'Oxidation numbers' diaporamas de présentation

Chapter 20 Electrochemistry

Chapter 20 Electrochemistry. Electrochemical Reactions. In electrochemical reactions, electrons are transferred from one species to another. Oxidation Numbers. In order to keep track of what loses electrons and what gains them, we assign oxidation numbers. Oxidation and Reduction.

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Chapter 7

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Chapter 4 Aqueous Reactions and Solution Stoichiometry

Chemistry, The Central Science , 10th edition Theodore L. Brown; H. Eugene LeMay, Jr.; and Bruce E. Bursten. Chapter 4 Aqueous Reactions and Solution Stoichiometry. John D. Bookstaver St. Charles Community College St. Peters, MO ? 2006, Prentice Hall, Inc. Solutions:.

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Chapter 4 Aqueous Reactions and Solution Stoichiometry

Chemistry, The Central Science , 10th edition Theodore L. Brown; H. Eugene LeMay, Jr.; and Bruce E. Bursten. Chapter 4 Aqueous Reactions and Solution Stoichiometry. SAMPLE EXERCISE 4.6 Identifying Strong, Weak, and Nonelectrolytes.

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Chapter 20 Electrochemistry

Lecture Presentation. Chapter 20 Electrochemistry. James F. Kirby Quinnipiac University Hamden, CT. Electrochemistry. Electrochemistry is the study of the relationships between electricity and chemical reactions. It includes the study of both spontaneous and nonspontaneous processes.

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Chapter Menu

Redox Reactions. Section 19.1 Oxidation and Reduction Section 19.2 Balancing Redox Equations. Click a hyperlink or folder tab to view the corresponding slides. Exit. Chapter Menu. Section 19.1 Oxidation and Reduction. Describe the processes of oxidation and reduction.

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9. Oxidation-Reduction

9. Oxidation-Reduction. Oxidation-Reduction Redox Reactions. Reactions in which some elements change their oxidation number. Oxidation numbers. An oxidation number is the charge an atom would have if electrons in its bonds belonged completely to the more electronegative atom.

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Aqueous Solutions Pt. 2

Aqueous Solutions Pt. 2. Reaction Types. Precipitation Reactions Cations and anions come together to form insoluble ionic compounds AgNO 3 + NaCl ? AgCl + NaNO 3 Ag + + Cl - ? AgCl Neutralization Reactions Acid Base reactions forming a salt and water HCl + NaOH ? H 2 O + NaCl

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Redox Reactions.

Redox Reactions. Reduction. Oxidation. GCSE. Oxidation : Gain of oxygen Loss of electrons. Reduction : Loss of oxygen Gain of electrons. Increase in oxidation number. Decrease in oxidation number. 4 Experiments:. Burning magnesium Copper in silver nitrate solution

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Redox Reactions.

Redox Reactions. Reduction. Oxidation. GCSE. Oxidation : Gain of oxygen Loss of electrons. Reduction : Loss of oxygen Gain of electrons. Increase in oxidation number. Decrease in oxidation number. 4 Experiments:. Burning magnesium Copper in silver nitrate solution

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Balancing Redox Equations: following the electrons

Balancing Redox Equations: following the electrons. Review: Oxidation and reduction Oxidation numbers. Review: Oxidation - reduction. Oxidation is loss of electrons Reduction is gain of electrons Oxidation is always accompanied by reduction The total number of electrons is kept constant

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Naming Compounds and Writing Formulas

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Foundations of Physical Science

Foundations of Physical Science. Workshop: Periodic Table Tiles. Chemical Equations and Recipies. CPO Science. How can we model the rearrangement of atoms that happens during a chemical reaction? How can we predict chemical formulas?. Key Questions. Chemical reactions and the environment.

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Chapter 19 Oxidation - Reduction Reactions

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Oxidation-Reduction Reactions

Oxidation-Reduction Reactions. 20.1 The meaning of Oxidation and Reduction 20.2 Oxidation Numbers 20.3 Balancing Redox Reactions. The Meaning of Oxidation and Reduction . Objectives Define oxidation and reduction in terms of loss or gain of oxygen and the loss or gain of electrons

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Assigning Oxidation Numbers

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Chapter 19.2 Chemical Formulas

Chapter 19.2 Chemical Formulas. Oxidation Numbers Writing Chemical Formulas Ionic Compounds Writing Chemical Formulas Naming Ionic & Covalent Compounds Empirical and molecular Formulas. Oxidation Numbers.

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Bellringer

Bellringer. Write the electron configuration, orbital notation, and electron dot structure for both Na and Cl:. Chemical Bonds and Ionic Bonds Formation. Objectives: AHSGE Reading 4.3 Discern organizational patterns. 6.1 Predicting ionic and covalent bond types

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Acid - Base reactions

Displacement reactions. recombine ions. Acid - Base reactions. H + transfer. Fe 2 O 3 (s). Al 2 O 3 (s). + Fe. ( l ). + Al (s). ?. thermite reaction. Oxidation - Reduction reactions. e - transfer . ( redox ). Fe 2 O 3 =. iron ( ). Fe (l) =. Fe 0. III. oxide. Fe 3+.

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Oxidation numbers

Oxidation numbers. Oxidation numbers. Oxidation numbers are used to describe the distribution of electrons among bonded atoms. Covalent bonds involve sharing of electrons, but oxidation numbers show what the distribution would be if the electrons were completely transferred.

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