Question

Which of the following phase changes involves a gas turning into a liquid? (1 point)
Responses

Boiling
Boiling

Condensation
Condensation

Freezing
Freezing

Sublimation
Sublimation
Question 2
If you keep a gas's temperature constant, how would you increase the volume of the gas? (1 point)
Responses

You would decrease the pressure
You would decrease the pressure

You would change the temperature
You would change the temperature

You would decrease the temperature
You would decrease the temperature

You would increase the pressure
You would increase the pressure
Question 3
Of five different laboratory solutions, the solution with the highest acidity has a pH of(1 point)
Responses

7
7

11
11

5
5

3
3

12
12
Question 4
Use the following solubility graph to answer the question below.



A solution of 10 grams KCl at 10 degrees Celsius is said to be:

(1 point)
Responses

supersaturated
supersaturated

saturated
saturated

unsaturated
unsaturated
Question 5
A student is making a salt water solution for a lab experiment. Which of the following would increase in the rate the salt dissolves?(1 point)
Responses

cooling the water
cooling the water

using salt cubes instead of crushed salt
using salt cubes instead of crushed salt

stirring the solution

Answer 1

1) Condensation

2) You would decrease the pressure

3) 3

4) Unsaturated

5) Stirring the solution