Chem 120 Samenvattingen, Aantekeningen en Examens

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)

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

define matter correct answer: anything that has mass and takes up space what is not considered matter? correct answer: light, heat, electricity definite shape, definite volume correct answer: solid indefinite shape, definite volume correct answer: liquid indefinite shape, indefinite volume correct answer: gas pure substance correct answer: one substance; definite and constant composition; can't be separated into 2 kinds of matter by physical means; single kind of matter ...