Chem 120 Study guides, Class notes & Summaries

CHEM 120 Week 8 Lab Practical Online Quiz (Lab Practicum)

CHEM 120 Week 8 Exam 3 (Units 5, 6, and 7)

1. A solution is prepared by dissolving 50 g of KCl (74.6 g/mol) to a volume of 1 L. What is the molarity of this solution? 2. You prepare a solution by dissolving 20 g of NaCl to a volume of 350 mL in water. What is the mass/volume % concentration of this solution? 3. When the following reaction goes in the forward direction, what is the base? 4. You are preparing a buffered solution. So far, your solution contains H2PO4- ions, what would you add to this solution to prepare your buffer sy...

CHEM 120 Week 5 Exam 2 (Units 3 and 4)

CHEM 120 Final Exam (Version 3), CHEM 120: Introduction to General, Organic & Biological Chemistry with Lab, Verified and Correct Answers, Chamberlain College of Nursing.

CHEM 120 Final Exam 1. (TCO 8) 35.0 mL of 0.25 M NaOH is neutralized by 23.6 mL of an HCl solution. The molarity of the HCl solution is (show your work): (Points : 5) 2. (TCO 1) How many mL are in 3.5 pints? Show your work. (Points : 5) 3. (TCO 3) What is the name of the following compound: Zn3P2? (Points : 5)

CHEM 120 FINAL EXAM /CHEM120 WEEK 8 FINAL EXAM LATEST ACTUAL EXAM 2023-2024 QUESTIONS AND CORRECT DETAILED ANSWERS|AGRADE

Station 1. You have run an experiment studying the effects of the molecular weight of a compound on the rate of diffusion in agar. Compound X has a molecular weight of 25.3 g/mol and compound Y has a molecular mass of 156.2 g/mol. On two separate agar plates, 0.1 g of each substance were transferred and allowed to diffuse for 2 hours. The results below were obtained. Use this information about this situation to answer the following three questions. 1. Question: (CO 1) What was the independent v...

CHEM 120 Exam 2: Chapters 5,6,7,8 (With Answer Key) - Chamberlain College of Nursing.PART 1: Multiple Choice questions: Q 1-24. (2 point each) 1. Chemical reactions (equations) show the following a. Reactants b. Products c. Physical state of each (gas or liquid or solid) d. All of the above 2. The following is true for a mole a. It is also known as Avagadro’s number b. It contains 6.022 * 1023 molecules c. It contains mass equivalent to molecular weight d. All of the above are true ...

CHEM120 Final Exam (Version-1, Updated-2023-2024)/ CHEM 120 Final Exam / CHEM120 Week 8 Final Exam / CHEM 120 Week 8 Final Exam: Chamberlain College of Nursing CHEM120 Week 8 Final Exam (Version-1, Updated-2023-2024)/ CHEM 120 Week 8 Final Exam / CHEM120 Final Exam / CHEM 120 Final Exam: Chamberlain College of Nursing