its liquid state to its solid state.
03

Normal Atmospheric Pressure

Normal atmospheric pressure is the pressure at sea level, which is approximately 1 atmosphere (atm) or 101.3 kilopascals (kPa).
04

Melting Point and Freezing Point of Water at Normal Atmospheric Pressure

At normal atmospheric pressure, the melting point and freezing point of water are both at 0 degrees Celsius (32 degrees Fahrenheit).
05

Conclusion

Based on the information presented, the statement is true: The melting point and freezing point of water are indeed the same temperature at normal atmospheric pressure.

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