chemistry - unit 4 - section 4: electrode

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Chemistry

A-Level Chemistry

AQA

Advanced Physical Chemistry

14 Terms

1
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half cells

one half of an electrochemical cell. they can be constructed of a metal dipped in its ions, or a platinum electrode with 2 aqueous ions

<p>one half of an electrochemical cell. they can be constructed of a metal dipped in its ions, or a platinum electrode with 2 aqueous ions </p>
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half cell with 2 aqueous ions

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electrochemical cell

created by joining 2 different half cells together by a wire, voltmeter and a salt bridge

<p>created by joining 2 different half cells together by a wire, voltmeter and a salt bridge</p>
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electrode potential

each half cell has an electrode potential (E^0) value that is measured in volts. it tells us how easily the half cell gives up electrons (oxidised)

<p>each half cell has an electrode potential (E^0) value that is measured in volts. it tells us how easily the half cell gives up electrons (oxidised)</p>
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the standard hydrogen electrode (SHE)

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