A Beaker of Water at 20 °C Is Placed in a Closed

question 92

Multiple Choice

A beaker of water at 20 °C is placed in a closed container and a vacuum pump is used to evacuate the air in the container.Why does the water begin to boil?

• A)The atmospheric pressure is reduced.
• B)The vapor pressure increases.
• C)The vapor pressure decreases.
• D)Air is released from the water.
• E)none of the above

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