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A sample of liquid water at atmospheric pressure has a

Chapter 17, Problem 54P

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QUESTION:

A sample of liquid water at atmospheric pressure has a temperature just above the freezing point. Refer to Figure 17–28 to answer the following questions. (a) What phase changes occur if the temperature of the system is increased while the pressure is held constant? (b) Suppose, instead, that the temperature of the system is held constant just above the freezing point while the pressure is decreased. What phase changes occur now?

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QUESTION:

A sample of liquid water at atmospheric pressure has a temperature just above the freezing point. Refer to Figure 17–28 to answer the following questions. (a) What phase changes occur if the temperature of the system is increased while the pressure is held constant? (b) Suppose, instead, that the temperature of the system is held constant just above the freezing point while the pressure is decreased. What phase changes occur now?

ANSWER:

Step 1 of 3

The phase diagram for water shows the pressures and temperatures for which water is in the solid, liquid, and vapor phases. The sample of water begins at atmospheric pressure just above the melting temperature.

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