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

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

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 Week 8 Final Exam Questions-Answers (Actual EXAM 2023) GUARANTEED PASS he shape of a carbon dioxide molecule is _____. Question (TCO 4) Which of the following substances does not have polar covalent bonds? Question (TCO 8) According to the Bronsted-Lowry definition, which chemical in the following reaction is the acid? Question (TCO 8) According to the Bronsted-Lowry definition, which chemical in the following reaction is the base? Question (TCO 12) Which nucleic acid carries...

CHEM 120 Week 8 Assignment; Group Project Presentation - Vitamins & Minerlas.

Multiple Choice questions: Q 1-40. Highlight or mark the correct answer. (2 point each) 1. The following is a polymer. 2. The following is a naturally occurring polymer. 3. The following is true for Addition polymers. 4. The following is true for condensation polymers. 5. The following is always a reactant in hydrolysis reaction in a cell. 6. Hydrocarbons are made of and 7. As you increase the length of hydrocarbon chain, the molecules becomes more . 8. Ionizing radiation 9. “...

1. Question: You are given the following pH values: Solution 1: 9.2, Solution 2: 4.8, Solution 3: 12.7, Solution 4: 1.1 a. Which solutions are basic? b. Which solution would have the highest concentration of H3O+ ions when dissolved in water? 2. Question: You are given three compounds: NaCl, CH3CH2OH (ethanol), and CaCl2. You are asked to measure out 14.7 g of each compound into three separate 500-mL flasks and add enough water to make 500-mL of solution. A chemist comes along and measures th...

CHEM 120 Week 8 Final Exam Questions and Answers | Already GRADED A.

CHEM 120 Week 8 Assignment; Group Project - Stoichiometry & Dosage Calculation (CO 4)

CHEM 120 Week 8 Assignment; Group Project Presentation - Vitamins & Minerlas