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UNC-Chapel Hill CHEM 101 - Prep guide through Exam I

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Detailed course topic list and prep guide through Exam IUNIT 1 – INTRODUCTIONUNIT 2 – THE BASICS OF THE ATOMUNIT 3 – THE MOLE AND STOICHIOMETRYDetailed course topic list and prep guide through Exam IUNIT 1 – INTRODUCTION- W Jan-07: Orientation to chemistry 101o Learning Objectives: Meet the prof. Discuss syllabus and course format Discuss the importance of the UNC Honor Codeo What to prepare by next class: Obtain i>clicker 2 remote and register on Sakai site Sign up for Sapling Sign up for ALEKS Watch the following videos:Optional readingin Brown, Lemay,et al.Videos1.1–1.3 States of Matter (1.2, 2.5 min)http://www.youtube.com/watch?v=9ZeUiEIgSa0&feature=relmfuElements – Compounds (1.2, 2.5 min)http://www.youtube.com/watch?v=mDEHNyAQG2I&feature=relmfuPhysical & Chemical Properties of Matter (1.3, 3 min)http://www.youtube.com/watch?v=cN2YRJCSVVQ&feature=fvsrChanges in Matter (1.3, 1 min)http://www.youtube.com/watch?v=UM_LrhxNxy4&feature=relmfuMixtures (1.3, 2.5 min)http://www.youtube.com/watch?v=tckwxd-jtXM&feature=relmfu1.4–1.6 Units of Measurement (1.4, 5 min; you may skip this video if you find the textbook explanation sufficient)http://www.youtube.com/watch?v=SYkmadc2wOIUncertainty (1.5, 2 min)http://www.youtube.com/watch?v=_LL0uiOgh1ESignificant Figures (1.5, 6 min)http://www.youtube.com/watch?v=_jZAe9xeTFADimensional Analysis (1.6, 4 min)http://www.youtube.com/watch?v=XKCZn5MLKvk- F Jan-09: Intro to quantitative skills in chemistry: Uncertainty, dimensional analysis, and significant figureso Learning Objectives: Explain why measurements are uncertain Use dimensional analysis to convert between different units or measurement Apply significant figures rules to quantitative calculationso What to prepare by next class: Complete first Sapling homework Complete Critical Thinking Questions (CTQs) for ChemActivity 1 – The Nuclear Atom (Farrell & Moog, aka The POGIL Book) Watch the following videos:Optional reading in Brown, Lemay, et al. Videos2.1–2.5 History of the atom (2.1–2.3, 9 min)http://www.youtube.com/watch?v=njGz69B_pUg Optional: Cathode Ray Tube demonstration (2.2, 3 min; very cool)http://www.youtube.com/watch?v=O9GoyscbazkDalton’s Atomic Theory (2.2, 5.5 min)http://www.youtube.com/watch?v=IdSUqsq1yY8Atomic mass (2.4, 4 min)http://www.youtube.com/watch?v=mFE-BW5hbVUUNIT 2 – THE BASICS OF THE ATOM- M Jan-12: The Nuclear Atomo Learning Objectives: Interpret the atomic numbers and mass numbers of elements Differentiate the atomic structures of neutral atoms and ions Use appropriate symbols to represent different isotopes and ions of atoms Calculate atomic mass Use modern theory of atomic structure to predict atomic numbers, mass numbers, and isotopes.o What to prepare by next class: Review video on atomic mass if needed Complete Critical Thinking Questions (CTQs) for ChemActivity 2 – Atomic Number and Atomic Mass (Farrell & Moog, aka The POGIL Book) Work on ALEKS objective- W Jan – 14: Atomic Number and Atomic Mass o Learning Objectives: Determine average atomic mass of an element based on natural abundance of its isotopes Use the mole to relate numbers of atoms to masso What to prepare by next class: Complete Sapling homework Continue working on ALEKS objective Complete CTQs for ChemActivity 28 – The Mole Concept in POGIL book Watch the following videos for the next 3 classes:Optional reading inBrown, Lemay, et al.Videos2.6–2.8 FYI: These topics will not be discussed in class, but you must know how to name compounds (you will also practice this in ALEKS and Sapling)Naming Ionic Compounds (2.8, 5 min)https://www.youtube.com/watch?v=r7NRmA6uyj8Naming Molecular Compounds (2.8, 9 min)https://www.youtube.com/watch?v=NJn76CR70oU3.3 FYI: These topics will be discussed in class.Formula weight example (3.3, 4 min)http://www.youtube.com/watch?v=_8Mxhri0YoUAvogadro’s Number and the Mole (3.4, 4 min)http://www.youtube.com/watch?v=pMK95wl65nMMole Conversions (3.4; 4 min., you may start the video at 1:05)http://www.youtube.com/watch?v=6fzsDO1liKIUNIT 3 – THE MOLE AND STOICHIOMETRY- F Jan-16: The Mole Concepto Learning Objectives: Convert between moles, mass, and number of atoms or molecules for any compoundo What to prepare by next class: Complete CTQs for ChemActivity 29 – Chemical Equations in POGIL Book Watch:Optional reading in Brown,Lemay, et al.Videos3.1, 3.6–3.7 Balancing chemical equations (3.1, 14.5 min)https://www.youtube.com/watch?v=RnGu3xO2h74Stoichiometry example problem (3.6, 13.5 min)http://www.khanacademy.org/science/chemistry/v/stoichiometry-example-problem-1- M Jan-19: Martin Luther King, Jr.’s Birthday – NO CLASS- W Jan-21: Chemical Equationso Learning Objectives: Identify and correct unbalanced chemical equations Create a balanced chemical equation given reactants and products Use the mole to calculate masses of product(s) generated in a chemical reactiono What to prepare by next class: Complete CTQs for ChemActivity 30 – Limiting Reagent in POGIL Book Watch:Optional reading in Brown, Lemay, etal.Videos3.7 Limiting Reagents (3.7, 20 min)http://www.youtube.com/watch?v=YNriRslOk9A- F Jan-23: Limiting Reagento Learning Objectives: Identify the limiting reagent in a chemical reaction Calculate max amounts of products in cases where there is a limiting reagento What to prepare by next class: Complete CTQs for ChemActivity 31 – Empirical Formula in POGIL Book Watch:Optional reading in Brown, Lemay, etal.Videos3.5 Empirical Formulae from % Composition (3.5, 3 min)http://www.youtube.com/watch?v=ARcTVF-_d90- M Jan-26: Empirical Formulao Learning Objectives: Determine empirical formula of a compound from percent composition Determine molecular formula from empirical formula and molecular weighto What to prepare by next class: Complete CTQs for ChemActivity S1 – Combustion Analysis (Available on Sakai)- W Jan-28: Combustion Analysiso Learning Objectives: Explain how combustion analysis (CA) is used to determine the empirical formula Use CA data to determine the empirical formula Use CA data and molecular weight to determine the molecular formulao What to prepare by next class: Complete CTQs for ChemActivity 32 – Molarity in POGIL BookOptional reading in Brown, Lemay, etal.Videos4.5 Concentration - Molarityhttp://www.youtube.com/watch?v=JwV3F708ZrI&feature=related- F Jan-30: Molarityo Learning


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