'Zn zn2' presentation slideshows

ELECTROCHEMISTRY

ELECTROCHEMISTRY. The study of the interchange of chemical and electrical energy. Terms to Know: . OIL RIG. o xidation i s l oss, r eduction i s g ain (of electrons). Oxidation. the loss of electrons, increase in charge . Reduction.

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Review- Electrochemistry

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Revision: Describe Oxidation-Reduction Processes, 3credits

Revision: Describe Oxidation-Reduction Processes, 3credits. Definitions of Oxidation-Reduction Loss/Gain of electrons Increase/Decrease of oxidation number Determining oxidation numbers. Remember:. A redox reaction is any reaction involving a transfer of electrons .

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Voltaic Cells

Voltaic Cells. The Nature of Electrochemical Cells. When iron metal is dipped into an aqueous solution of blue copper sulfate, the iron becomes copper plated Why? The iron loses e- to the copper What type of reaction is this???? Fe (s) + Cu 2+ (aq) ? Fe 2+ (aq) + Cu (s). Fe.

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Acids and Alkalis

Acids and Alkalis. All Acids contain H + ions. Common examples are: Hydrochloric acid: H + Cl - Sulphuric Acid: H 2 + SO 4 2- Nitric Acid : H + NO 3 - All Alkalis contain OH - ions.

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