Chem 120 week 2 - Study guides, Class notes & Summaries

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

CHEM 120 Week 7 Lab practicum (100% Correct) Chamberlain University. If a patient has fever of 103 ◦F, convert it in degree Celsius 103F-32 / 1.8 = 39.44 C 2. You are given 500 mg NaCl. If it is dissolved in 7.5 mL water what would be the density in g/mL? 500 NaCL / 7.5 mL = 66.7 g/ml 3. Provide name of the following organic compound

CHEM 120 WEEK 8 FINAL EXAM 2 LATEST VERSIONS 2024 ACTUAL EXAM 171 QUESTIONS AND CORRECT DETAILED ANSWERS WITH RATIONALES

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...

CHEM120 WEEK 8 FINAL EXAM/ CHEM 120 FINAL EXAM LATEST ACTUAL EXAM 2024/ QUESTIONS AND CORRECT DETAILED ANSWERS|A+GRADE 1. The name of the compound FES04 is iron sulfate 2. Peptide bonds link the amino acids together to make a primary polypeptide sequence. The bonds are AMIDE

CHEM 120 Week 3 Exam 1 (Units 1 & 2)

Week 2 Ionic Compounds IONIC COMPOUNDS In this lesson, you will be exploring ionic bonding. You have encountered many examples of molecules containing Ionic bonds including table salt and sodium fluoride which is found in toothpaste. We will see in this lesson how ionic compounds are formed and how the formation of these compounds leads to the properties we observe. Which of the following would be considered an Ionic Compound? A. CH4 B. LiCl C. N2O4 D. SO In general, an ionic bond for...

CHEM 120 Week 3 Exam 1 (Units 1 and 2)

Introduction Building on the fundamentals of covalent bonding, we will be looking deeper into the structures and behaviors of molecular compounds. We will be exploring how covalent bonding is involved in the structure of these molecules and determines how they interact with the world around them.

Objectives • Describe the structure and organization of the periodic table • Classify elements of a family based on their location in the periodic table • Distinguish metals from other element classes based on typical characteristics • Use the flame color test to identify metals based on their position in the periodic table • Explain valence electrons and oxidation state of a main group element to its position in the periodic table • Describe the main trends among groups and pe...