Chem120 week 3 - Study guides, Class notes & Summaries

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CHEM 120 Week # 1 DQ 1 – Scientific Method and Calculations
  • CHEM 120 Week # 1 DQ 1 – Scientific Method and Calculations

  • Exam (elaborations) • 2 pages • 2024
  • CHEM 120 Week # 1 DQ 1 – Scientific Method and Calculations CHEM120 Week 1 Scientific Method & Calculations Let’s explore the scientific method. Here is the situation: We are planting a garden. We have a variety of bulbs & potted plants. We do not have any directions on how or when to plant each of these items. We do not have any gardening books, magazines, or access to the Internet (Oh, the horror!). We need to observe a number of characteristics for these plants. What are some...
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chem 120 final questions and answers to week 8
  • chem 120 final questions and answers to week 8

  • Exam (elaborations) • 4 pages • 2024
  • Week 8 : Final Exam Questions - Final Exam CHEM120 Final-Exam- 1. Question: (TCO 7) (a, 5 pts) Given that the molar mass of H3PO4 is 97.994 grams, determine the number of grams of H3PO4 needed to prepare 0.25L of a 0.2M H3PO4 solution. Show your work. (b, 5 pts) What volume, in Liters, of a 0.2 M H3PO4 solution can be prepared by diluting 50 mL of a 5M H3PO4 solution? Show your work. (Pts. : 10) A. Molarity = moles of solute/liters of solution moles of solute = 0.2 M*0.25 L = 0.05 m...
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CHEM 120 Week 3 Exam 1 (Information)
  • CHEM 120 Week 3 Exam 1 (Information)

  • Exam (elaborations) • 13 pages • 2023
  • CHEM 120 Week 3 Exam 1 (Information)
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CHEM 120 Week 3 Virtual Lab; Solution Preparation Part I, Part II
  • CHEM 120 Week 3 Virtual Lab; Solution Preparation Part I, Part II

  • Other • 8 pages • 2023
  • CHEM 120 Week 3 Virtual Lab; Solution Preparation Part I, Part II
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CHEM 120 Week 3 Concepts; Chemical Reactions and Calculations
  • CHEM 120 Week 3 Concepts; Chemical Reactions and Calculations

  • Other • 7 pages • 2023
  • CHEM 120 Week 3 Concepts; Chemical Reactions and Calculations
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CHEM120 Week 5 Assignment: Redox and Organic Chemistry – With 100% Correct Answers- Download To Score An A+
  • CHEM120 Week 5 Assignment: Redox and Organic Chemistry – With 100% Correct Answers- Download To Score An A+

  • Other • 3 pages • 2024
  • 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...
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Chamberlain College of Nursing CHEM 120 Chem Lab 3 study guide (NEW EXAM COPY 2023 )
  • Chamberlain College of Nursing CHEM 120 Chem Lab 3 study guide (NEW EXAM COPY 2023 )

  • Exam (elaborations) • 9 pages • 2023
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  • CHEM120: Week 2 lab Name: Michelle Ramsaroop Laboratory 3: Ionic and Covalent Compounds Learning Objectives:  Name ionic and covalent compounds and derive their chemical formulas  Draw Lewis structures of simple covalent compounds In this laboratory exercise, we will learn how to derive formulas of ionic and covalent compounds and name them. We will also flame test for various metal ions and make models of simple covalent molecules. Exploration 1: Explain the following terms (Compl...
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CHEM120 Week 2 Assignment: Bonding and Naming of Molecules – With 100% Correct Answers Download To Score An A+
  • CHEM120 Week 2 Assignment: Bonding and Naming of Molecules – With 100% Correct Answers Download To Score An A+

  • Other • 3 pages • 2024
  • CHEM120 Week 2 Assignment: Bonding and Naming of Molecules – With 100% Correct Answers Download To Score An A+ Week 2 Assignment (15 points): 1. In terms of electrons, what is an excited sta te? Give an example of an electron configuration for an excited state. (1 points) - An electron is in an excited state when it occupies an energy state that’s greater than its ground state. The ground state of Oxygen for example has an electron configuration that is 1s22s22p4 but the excited state might ...
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CHEM120 Week 8 Assignment: Group Project Presentation – Vitamins & Minerlas
  • CHEM120 Week 8 Assignment: Group Project Presentation – Vitamins & Minerlas

  • Presentation • 14 pages • 2024
  • CHEM120 Week 8 Assignment: Group Project Presentation – Vitamins & Minerlas How vitamins and minerals/trace elements affect health/human body SELINA GALLARDO CHEMISTRY 120 PROFESSOR FIRT H What are vitamins and minerals? ► Vitamins are living (organic) substances which are created from plants or animals. Now, minerals are lifeless (inorganic) elements that occur from the soil along with water furthermore are absorbed from plants or consumed by creatures. ► Efficacy is the ability of a supp...
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CHEM 120 Week 3 Virtual Lab; Stoichiometric Calculations Part I, Part II
  • CHEM 120 Week 3 Virtual Lab; Stoichiometric Calculations Part I, Part II

  • Other • 3 pages • 2023
  • CHEM 120 Week 3 Virtual Lab; Stoichiometric Calculations Part I, Part II
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