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Chemistry
CHEM 105bL
Thomas Bertolini
Chemistry
CHEM 105bL
Thomas Bertolini
Chemistry
CHEM 105bL
Thomas Bertolini
CHEM 105B Lecture 16: Transition Metals
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CHEM105B Lecture 16_Transition Metals Transition Metals vs. Main Groups Main group elements differ greatly across a period, similarities occur within vertical groups Transition metals (TMs) show similarities within a given...

Chemistry
CHEM 105bL
Thomas Bertolini
CHEM 105bL Lecture Notes - Lecture 15: Stoichiometry, Overvoltage, Ion
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CHEM105B- Lecture 15_Electrochemistry and Thermodynamics Reducing metals in acid • If its 𝐸° is negative, this type of half reaction (forming a solid metal) occurs in acid in reverse ...

Chemistry
CHEM 105bL
Thomas Bertolini
CHEM 105bL Lecture Notes - Lecture 14: Nonmetal, Electrolytic Cell, Electromotive Force
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CHEM105B- Lecture 14_Electrolytic Cells Redox Reactions • Can take place in a single flask where electrons are transferred • They can also take place in separate flasks Salt Bridge • A U-tube with a ...

Chemistry
CHEM 105bL
Thomas Bertolini
CHEM 105bL Lecture Notes - Lecture 13: Electroplating, Electrochemistry
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CHEM105B- Lecture 13_Electrochemistry Electrochemistry • Electrochemistry: The exchange of chemical and electrical energy • Nonspontaneous reactions require a current to occur • Uses: o ...

Chemistry
CHEM 105bL
Thomas Bertolini
CHEM 105bL Lecture Notes - Lecture 12: Exothermic Reaction
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CHEM105B- Lecture 12_Entropy and Free Energy Temperature Dependence of K −𝑅𝑇 ∗ 𝑙𝑛𝐾 = ∆𝐺° = ∆𝐻° − 𝑇∆𝑆° • 1 point Equation: 𝑙𝑛𝐾 = ▯∆▯▯▯▯°( ) ▯ ...

Chemistry
CHEM 105bL
Thomas Bertolini
CHEM 105bL Lecture Notes - Lecture 11: Spontaneous Process, Thermodynamics, Enthalpy
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CHEM105B- Lecture 11_Thermodynamics Changes in Entropy • Positive ∆𝑆: o Physical changes resulting in more disorder 1. 𝑆▯▯▯▯▯< 𝑆▯▯▯▯▯▯< 𝑆▯▯▯ 2. 𝑆 < 𝑆 ...

Chemistry
CHEM 105bL
Thomas Bertolini
CHEM 105bL Lecture Notes - Lecture 10: Reaction Quotient, Transition Metal, Lone Pair
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CHEM105B- Lecture 10_Precipitation Reactions Solubility • Molar Solubility is related to 𝐾 ▯▯ • You cant compare solubilities of compounds by 𝐾 unless they produce the...

Chemistry
CHEM 105bL
Thomas Bertolini
CHEM 105bL Lecture Notes - Lecture 9: Equilibrium Constant, Non-Functional Requirement
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CHEM105B- Lecture 9_Solubility Solubility • All ionic compounds dissolve in water to some degree • Some have such low water solubility we arbitrarily classify them as insoluble • Soluble = ≥ 4 g of so...

Chemistry
CHEM 105bL
Thomas Bertolini
CHEM 105bL Lecture Notes - Lecture 8: Conjugate Acid, Stoichiometry, Weak Base
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CHEM105B- Lecture 8_Buffers Properties of Buffers • Buffer: a solution that resists pH change • Buffers have large amounts of a weak acid and its conjugate base o The weak acid reacts with adde...

Chemistry
CHEM 105bL
Thomas Bertolini
CHEM 105bL Lecture Notes - Lecture 6: Acid Strength, Covalent Bond, Dissociation Constant
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CHEM105B- Lecture 6_Acids and Bases problems Percent Ionization of an Acid • The higher the percent ionization, the stronger the acid • For weak acids, as initial con centration decreases, percent ionization...

Chemistry
CHEM 105bL
Thomas Bertolini
CHEM 105bL Lecture Notes - Lecture 5: Decimal Mark
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CHEM105B- Lecture 5_Acids and Bases Using 𝑲 𝒘 𝐾 = 𝐻 𝑂 ▯ [𝑂𝐻 ] ▯ ▯ • Value of 𝐾 ▯hanges with temperature • Calculate [𝑂...

Chemistry
CHEM 105bL
Thomas Bertolini
CHEM 105bL Lecture Notes - Lecture 7: Electronegativity, Lewis Acids And Bases, Covalent Bond
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CHEM105B- Lecture 7_Acids and Bases with Anions and Cations Anions as Bases • Strong acids  → pH neutral conjugate bases ▯ ▯ ...

Chemistry
CHEM 105bL
Thomas Bertolini

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