Standard Reduction Potentials
Standard hydrogen electrode The hydrogen standard electrode is a platinum electrode plugged in a 1 M solution of H+. This platinum electrode should be in equilibrium with H+ at 1 atmosphere of…
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Electrochemistry
Polarity of Water
Structure of Water Molecules Water molecules are polarized, giving them slightly positive and slightly negative sides. This makes water even more susceptible to a charged rod’s attraction. As the water flows downward,…
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Polar Molecule & Nonpolar Molecule
Switch On Polar molecule A polar molecule is a molecule with an unequal distribution of charge, resulting in the molecule having a positive end and a negative end. (ex. Water) Nonpolar molecule…
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Electrolysis of Water
Run Electrolysis of Water To electrolyze water, a dilute aqueous NaOH solution is used as an electrolyte and a carbon or platinum rod is used as an electrode. When water is electrolyzed,…
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Electric Plating
Run Electric Plating Electroplating is a technique of depositing a thin film of another metal on the surface of a metal. (-) electrode is connected to the object to be plated, (+)…
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Chemical Cell (Voltaic Cell, Daniel Cell)
Run Electric production before Voltaic Cell Before a chemical cell, such as a battery, there was only one way of knowing how to produce electricity. It is rubbing amber, glass, or metal.…
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Activity Series of Metals
Run Ionization tendency of metal The tendency of metals to lose electrons and become cations is called the ‘ionization tendency’. The ionization sequence is an ordered list of ionization trends. The greater…
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