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Some water is placed in a sealed glass container connected to a vacuum pump (a device used to pump gases from a container), and the pump is turned on. The water appears to boil and then freezes. Explain these changes using the phase diagram for water. What would happen to the ice if the vacuum pump was left on indefinitely?
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Chemistry: An Atoms First Approach
2nd Edition
Steven S. Zumdahl + 1 other
Publisher: Cengage Learning
ISBN: 9781305079243
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Chapter
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BuyFindarrow_forward
Chemistry: An Atoms First Approach
2nd Edition
Steven S. Zumdahl + 1 other
Publisher: Cengage Learning
ISBN: 9781305079243
Chapter 9, Problem 143CP
Textbook Problem
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Some water is placed in a sealed glass container connected to a vacuum pump (a device used to pump gases from a container), and the pump is turned on. The water appears to boil and then freezes. Explain these changes using the phase diagram for water. What would happen to the ice if the vacuum pump was left on indefinitely?
Interpretation Introduction
Interpretation:
The changes happening to the water in a glass container that is connected to a high vacuum pump has to be explained by using phase diagram.
Concept introduction:
Phase diagram:
Under different temperature and pressure, physical states of the substance that are represented in graph are known as phase diagram. The temperature represents in X-axis and pressure in Y-axis.
Triple point:
For given substance, three phases (solid, liquid and gas) are coexisting in thermodynamic equilibrium at particular temperature and pressure.
Critical point:
In the phase diagram, a point the substance having indistinguishable density of both liquid and gaseous states is known as critical point.
Explanation of Solution
Explanation
From the above phase diagram (Figure.1), the pressure is get reduced by, when the vacuum pump is switch on therefore the water in the sealed container is boiled hence, the water is moves
Chapter 9 Solutions
Chemistry: An Atoms First Approach
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