Question

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

Condensation
Condensation

Sublimation
Sublimation

Freezing
Freezing

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

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

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

7
7

3
3

5
5

12
12

11
11
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

unsaturated
unsaturated

supersaturated
supersaturated

saturated
saturated
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

stirring the solution
stirring the solution

using salt cubes instead of crushed salt

Answer 1

1. Condensation

2. You would decrease the pressure

3. 3

4. Unsaturated

5. Stirring the solution