'Zn 2 2e zn' diaporamas de présentation

Introduction to Electrochemistry

Introduction to Electrochemistry. A.) Introduction : 1.) Electroanalytical Chemistry: group of analytical methods based upon electrical properties of analytes when part of an electrochemical cell 2.) General Advantages of Electrochemistry:

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Oxidation/Reduction Reactions In Cells

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Chapter 18 Oxidation-Reduction Reactions & Electrochemistry

Chemistry B2A. Chapter 18 Oxidation-Reduction Reactions & Electrochemistry. Oxidation and Reduction reactions (redox). e -. 2Na(s) + Cl 2 (g) 2NaCl(s). Metal + Nonmetal : Transfer of electrons. Na ? Na + + e -. Oxidized. Cl + e - ? Cl -. Reduced.

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Electrochemistry

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Electrochemistry

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Description of a Galvanic Cell.

Description of a Galvanic Cell. Describe completely the galvanic cell based on the following half-reactions under standard conditions: Ag + + e - ? Ag E o cell = 0.80 V (1) Fe 3 + + e - ? Fe 2+ E o cell = 0.77 V (2) In addition, draw the cell and write the line notation.

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Reduction & Oxidation

Reduction & Oxidation. Revision questions:. 1. Calculate the Molar concentration of a solution if 40g of pure NaOH are dissolved with 500 cm3 of water? 2. What volume of this solution will contain 1 mole of NaOH? 2NaOH + H2SO4 --> Na2SO4 + 2H2O

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