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CHEM 121 FINAL EXAM 2025 Updated Questions and Answers Updated (2025 / 2026) (Verified Answers)- PORTAGE LEARNING

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CHEM 121 FINAL EXAM 2025 Updated Questions and Answers Updated (2025 / 2026) (Verified Answers)- PORTAGE LEARNING

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Final Exam - Requires Respondus LockDown
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 Due No due date




 Points 160
 Questions 16




 Time Limit 120 Minutes
 Requires Respondus LockDown Browser


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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.

1

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

2

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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