science_guy1
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which terminal is the cathode
i see two different definitions for a cathode. in a cathode ray electrons flow from the cathode to the anode. in a galvanic cell electrons flow from
the anode to the cathode. am i missing something or are there two opposite definitions?
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elementcollector1
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The thing you're missing is that the electrons run the opposite way for each device (galvanic gives off electrons, cathode ray and electrolytic cells
intake electrons).
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DraconicAcid
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The Cathode is where reduCtion takes place.
OxidAtion takes place at the Anode.
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Write up your lab reports the way your instructor wants them, not the way your ex-instructor wants them.
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Endimion17
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or, even simpler mnemonic device:
cathode - reduction (consonants)
anode - oxidation (vowels)
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BromicAcid
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These are the two I fall back on most of the time.
RedCat - Reduction occurs at the Cathode
OILRIG - Oxidation involves loss, reduction involves gain (of electrons)
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Fantasma4500
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not sure if this is what youre asking for, but i remember anode and cathode as A+ as the grade A+ (Anode is plus, +) where cathode is the opposite (-)
the positively charged metal ions will go to the negative end (opposites attract) aswell as hydrogen
if you run electrolysis through water it should be easy to see as theres much much more hydrogen formed than oxygen, also bubbles rise faster due to
less gravitational weight and many times lower density than oxygen (16 times less)
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