Homework Answers
The vapor pressure of a liquid is the pressure exerted by vapors of liquid on the surface of liquid when equilibrium is attained between liquid and its vapor.
There are some properties which affect the vapor pressure of liquid such as temperature and intermolecular forces.
Vapor pressure is independent of humidity.
Vapor pressure is independent of volume.
Intermolecular forces are the forces that hold two or more atoms in a molecule. If the intermolecular forces are strong then vapor pressure is relatively low and if the intermolecular forces are weak then vapor pressure is high.
As the temperature increases, vapor pressure of the liquid increases.
Vapor pressure is independent of surface area.
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For liquids, which of the following factors affect vapor pressure? Check all that apply.
9) Which of the following liquids will exhibit the highest vapor pressure? A) H20, bp =...
9) Which of the following liquids will exhibit the highest vapor pressure? A) H20, bp = 100°C B) Brz, bp = 58.8°C C) CH3OH, bp = 64.7°C D) All exhibit the same vapor pressure.
Assume all of the following are liquids. Which has the highest vapor pressure? O A. CH3C(O)CH3...
Assume all of the following are liquids. Which has the highest vapor pressure? O A. CH3C(O)CH3 B. CH3CH2OH OC.CH3CH3 D. not enough information E. CH4
"Vapor Pressure of Water" assignment: VAPOR PRESSURE OF WATER INTRODUCTION All liquids exist in equilibrium with...
"Vapor Pressure of Water" assignment:
VAPOR PRESSURE OF WATER INTRODUCTION All liquids exist in equilibrium with the vapor state. As temperature increases, this equilibrium shifts more and more in favor of the vapor until one reaches the boiling point, at which all liquid is converted to gas. The pressure exerted by the vapor over the liquid is known as its vapor pressure and is a function of temperature. Boiling occurs at the temperature at which the vapor pressure is equal...
Inis grapn snows now the vapor pressure of three liquids vanes with temperature: vapor pressure, torr...
Inis grapn snows now the vapor pressure of three liquids vanes with temperature: vapor pressure, torr - methanol - isopropyl acetate - isopropyl alcohol temperature, .C Use the graph to answer the following questions: most volatile: Which liquid is the most volatile? Which is the least volatile? choose one choose one least volatile: What is the normal boiling point of each liquid? Note: your answer must be within 1°C of the exact answer to be graded correct. methanol: isopropyl acetate:...
Based only on intermolecular attraction, predict which of the following liquids has the highest vapor pressure....
Based only on intermolecular attraction, predict which of the following liquids has the highest vapor pressure. Question 14 options: CH3-CO-OH CH3-CH2-CH2-Cl CH3-CH2-CH2-CH2-CH3 CH3-CH2-S-CH3
Which of the following factors can be defined as dummy variables? Check all that apply. Marital...
Which of the following factors can be defined as dummy variables? Check all that apply. Marital status House ownership Wage Detroit residency ECONOMETRICS
This graph shows how the vapor pressure of three liquids varies with temperature: vapor pressure, torr...
This graph shows how the vapor pressure of three liquids varies with temperature: vapor pressure, torr isobutyl alcohol octane acetic acid temperature, "c Use the graph to answer the following questions: most volatile: choose one Which liquid is the most volatile? Which is the least volatile? laat wala Phancen = Relating vapor pressure to vaporization vapor pressure - isobutyl alcohol -octane -acetic acid temperature, "c Use the graph to answer the following questions: most volatile: choose one Which liquid is...
The following liquids have about the same molar mass. The vapor pressure of each was measured...
The following liquids have about the same molar mass. The vapor pressure of each was measured in the open-ended manometer shown below, in which the height of the mercury is measured. Arrange the liquids in order of decreasing height of the mercury column, designated as h in the image. 1 = largest height: 4 = smallest height [Select] CH3CHCH2CH3 CH3 [Select ] CH2CH2CH2CH2CH2 [Select] CH3CH2CH2CH2OH [Select] CH2CH2CHOCHZ
O GASES, LIQUIDS AND SOLIDS Calculating enthalpy of vaporization from vapor pressure The vapor pressure of...
O GASES, LIQUIDS AND SOLIDS Calculating enthalpy of vaporization from vapor pressure The vapor pressure of Substance X is measured at several temperatures: temperature vapor pressure 18. °C 0.0720 atm 29. °C 0.153 atm 40. °C 0.307 atm Use this information to calculate the enthalpy of vaporization of X. Round your answer to 2 significant digits. Be sure your answer contains a correct unit symbol. xs ?
O GASES, LIQUIDS, AND SOLIDS Calculating enthalpy of vaporization from vapor pressure The vapor pressure of...
O GASES, LIQUIDS, AND SOLIDS Calculating enthalpy of vaporization from vapor pressure The vapor pressure of Substance X is measured at several temperatures: temperature vapor pressure 0.0799 atm 17. °C 32. °C 0.120 atm 0.172 atm 47. °C Use this information to calculate the enthalpy of vaporization of X. Round your answer to 2 significant digits. Be sure your answer contains a correct unit symbol. II
9) Which of the following liquids will exhibit the highest vapor pressure? A) H20, bp = 100°C B) Brz, bp = 58.8°C C) CH3OH, bp = 64.7°C D) All exhibit the same vapor pressure.
Assume all of the following are liquids. Which has the highest vapor pressure? O A. CH3C(O)CH3 B. CH3CH2OH OC.CH3CH3 D. not enough information E. CH4
"Vapor Pressure of Water" assignment:
VAPOR PRESSURE OF WATER INTRODUCTION All liquids exist in equilibrium with the vapor state. As temperature increases, this equilibrium shifts more and more in favor of the vapor until one reaches the boiling point, at which all liquid is converted to gas. The pressure exerted by the vapor over the liquid is known as its vapor pressure and is a function of temperature. Boiling occurs at the temperature at which the vapor pressure is equal...
Inis grapn snows now the vapor pressure of three liquids vanes with temperature: vapor pressure, torr - methanol - isopropyl acetate - isopropyl alcohol temperature, .C Use the graph to answer the following questions: most volatile: Which liquid is the most volatile? Which is the least volatile? choose one choose one least volatile: What is the normal boiling point of each liquid? Note: your answer must be within 1°C of the exact answer to be graded correct. methanol: isopropyl acetate:...
This graph shows how the vapor pressure of three liquids varies with temperature: vapor pressure, torr isobutyl alcohol octane acetic acid temperature, "c Use the graph to answer the following questions: most volatile: choose one Which liquid is the most volatile? Which is the least volatile? laat wala Phancen = Relating vapor pressure to vaporization vapor pressure - isobutyl alcohol -octane -acetic acid temperature, "c Use the graph to answer the following questions: most volatile: choose one Which liquid is...
The following liquids have about the same molar mass. The vapor pressure of each was measured in the open-ended manometer shown below, in which the height of the mercury is measured. Arrange the liquids in order of decreasing height of the mercury column, designated as h in the image. 1 = largest height: 4 = smallest height [Select] CH3CHCH2CH3 CH3 [Select ] CH2CH2CH2CH2CH2 [Select] CH3CH2CH2CH2OH [Select] CH2CH2CHOCHZ
O GASES, LIQUIDS AND SOLIDS Calculating enthalpy of vaporization from vapor pressure The vapor pressure of Substance X is measured at several temperatures: temperature vapor pressure 18. °C 0.0720 atm 29. °C 0.153 atm 40. °C 0.307 atm Use this information to calculate the enthalpy of vaporization of X. Round your answer to 2 significant digits. Be sure your answer contains a correct unit symbol. xs ?
O GASES, LIQUIDS, AND SOLIDS Calculating enthalpy of vaporization from vapor pressure The vapor pressure of Substance X is measured at several temperatures: temperature vapor pressure 0.0799 atm 17. °C 32. °C 0.120 atm 0.172 atm 47. °C Use this information to calculate the enthalpy of vaporization of X. Round your answer to 2 significant digits. Be sure your answer contains a correct unit symbol. II
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