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DerKrebs [107]
3 years ago
11

Consider the following two substances and their vapor pressures at 298 K. Substance Vapor pressure (mmHg) A 275 B 459 Based on t

his information, compare the characteristics of the two substances.Drag each item to the appropriate bin.
a) is a gas at 300 mmhg.
b) has a higher boiling point.
c) has weaker inter-moelcular forces.
d) has a higher heat of vaporization.
Chemistry
1 answer:
spin [16.1K]3 years ago
6 0

Answer:

a) B

b) A

c) B

d) A

Explanation:

If the strength of an inter-molecular force increases, then

vapour pressure decreases and boiling point increases

  • Hence, B is a gas at 300 mmHg due to its low boiling point
  • A has a higher boiling point because of its strong inter-molecular forces
  • B has weaker inter-molecular forces due to its higher vapour pressure
  • A has higher heat of vaporization, because it has strong inter-molecular forces
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