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

CHEM 121 FINAL EXAM | Updated Questions and Answers Updated (2025 / 2026) - PORTAGE LEARNING Do the three conversions shown below, showing all work: 1. 328 K = ? oC 2. 76oC = ? oF 3. 135oF = ? K Your Answer: = 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 oC → oF (make larger) x 1.8 + 32 3. 135oF - 32 ÷ 1.8 = 57.2 + 273 = 330.2 K oF → 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