Photon336
  • Photon336
At a given temperature, the vapor pressure of liquid A is greater than the vapor pressure of liquid B. All of the following are true about liquid A except? Liquid A has a higher boiling point Liquid A has a lower boiling point liquid A has weaker intermolecular forces than liquid B. The freezing point of liquid A is lower than that of liquid B.
Chemistry
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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matt101
  • matt101
The first two answers are exact opposites, so one must be wrong. That means the second two answers must be right and we don't to worry about them. A liquid boils when its vapor pressure matches atmospheric (or ambient) pressure. As you increase the temperature of a liquid, its vapor pressure increases, since the additional energy allows more particles to escape from the liquid phase. If Liquid A has a higher vapor pressure than Liquid B at a given temperature, it will boil sooner for this reason. That means Liquid A has the lower boiling point, and option A above is wrong.
Photon336
  • Photon336
@matt101 Does that also have to do with intermolecular forces as well? b/c a liquid with weaker IMF would mean more molecules would escape into the gaseous phase sooner meaning higher vapor pressure. I guess that's how i thought of it. wouldn't weaker IMF imply higher vapor pressure?
Photon336
  • Photon336
ah wait.. sorry

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Photon336
  • Photon336
it said all of the following EXCEPT so that means that i'm looking for the answer that's wrong.
Photon336
  • Photon336
Thank you

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