Pls its a chem test help me

a. looks to be directly proportional because as one goes up, so does the other.

b. the pressure can be found from the line you create with the x and y values. the pressure will be less than 726 since you can see the values go down as temp goes down.

if that website calculator does not have an equation creator, you'd have to use excel to calculate pressure at 0°c, there's an excel function thst would estimate the value.

since it's a test, this was the fastest info I could gather.

gas and precipitate r the correct answers