Electrochemistry: Crash Course Chemistry #36
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Date: 2022-04-04
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Comments and reviews: 7
Stephanie
Not to be obnoxious - but I think there is an error in the equation at 1: 56. It should be -MnO2- not -Mn4O2-. The half-reaction at 2: 09 is correct, but the overall is wrong. If you try to do the oxidation numbers from the overall reaction you get two oxidations, but using the half-reaction at 2: 09 you get the reduction.
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Not to be obnoxious - but I think there is an error in the equation at 1: 56. It should be -MnO2- not -Mn4O2-. The half-reaction at 2: 09 is correct, but the overall is wrong. If you try to do the oxidation numbers from the overall reaction you get two oxidations, but using the half-reaction at 2: 09 you get the reduction.
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Nat93
Never understood chemistry. Actually hated it. After watching this video I understood things which my teachers were never able to make me understand all those years. I have become a fan of chemistry. Respect to you and chemistry!
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Never understood chemistry. Actually hated it. After watching this video I understood things which my teachers were never able to make me understand all those years. I have become a fan of chemistry. Respect to you and chemistry!
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Hala
I dont get why is it when the reactivity difference in the metal electrodes is very minor; less voltage is produce. And why if the 2 electrodes are the same metal no voltage is produced. Pls someone explain
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I dont get why is it when the reactivity difference in the metal electrodes is very minor; less voltage is produce. And why if the 2 electrodes are the same metal no voltage is produced. Pls someone explain
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MettaWorldPeace
Thank u for the Great video. oneday though humanity will learn how destructive Electricity,
Mozart and Shakespeare wrote by candle light, electrical power has destroyed human civilization
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Thank u for the Great video. oneday though humanity will learn how destructive Electricity,
Mozart and Shakespeare wrote by candle light, electrical power has destroyed human civilization
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Ruth
I have a quiz in 18 minutes on the topic and I have no idea on anything in the whole topic. I hope this info will be enough to get me a pass in my quiz --
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I have a quiz in 18 minutes on the topic and I have no idea on anything in the whole topic. I hope this info will be enough to get me a pass in my quiz --
reply
Aslam
4: 04 salt bridge is used to maintain electrical nuetrality and to make the circuit is closed. Its not function as metal ion carriers.
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4: 04 salt bridge is used to maintain electrical nuetrality and to make the circuit is closed. Its not function as metal ion carriers.
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Charlene
1: 55 I don't understand why manganese dioxide has a formula of Mn4O2, I thought it would be MnO2. Can someone please explain?
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1: 55 I don't understand why manganese dioxide has a formula of Mn4O2, I thought it would be MnO2. Can someone please explain?
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