Chem120 week 5 Samenvattingen, Aantekeningen en Examens

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 DETAILED SOLUTIONS FROM (WEEK 1-7) ANSWERS AND DISCUSSIONS 1. CHEM120 WEEK 1 ANSWERS. 2. CHEM120 WEEK 2 ANSWERS. 3. CHEM 120 WEEK 3 ANSWERS. 4. CHEM 120 WEEK 4 ANSWERS. 5. CHEM 120 WEEK 5 ANSWERS. 6. CHEM 120 WEEK 6 ANSWERS. 7. CHEM 120 WEEK 7 ANSWERS. 8. CHEM 120 Week 1 Discussion Question 1: Scientific Method and Calculations. 9. CHEM 120 Unit 3 Discussion 2: Molarity and Solution Calculations.

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

CHEM 120 / CHEM120 Week 5 Concepts Redox and Organic Chemistry GRADED A+ / CHEM 120 / CHEM120 Week 5 Concepts Redox and Organic Chemistry GRADED A+

CHEM120 Week 5 Virtual Lab: Organic Chemistry – Download For An A+ OL Lab 9: Building models of organic compounds Learning Objectives: • Build virtual models to learn about the structure o f organic compounds • Draw extended structural formulas of organic compounds Compounds that are based on the carbon atom are known as organic compounds. These compounds commonly contain, nitrogen, oxygen, and hydrogen in addition to carbon. Carbon forms a variety of covalent compounds with varied propert...

CHEM120 Week 5 Concepts: Redox and Organic Chemistry – Download For Revision And Score An A+ OXIDATION-REDUCTION Reduction and oxidation are intertwined concepts that are important to understand ing some of the most important chemical reactions in the human body. In this lesson, we will explore the relationship between these terms and the how to identify what chemicals in a reduction/oxidation reaction (redox reaction) are playing which parts. 1. Redox reactions involve a transfer of: ▪ Nucl...

CHEM 120 / CHEM120 WEEK 5 QUIZ / CHEM 120 / CHEM120 WEEK 5 QUIZ

CHEM120 Week 5 Assignment: Redox and Organic Chemistry – With 100% Correct Answers- Download To Score An A+ 1. For the following redox reactions, determine what is oxidized and what is reduced: ( each, 2 points total) 3 Hg2+ + 2 Fe (s) Fe oxidized, He reduced 2 As(s) + 3 Cl2(g) Cl reduced, As oxidized 3 Hg2 + 2 Fe3+ 2 AsCl3 2. List and describe 3 common things that occur during oxidation-reduction reactions (1.5)? 1. Combustion- flames (not explosions) 2. Disproportionation- simultaneous reduc...

Other CHEM 120 Week 5 Lab; OL Lab 9; Building Models of Organic Compounds CHEM120 OL, Week 5 Lab OL Lab 9: Building models of organic compounds Learning Objectives:  Build virtual models to learn about the structure of organic compounds  Draw extended structural formulas of organic compounds Compounds that are based on the carbon atom are known as organic compounds. These compounds commonly contain, nitrogen, oxygen, and hydrogen in addition to carbon. Carbon forms a variety of covalent ...