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A Beginners Guide to Chemistry
Welcome to Chemistry! This course includes video lectures, class notes, quizzes, and extra exercises regarding the following chapters: Some preliminary math conceptsWorking with exponentsScientific notationChapter 1: Introductory conceptsChemistryThe states of matterPhysical and chemical propertiesPhysical and chemical changesEnergy in chemistryEnergy conversionInternational system of units (SI)Common decimal prefixes used with SI unitsCommon SI-English equivalent quantitiesConversion factorsDensityTemperature scalesExtensive and intensive propertiesExact numbersSignificant figuresRounding off numbersPrecision, accuracy, and errorChapter 2: Atomic structureDaltons atomic theoryGeneral features of the atomAtomic symbol, number, and massIsotopesElectromagnetic radiationProperties of electromagnetic wavesThe electromagnetic spectrumEnergy and frequencyThe Bohr model of the hydrogen atomThe de Broglie hypothesisThe Heisenbergs uncertainty principleThe quantum mechanical model of the atomQuantum numbers and the exclusion principleFactors affecting atomic orbital energiesSplitting of levels into sublevelsElectron configurations and orbital diagramsThe Aufbau principleThe exclusion principleHunds ruleCondensed configurationElectron configuration and groupsCategories of electronsTrends in the periodic table: atomic sizeTrends in the periodic table: ionization energyTrends in the periodic table: electron affinitySize of cations and anionsThe inert pair effectDiagonal relationshipsChapter 3: Ionic bondingThe formation of an ionic compoundLewis dot symbolsIonic size vs atomic sizeMonoatomic ionsNaming binary ionic compoundsPolyatomic ionsProperties of ionic compoundsChapter 4: Metallic bondingProperties of metalsThe electron sea modelBand theory of metalsChapter 5: Covalent bondingElectronegativityThe octect ruleLewis structuresProperties of a covalent bond: bond order, bond energy, and bond lengthVSEPR theoryResonance structuresFormal chargesOxidation numberException to the octect ruleThe valence bond (VB) theoryHybridization of atomic orbitalsThe molecular orbital theoryThe correlation between molecular shape and molecular polarityImportance of molecular polarityChapter 6: StoichiometryChemical equationsBalancing a chemical equationThe law of mass conservationThe molMolar massMass percent of an element from a chemical formulaLaw of constant compositionLaw of multiple proportionsEmpirical and molecular formulasLimiting reactantReaction yieldsChapter 7: Three major classes of chemical reactionsWater as a solventConcentration of solutions and molarityDilutionPrecipitation reactionsSolubility rulesAcid-base reactionspH scaleAcid-base titrationsReduction-Oxidation (RedOX) reactionsRules for assigning an oxidation numberThe activity series of the metalsBalancing simple redox reactionsTypes of redox reactionsChapter 8: Ideal and real gasesProperties of gasesGas pressureCommon units of pressureInstruments used to measure pressureKinetic molecular theoryThe gas lawsBoyles lawCharles lawAvogadros lawGas behavior at standard conditionsThe ideal gas lawThe ideal gas law and gas densityMolar mass from the ideal gas lawMixtures of gasesMolecular speedsKinetic energy and gas behaviorGrahams law of effusionDiffusion of gasesReal gasesMolar volume of some common gases at STP conditionsvan der Waals equationChapter 9: ThermochemistryTransfer and interconversion of energyThe law of energy conservationUnits of energySign convention for q, w, and EPressure-volume workEnthalpyEnthalpy of exothermic and endothermic processesCalorimetrySpecific heat capacityCalorimetry at constant pressureCalorimetry at constant volumeStoichiometry of thermochemical equationsHess`lawStandard enthalpies of formationCalculating the enthalpy of a reaction by using bond energiesWhen you enroll in Chemistry you will also get:- Lifetime access to Chemistry- Friendly support in the Q & A section- Udemy Certificate of Completion available for download- 30-day money back guaranteeSee you in class!C. Samanamu, Ph.D.
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