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Use vapor pressure. A student leaving campus for spring break wants to make sure the air in his dorm room has a high water vapor pressure so that his plants are comfortable. The dorm room measures 3.53 m x 4.98 m x 3.91 m and the student places a pan containing 1.85 L of water in the room. Assume that the room is airtight, that there is no water vapor in the air when he closes the door, and that the temperature remains a constant 21 °C. The vapor pressure of water at 21 °C is 18.7 mm Hg. (a) Calculate the pressure that the water vapor would exert if all of the liquid water evaporated. mm Hg (b) Will all of the water in the pan evaporate? yes no

Use vapor pressure. A student leaving campus for spring break wants to make sure the air in his dorm room has a high water vapor pressure so that his plants are comfortable. The dorm room measures 3.53 m x 4.98 m x 3.91 m and the student places a pan containing 1.85 L of water in the room. Assume that the room is airtight, that there is no water vapor in the air when he closes the door, and that the temperature remains a constant 21 °C. The vapor pressure of water at 21 °C is 18.7 mm Hg. (a) Calculate the pressure that the water vapor would exert if all of the liquid water evaporated. mm Hg (b) Will all of the water in the pan evaporate? yes no

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Use vapor pressure. A student leaving campus for spring break wants to make sure the air in his dorm room has a high water vapor pressure so that his plants are comfortable. The dorm room measures 3.53 m x 4.98 m x 3.91 m and the student places a pan containing 1.85 L of water in the room. Assume that the room is airtight, that there is no water vapor in the air when he closes the door, and that the temperature remains a constant 21 °C. The vapor pressure of water at 21 °C is 18.7 mm Hg. (a) Calculate the pressure that the water vapor would exert if all of the liquid water evaporated. mm Hg (b) Will all of the water in the pan evaporate? yes no V
Transcribed Image Text:Use vapor pressure. A student leaving campus for spring break wants to make sure the air in his dorm room has a high water vapor pressure so that his plants are comfortable. The dorm room measures 3.53 m x 4.98 m x 3.91 m and the student places a pan containing 1.85 L of water in the room. Assume that the room is airtight, that there is no water vapor in the air when he closes the door, and that the temperature remains a constant 21 °C. The vapor pressure of water at 21 °C is 18.7 mm Hg. (a) Calculate the pressure that the water vapor would exert if all of the liquid water evaporated. mm Hg (b) Will all of the water in the pan evaporate? yes no V
Use the two-point version of the Clausius-Clapeyron equation. The vapor pressure of liquid lead is 400. mm Hg at 1.90x10³ K. Assuming that AHvap for Pb (181 kJ/mol) does not change significantly with temperature, calculate the vapor pressure of liquid Pb at 1.92×10³ K. mm Hg
Transcribed Image Text:Use the two-point version of the Clausius-Clapeyron equation. The vapor pressure of liquid lead is 400. mm Hg at 1.90x10³ K. Assuming that AHvap for Pb (181 kJ/mol) does not change significantly with temperature, calculate the vapor pressure of liquid Pb at 1.92×10³ K. mm Hg
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