At room temperature, the vapor pressure pattern of the following compounds is > C,H16 > C,H;OH H3C° `CH3 acetone ethanol heptane 100 g/mol 58 g/mol 46 g/mol Which one of the following statements is FALSE: a substance with lower vapor pressure is held together by stronger binding forces. b. ethanol has the lowest vapor pressure, and London force explains why. ethanol has the lowest vapor pressure, and hydrogen bonding explains why, even though it has the weakest London force. а. с. d. The reason that heptane has a lower vapor pressure than acetone is because heptane is heavier and has substantially greater London dispersion force, even though acetone has dipole-dipole interactions in its favor.
At room temperature, the vapor pressure pattern of the following compounds is > C,H16 > C,H;OH H3C° `CH3 acetone ethanol heptane 100 g/mol 58 g/mol 46 g/mol Which one of the following statements is FALSE: a substance with lower vapor pressure is held together by stronger binding forces. b. ethanol has the lowest vapor pressure, and London force explains why. ethanol has the lowest vapor pressure, and hydrogen bonding explains why, even though it has the weakest London force. а. с. d. The reason that heptane has a lower vapor pressure than acetone is because heptane is heavier and has substantially greater London dispersion force, even though acetone has dipole-dipole interactions in its favor.
Chemistry for Engineering Students
4th Edition
ISBN:9781337398909
Author:Lawrence S. Brown, Tom Holme
Publisher:Lawrence S. Brown, Tom Holme
Chapter8: Molecules And Materials
Section: Chapter Questions
Problem 8.87PAE: 8.87 Use the vapor pressure curves illustrated here to answer the questions that follow. (a) What is...
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Transcribed Image Text:At room temperature, the vapor pressure pattern of the following compounds is
C,H16
СНОН
H3C
`CH3
acetone
ethanol
heptane
100 g/mol
58 g/mol
46 g/mol
Which one of the following statements is FALSE:
а.
a substance with lower vapor pressure is held together by stronger binding forces.
b.
ethanol has the lowest vapor pressure, and London force explains why.
с.
ethanol has the lowest vapor pressure, and hydrogen bonding explains why, even though it has the weakest London
force.
d. The reason that heptane has a lower vapor pressure than acetone is because heptane is heavier and has substantially
greater London dispersion force, even though acetone has dipole-dipole interactions in its favor.
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