Liquid Sample A has a higher vapor pressure than liquid Sample B (both in closed containers). What can be said about Sample A compared with Sample B? a. The liquid in Sample A vaporizes more easily than in Sample B. b. The molecules in Sample A have less kinetic energy than in Sample B. c. The liquid molecules in Sample A have greater intermolecular forces than in Sample B. d. If Samples A and B are the same liquid, Sample A is at a lower temperature than Sample B.

Question

Chemistry

Aylin Middleton

7 March, 23:26

Liquid Sample A has a higher vapor pressure than liquid Sample B (both in closed containers). What can be said about Sample A compared with Sample B? a. The liquid in Sample A vaporizes more easily than in Sample B. b. The molecules in Sample A have less kinetic energy than in Sample B. c. The liquid molecules in Sample A have greater intermolecular forces than in Sample B. d. If Samples A and B are the same liquid, Sample A is at a lower temperature than Sample B.

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Answers (1)

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Kamila Riddle · Answer 1

Answer: Option (A) is the correct answer.

Explanation:

Vapor pressure is defined as the pressure exerted by vapors or gas on the surface of a liquid.

More is the vapor pressure of a substance more will be the kinetic energy present within the molecules of a substance. As a result, weaker will be the intermolecular forces present within a substance.

Hence, more readily the substance will change into vapor state. As in the given situation liquid sample A has a higher vapor pressure than liquid sample B. So, liquid sample A will vaporize readily.

Thus, we can conclude it can be said about Sample A compared with Sample B that the liquid in Sample A vaporizes more easily than in Sample B.