'Zn zn 2 2e' presentation slideshows

ELECTROCHEMISTRY

ELECTROCHEMISTRY. References: Engg.Chemistry by Jain and Jain Engg.Chemistry by Dr. R.V.Gadag and Dr. A.Nithyananda Shetty Principles of Physical Chemistry by Puri and Sharma.

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ELECTROCHEMISTRY

ELECTROCHEMISTRY. References: Engg.Chemistry by Jain and Jain Engg.Chemistry by Dr. R.V.Gadag and Dr. A.Nithyananda Shetty Principles of Physical Chemistry by Puri and Sharma.

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ELECTROCHEMISTRY Chapter 20

ELECTROCHEMISTRY Chapter 20. TRANSFER REACTIONS. Atom/Group transfer HCl + H 2 O ? Cl - + H 3 O + Electron transfer Cu(s) + 2 Ag + (aq) ? Cu 2+ (aq) + 2 Ag(s). Electron Transfer Reactions. Electron transfer reactions are oxidation-reduction or redox reactions.

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HCM INTERNATIONAL UNIVERSITY SCHOOL OF BIOTECHNOLOGY

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Department of Chemistry CHEM1010 General Chemistry ***********************************************

Department of Chemistry CHEM1010 General Chemistry *********************************************** Instructor: Dr. Hong Zhang Foster Hall, Room 221 Tel: 931-6325 Email: hzhang@tntech.edu.

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14.2a Voltaic Cells

14.2a Voltaic Cells. Basic Function. Voltaic Cell Basics. Electrodes and electrolytes chemically react to form ions that move in or out of solution. = electrode where electrons are transferred out of the solution (ox. occurs)

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14.2a Voltaic Cells

14.2a Voltaic Cells. Basic Function. Voltaic Cell Basics. Electrodes and electrolytes chemically react to form ions that move in or out of solution. Anode = electrode where electrons are transferred out of the solution (ox. occurs)

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Electrochemistry

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Equilibrium

Equilibrium. 3 rd Edition. A chemical system in equilibrium will. have the same concentrations of all products and reactants. form more products if the temperature is increased. have a specific ratio of product to reactant concentrations. not have any precipitates.

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Electrochemical Cells (voltaic cells)

Electrochemical Cells (voltaic cells). Electrochemical Cells :. **Spontaneous Redox. Zn 0 + Cu +2 ? Zn +2 + Cu 0. Table J (Activity Series) :. Single Replacement ? the more active metal replaces the less active metal. Oxidation: Zn ? Zn 2+ + 2e -. Reduction: Cu +2 + 2e - ? Cu 0.

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Electrochemical Cells (voltaic cells)

Electrochemical Cells (voltaic cells). Electrochemical Cells :. **Spontaneous Redox. Zn 0 + Cu +2 ? Zn +2 + Cu 0. Table J (Activity Series) :. Single Replacement ? the more active metal replaces the less active metal. Oxidation: Zn ? Zn 2+ + 2e -. Reduction: Cu +2 + 2e - ? Cu 0.

489 views • 11 slides