Which of the following would you expect to happen to a sample of water with the salt potassium iodide (KI) added to it?
A. Freezing point elevation
B. Vapor pressure lowering
C. Boiling point depression
D. All of these

is A I believe

answer by yourhope:

how do models compare to real-world objects?

d. most models represent a real-world object in a simpler way.

: )

a 20-cm-long, cylindrical graphite (pure carbon) rod is inserted into an oxidizing atmosphere at 1145 k and 1.013 x 105 pa pressure. the oxidizing process is limited by the diffu- sion of oxygen counterflow to the carbon monoxide that is formed on the cylindrical surface.