Phase Change Diagram
Multiple Choice Questions: 1
Multiple Choice Question: 2
At a certain pressure and temperature, the gas you are testing refuses to liquefy. What is a possible cause for this?
- a. A lower pressure is needed to liquefy the gas
- b. The gas has gone past the critical pressure
- c. The temperature and pressure need to be equal
- d. The gas has gone past the critical temperature
Answers and Explanations to Question 1
A) Wrong, Molecules don't form bonds with increase temperature.
B) Wrong, The temperature doesn't have to be three times the pressure to make a triple point.
C) Correct, A triple point is where all states of matter are in equilibrium.
D) Wrong, The states of matter don't coexist at a triple point.