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Test water to tell if it has salt content without having to drink it first. Is there salt in your water? You can easily test this doing a simple science fair experiment. Salt acts as a conductor. That ...
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Discover the chemistry and history behind the batteries that power your mobile devices.
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La sección Classic papers de la web Classic Chemistry , del profesor estadounidense de Física Química Carmen Giunta, nos ofece un magnífico recopilatorio de artículos que describen hallazgos importan ...
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"A voltaic cell is the device in which the transfer of electrons takes place through an external pathway. The flow of electrons in a voltaic cell enable energy in form of electricity to be produced in ...
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"Half reactions are used for balancing oxidation - reduction reactions that occur in aqueous solutions. The sum of the oxidation and reduction half reactions forms the overall equation for the full re ...
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"Electrolysis is a process in which electrical energy is used to produce a chemical change that would not otherwise occur. First, an electric current is produced from a chemical using a oxidation-redu ...
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"Chemistry corrosion occurs as the result of the oxidation of a metal. It is the process of returning metals to their natural state which is ore. Most metals develop a thin oxide coating that protects ...
"The oxidation number method, also called oxidation states, keeps track of electrons gained when a substance is reduced and the electrons lost when a substance is oxidized. Each atom in a neutral mole ...
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"Oxidation-Reduction Reactions, also called redox reactions, are reactions for which the driving force is the transfer of electrons. Oxidation is the loss of electrons and the gaining of a positive ch ...
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