Electrochemistry: Crash Course Chemistry #36

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Chemistry raised to the power of AWESOME! That's what Hank is talking about today with Electrochemistry. Contained within, Hank discusses electrochemical reactions, half-reactions, how batteries work, galvanic cells, voltage, standard reduction potential, cell potential, electrolysis, electroplating, and the things that go into making it possible for you to watch this episode of Crash Course Chemistry!

Pssst... we made flashcards to help you review the content in this episode! Find them on the free Crash Course App!

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Table of Contents

Electro-Chemical Reactions 0:13
Half Reactions 1:42
How Batteries Work 1:47
Galvanic Cells 3:18
Calculating Voltage 4:12
Standard Reduction Potential 4:42
Standard Cell Potential 6:03
Electrolysis 7:24
Electroplating 7:02
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Pssst... we made flashcards to help you review the content in this episode! Find them on the free Crash Course App!

crashcourse

Is this designed for people who have tests in the morning?

doctorwhocolour

I failed my exam... but i wouldn't have been able to say I tried my best without you!

convict

Hank saving me from year 12 chemistry >.>

superficial

Hi Hank! At 2:10 the 4 subscript is a typo on the Mn for the left side of the reaction; there should be no subscript. ThePlasticModeler pointed this out a month ago, but there's no annotation yet so I'll reiterate it.

I love that you guys go back and correct mistakes with annotations; it gives these videos a peer review and correction process arguably superior to scientific journals!

CptProtonicus

Hank green!! The best Chemistry teacher ever. I had completely lost interest in But then, here comes Hank Green in crash course chemistry and TADA i love Chemistry again. All thanks to the great Hank Green. I love CrashCourse Chemistry and Vlogbrothers Hank is just too cool!!.

aryanshetty

I wish teachers could animate real life like this. it would make things so much easier

javianbrown

The point he says "if you were listening...." I break down. Was I really listening?

humairafarha

I'd have prefered more formulae in the crash course...
But yes he speaks at a perfect pace.

jesseinfinite

I love crash course! If only there were a CRASH COURSE PHYSICS!

SanjayGupta-hxri

that moment when you don't pay attention in class and came here hoping that maybe you could digest everything in minutes... yeah i'm good, just gon get some tissues and start creating excuses for my failures later

blue.nostalgia

This is the Chemistry that your teacher wants to teach but can't afford to due to having to adhere to a curriculum. My own class is mostly process, math and rote-learning based, using this "Crash Course" as a way to get a solid CONCEPT based understanding. Chemistry is often very boring material if you look at it in your textbook, but Crash Course makes it come alive.

The effort they put in is clear, and the devotion they have to the subject is real. Don't complain about them for not delving into equations enough: there is too much boring material already out there if you wanted it; read your textbook if you want problems and formulae.

berrywarmer