1•Some Electrical Properties of Aqueous Solutions• Reactions of Acids and Bases• Precipitation Reactions• Reactions Involving Oxidation and ReductionWater: the universal solvent• ¾ of Earth’s surface• water in living organisms Chapter 4Chemical Reactions in Aqueous Solutions24.1 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 Illustrated4•Another type of current: anions and cations moving through a solution as shown here. •Cations move to the cathode, anions move to the anode.