Question

Which of the following would lower the vapor pressure of a sample of butanol in a closed container?
I) decreasing the temperature of the sample
II) decreasing the size of the container
III) draining off some of the liquid

a. I, II and III
b. I and II
c. II and III
d. I and III
e. II only
f. III only
g. I only

Answer 1

a yes, b no, c no.

Answer 2

I) Yes
II) No
III) No

So the answer is I only