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Class Notes for Chemistry at University of Illinois

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CHEM 102 Lecture Notes - Lecture 12: Molar Mass, Stoichiometry, Empirical Formula
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CHEM102 Lecture 12 Stoichiometry I What is stoichiometry? Stoichiometry is the relationship between quantities of reactants to products in a reaction Ratio of masses Mass spectrometers are used to calculate a ratio of ma...

Chemistry
CHEM 102
Kelly Marville
CHEM 102 Lecture Notes - Lecture 11: London Dispersion Force, Effective Nuclear Charge, Surface Tension
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CHEM102 Lecture 11 Intermolecular Forces What Is an Intermolecular Force? A force that is felt between two molecules, rather than within a molecule (intramolecular) Types of Intermolecular Forces London Dispersion Forces (...

Chemistry
CHEM 102
Kelly Marville
CHEM 102 Lecture Notes - Lecture 9: Vsepr Theory, Trigonal Planar Molecular Geometry
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CHEM102 Lecture 9 HybridizationWhy is hybridization necessary?The overlap of atomic orbitals would cause bonds to form 90 degree anglesAccording to the VSEPR model, the angles of molecules can range from 90 degrees to 18...

Chemistry
CHEM 102
Kelly Marville
CHEM 102 Lecture Notes - Lecture 10: Vsepr Theory, Bohr Model
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CHEM102 Lecture 10 Hour Exam Review SessionTopics that will be covered on exam1.Atomic Structure2.Electromagnetic Radiation3.Bohr Model of the Atom4.Quantum Mechanical Model of the Atom5.Periodic Trends and Chemical Bond...

Chemistry
CHEM 102
Kelly Marville
CHEM 102 Lecture Notes - Lecture 8: Trigonal Planar Molecular Geometry, Lone Pair, Vsepr Theory
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CHEM102 Lecture 8 VSEPR modelAsymmetrical vs. SymmetricalAn object is only symmetrical if it mirrors itself even when rotated, reflected, or another motionMolecular Geometry and Shape1.BeCl2a.Molecular geometry: Linear (...

Chemistry
CHEM 102
Kelly Marville
CHEM 102 Lecture Notes - Lecture 7: Vsepr Theory, Octet Rule, Electronegativity
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CHEM102 Lecture 7 Lewis Structures and Resonance StructuresLocalized Electron ModelThe LE model illustrates covalent bonds between electrons in an atomThe model also demonstrates that a molecule have atoms that share ele...

Chemistry
CHEM 102
Kelly Marville
CHEM 102 Lecture Notes - Lecture 4: Bohr Model, Atomic Orbital, Magnetic Quantum Number
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CHEM102 Lecture 4 Quantum Mechanical Model of the AtomBohrs Model of the AtomBy the 1920s, it was realized that Bohrs model of the atom was incorrect because its ideas were incapable of being applied to any other atom bu...

Chemistry
CHEM 102
Kelly Marville
CHEM 102 Lecture Notes - Lecture 6: Lewis Structure, Covalent Bond
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CHEM103 Lecture 6 Chemical BondsTypes of BondingNonpolar covalentPolar covalentIonicMetallicWhy is bonding important?Atoms want to attain the lowest possible energy to achieve stability.Bonding brings two atoms together

Chemistry
CHEM 102
Kelly Marville
CHEM 102 Lecture Notes - Lecture 5: Valence Electron, Electron Configuration, Noble Gas
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CHEM102 Lecture 5 Periodic TrendsValence ElectronsElectrons that are in the outermost shell of an atom.In order to attain a noble gas electron configuration an atom must lose or gain electronsIn the periodic table, the nu...

Chemistry
CHEM 102
Kelly Marville
CHEM 102 Lecture Notes - Lecture 2: Atomic Number, Mass Number
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CHEM102 Lecture 2 Review of Atomic Structure and the Periodic TableIntroduction: The AtomAn atom is the smallest unit of matter that has discrete and observable chemical properties.Atoms are also called the building bloc...

Chemistry
CHEM 102
Kelly Marville
CHEM 102 Lecture Notes - Lecture 3: Bohr Model, Dimensional Analysis, Electromagnetic Spectrum
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CHEM102 Lecture 3 Electromagnetic Radiation and Bohr Model of the AtomDimensional AnalysisDimensional analysis must be used to convert units in chemistry.Unit factors are utilized in this process and are made with any tw...

Chemistry
CHEM 102
Kelly Marville
CHEM 102 Lecture Notes - Lecture 11: Empirical Formula, Solvation
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9102018 101818 13:27 Molar conversions, easy stuff. Empirical formula, simplest formula. If you have percent composition of elements in a compound, declare that there is 100 grams, so there would be however many percent, i...

Chemistry
CHEM 102
All Professors
CHEM 102 Lecture 12: Study Notes at UIUC
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find more resources at oneclass.com 16/10/2018 10/18/18 13:41 Stoichiometry H2O -> H2 + O2 Balance: 2H20 -> 2H2 + O2 N2 + O2 -> N2O5 Balance: 2N2 + 5O2 -> 2N2O5 Coefficient - Number of molecules Subscript N...

Chemistry
CHEM 102
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CHEM 102 Lecture Notes - Lecture 13: Ionic Compound, Covalent Bond, Oxidation State
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18102018 102918 14:47 More on acid-base reactions: - Neutralization - two reactants (an acid and a base) react to produce water and a salt, neutralizing each other. HCl(aq) + NaOH(aq) -> H2O(l) + NaCl(aq) Special cases inc...

Chemistry
CHEM 102
All Professors
CHEM 102 Lecture 14: Study Notes at UIUC
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find more resources at oneclass.com 11/10/2018 10/18/18 13:31 Solutions - Concentrate - relatively more solute in solution - Dilute - relatively less solute in solution - Combinations - In theory, solids,...

Chemistry
CHEM 102
All Professors
Inorganic Chemistry - Reference Guides

This Guide provides invaluable reference material to anyone who requires readily accessible information concerning the basic principles that underlie this complex science. The Guide carefully references the Periodic Table ...

Chemistry
CHEM 30100
All Professors
Permachart - Marketing Reference Guide: Iupac Nomenclature Of Inorganic Chemistry, Lithium Aluminium Hydride, Polyatomic Ion

p e r m a c h a rt s MT I n o r g a n i c C h e m i s t r y N o m e n c l a t u r e ...

Chemistry
CHEM 30100
All Professors
Permachart - Marketing Reference Guide: Locant, Parent Structure, Substituent

permacharts TM O r g a n icC h e m is t ryN o m e n c la t u r e Nam...

Chemistry
CHEM 22700
All Professors
Permachart - Marketing Reference Guide: Beta Particle, Beta Decay, Atomic Number

permacharts TM Periodic Table of the Elements ...

Chemistry
CHEM 11100
All Professors
Permachart - Marketing Reference Guide: Carnot Heat Engine, Carnot Cycle, Isentropic Process

permacha srtM PHYSICAL CHEMISTRY Basics Adiabatic process in which no heat is transferred into or out Internal energy The total kinetic and potent...

Chemistry
CHEM 11100
All Professors
Introductory Chemistry - Reference Guides

This Guide serves as a well organized and effective point of entry for anyone embarking upon the study of Chemistry. All fundamental terms are clearly organized in chart form, with illustrative graphics. More complex conce...

Chemistry
CHEM 11100
All Professors

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