Pre-AP Chemistry Practice Test
Pre-AP Chemistry Practice Test
Quiz Summary
0 of 4 questions completed
Questions:
- 1
- 2
- 3
- 4
Information
You have already completed the quiz before. Hence you can not start it again.
Quiz is loading…
You must sign in or sign up to start the quiz.
You must first complete the following:
Results
Results
0 of 4 questions answered correctly
Your time:
Time has elapsed
You have reached 0 of 0 point(s), (0)
Earned Point(s): 0 of 0, (0)
0 Essay(s) Pending (Possible Point(s): 0)
Average score |
|
Your score |
|
Categories
- Not categorized 0%
- 1
- 2
- 3
- 4
- Answered
- Review
-
Question 1 of 4
1. Question
A student places 2.0 g of an unknown substance in a sealed container with no other contents. The student observes the container for 10 minutes and then draws the two particle diagrams shown to represent his observations of the initial and final states. Which of the following descriptions of the observed change is most consistent with the model?
CorrectIncorrect -
Question 2 of 4
2. Question
The figure represents three containers of equal volume at the same temperature, each containing a different gas or mixture of gases. Which TWO statements best describe the pressure in the containers?
CorrectIncorrect -
Question 3 of 4
3. Question
4Na(s) + O2 (g) -> 2Na2O(s)
Sodium oxide is produced by the reaction of sodium metal with oxygen gas. The reaction is represented by the chemical equation above. A chemical reaction is set up with 32 moles of Na and 12 moles of O2 in a reaction vessel. As the reaction proceeds to completion, the number of moles of Na and O2 are monitored and plotted on a graph as shown in the figure.
Which of the following best explains the steeper slope of the line that represents moles of Na compared to the line that represents moles of O2 ?
CorrectIncorrect -
Question 4 of 4
4. Question
The figure shows particle diagrams representing a 13M solution of an unknown acid after the acid was added to water. Based on the particle diagrams, which of the following claims about the unknown acid is most likely correct?
CorrectIncorrect