Which molecule(s) can exhibit London forces? a) CH4 b) CHCl3 c) NF3 d) HF e) All

Question

Which molecule(s) can exhibit London forces?

a) CH4

b) CHCl3

c) NF3

d) HF

e) All of the molecules above can exhibit London forces.

Which molecule has the lowest surface tension?

Question 31 options:

Which processes are endothermic?
                 I. deposition
                 II. vaporization
                 III. sublimation
                 IV. condensation

Question 32 options:

a) b) c) d) Which molecule(s) can exhibit London forces? a) CH4 b) CHCl3 c) NF3 d) HF e) All of the molecules above can exhibit London forces. Which molecule has the lowest surface tension? Question 31 options: a) Which processes are endothermic? I. deposition II. vaporization III. sublimation IV. condensation Question 32 options: a) I, II, III, and IV b) I and III c) II and III d) I, II, and IV

Explanation / Answer

30) option a
31) option a
32) option c

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