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CHEM 121 FINAL Exam Questions and Answers- Portage 2024/2025
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CHEM 121 FINAL Exam Questions and Answers- Portage 2024/2025/CHEM 121 FINAL Exam Questions and Answers- Portage 2024/2025
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Final Exam - Requires Respondus LockDownBrowser + Webcam
• Due No due date
• Points 160
• Questions 16
• Time Limit 120 Minutes
• Requires Respondus LockDown Browser
Attempt History
Attempt Time Score
LATEST Attempt 1 120 minutes 0 out of 160 *
* Some questions not yet graded
Score for this quiz: 0 out of 160 *
Submitted Feb 22 at 7:04pm
This attempt took 120 minutes.
Question 1
Not yet graded / 10 pts
You may find the following resources helpful:
Scientific Calculator (Links to an external site.)
Periodic Table
Equation Table
, Do the three conversions shown below, showing all work:
1. 328 K = ? oC
2. 76oC = ? oF
3. 135oF = ? K
Your Answer:
1 - 328 - 273 = 55 C
2 - (76x 1.8) + 32 = 168.8 F
3 - (135 - 32) / 1.8 = 57.2 C + 273 = 330.2 K
1. 328K - 273 = 55 oC K → oC (make smaller) -273
2. 76oC x 1.8 + 32 = 168.8 oF o
C → oF (make larger) x 1.8 + 32
3. 135oF - 32 ÷ 1.8 = 57.2 + 273 = 330.2 K o
F → oC →K
Question 2
Not yet graded / 10 pts
You may find the following resources helpful:
Scientific Calculator (Links to an external site.)
Periodic Table
Equation Table
Classify each of the following 3 as an element, compound, solution or heterogeneous
mixture and explain your answer.
1. Wine
2. Tomato soup
3. Tin
Your Answer:
1 - solution
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