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Question 21N.1A.SL.TZ0.10

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Date November 2021 Marks available [Maximum mark: 1] Reference code 21N.1A.SL.TZ0.10
Level SL Paper 1A Time zone TZ0
Command term Question number 10 Adapted from N/A
10.
[Maximum mark: 1]
21N.1A.SL.TZ0.10

A liquid is vaporized to a gas at a constant temperature.

Three quantities of the substance are the

I.   total intermolecular potential energy
II.  root mean square speed of the molecules
III. average distance between the molecules.

Which quantities are greater for the substance in the gas phase compared to the liquid phase?


A.  I and II only

B.  I and III only

C.  II and III only

D.  I, II and III

[1]

Markscheme

B

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