Electrochemistry Project Fff by cheerflyer1021

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Electrochemistry Project Fff

Published on Dec 05, 2015

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PRESENTATION OUTLINE

ELECTROCHEMISTRY PROJECT

BY: FRANCISCO PUEBLA

What is electrochemistry?
area of chemistry dealing with the interconversion of electrical energy and chemical energy. Batteries, control of corrosion, metallurgy and electrolysis are just a few examples of the applications of electrochemistry.

How a battery works:
- The cell has one plate made of lead and another plate made of lead dioxide, with a strong sulfuric acid electrolyte in which the plates are immersed. Starting the battery and the car.

Photo by marc falardeau

Redox relation to batteries:
batteries produce electrical energy from oxidation-reduction reactions. Electrochemical cells typically consist of an anode (the negative electrode where oxidation occurs), a cathode (the positive electrode where reduction occurs), and an electrolyte (the medium conducting anions and cations within a reaction) all contained within a cell.

Photo by drubuntu

Corrosion- electrochemical oxidation of metals in reaction with an oxidant such as oxygen. restricts ignition of engines because enough current is not drawn from batteries.

Electrolysis
chemical decomposition produced by passing an electric current through a liquid or solution containing ions.

Example 1:
decomposition of a solution of hydrogen chloride and water, yielding hydrogen gas at one electrode and chlorine gas at the other. When the product of decomposition is a metal, it is either deposited as a coating on one of the electrodes or precipitated as sludge.

Example 2:
Electrolysis of water is the decomposition of water (H2O) into oxygen (O2) and hydrogen gas (H2) due to an electric current being passed through the water.

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