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Ch_04a_1002 - Chapter 4 Chemical Reactions in Aqueous...

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1 Some Electrical Properties of Aqueous Solutions • Reactions of Acids and Bases • Precipitation Reactions • Reactions Involving Oxidation and Reduction Water: the universal solvent • ¾ of Earth’s surface • water in living organisms Chapter 4 Chemical Reactions in Aqueous Solutions 2 4.1 Some Electrical Properties of Aqueous Solutions
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3 Electric current is a flow of charged particles. One type of current is electrons flowing through a wire, from negative potential to positive potential. Conduction Illustrated 4 Another type of current: anions and cations moving through a solution as shown here. Cations move to the cathode , anions move to the anode .
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