when you said "add the electrons to the side thats more positve" it makes it so much better to understand. Thank you. Great video!

I am crying tears of pure happiness and relief. You, my friend, are a genius. Thank you so, so much.

Good shit man!!! These redox equations were giving me a headache, but the way you phrased everything made complete sense. Two thumbs way up!!!

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I watched 10 other videos before this one, and this one is the best one ! Thanks !!

life saver. i spent three hours trying to figure this out from my lecture notes... smh i should've just watched this to begin with.

know this video was made 6 years ago... but this helped me so much, i actually understand this now, thanks a lot :)

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learned more in 15 minutes than my teacher taught in an hour. You da real MVP :,)

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this is very helpful and its more simple then in the book.

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helped me a lot with adding electrons step. thank you!

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@christopherhoolihan IO3- is the iodate ion, a polyatomic ion, (it's an iodine atom bonded to 3 oxygen atoms and together they pick up an extra electron for a 1- charge). Since there are 2 of them (and they're a 1- each), they give you a total of -2)

awesome!! thank you so much!! test in… 3 hours! haha this was fantastic, i appreciate your time and effort to help

Thank you! You literally save our lives.

He explained it well. Thank you, this helped me a lot.

THANK YOU SO MUCH FOR THAT BALANCING CHARGES!!!!!!

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how did you multiply one of the half equations, and how do you know which half to multiply?

Thank you so much, this was very helpful!

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the 7 dislikes were bio majors lol

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It was really helpful sir!! Keep up the good work and keep the cideos

do you always have to take the electrons away from the most positive side?

when u split it into two half reactions, do u keep only the atoms/ions/elements that are covalently bonded to the oxidizing/reducing agents? what if hydrogen's bonded to the oxidizing/reducing agent? do u include it too?

How would I combine the two reactions to form a balance redox reaction? Cl2 + 2e- => 2Cl- Cr=> Cr+3 +3e-

Because there aren't any individual oxygen molecules or oxide ions at that point. If I understand your question, at 8:02 I am talking about the iodate ion (IO3 with a single minus charge). It is a polyatomic ion.

Sooooo frickin helpful! I was soo lost before this.....do have any on solubility and pH

I was wondering what if you have a H2O atom already on the product/reactant side how will this affect the final reaction?

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What is the difference between this type of balancing and normally balancing equations? like in stoichiometry

You are accounting for the transfer of electrons. Also there can be changes involving water/hydrogen ions/hydroxide ions that don't typically come up in the "normal" balancing problems.

Thanks sir, amazing video !!

I was trying my best to sound like Earl Camembert!

What happens when one of my half reactions is missing an element? For example one half reaction being: NO2 --> O2 How do I balance the nitrogen?

Ah, brilliant! Thank you so much :)

These reactions take place in acidic solutions. Therefore there are many water molecules and H+ ions available to participate in any reaction. If you need sources of oxygen and hydrogen atoms to make the reaction balance, that means the water molecules and H+ ions are part of the reaction.

really helpful. thank you

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Great video

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Thanks a lot now I see my mistakes when balancing the charges

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Thanks you so much!!!! my text book does Redox equations the long way, its so much easier to use this method :-)

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why you add 2 e- not 1 on the left side ?

Why is the Iodine charge 0? and why is the H2O charge also 0? Thanks!

Prof !! if it wasn't fr you .. i think i wud fail my exam :P :P Thanks a million (Y) (Y)

if every teacher were like you everyone would be getting A's in chem!

Very helpful! Thanks 8)

very helpful, thanks

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how do u know the charge on ions?

it helps a lot!!!!!!!!!!!!!!!!! thanks :)

Why does the I2 have a zero charge?

Excellent. Much better than Khan academy...

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Thank you.

Thanks!!

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Because it is electrically neutral. It is not an ion (it isn't positive or negative).

Thanks.

thnx a lot...

Thankx alot sir.. :)

Keep the videos coming*

I can't manage to get the e- not to end up on the same side in both half equations... Trying to do NO3- + CU ---> NO2 + Cu²+

@Chem2Farr

9 жыл бұрын

Cu --> Cu2+ is more positive on the right side, so the electrons go on the right. For NO3- --> NO2, you must first balance for O and H; after you do that, it will be more positive on the left and the electron will go on the left.

@dsofe4879

9 жыл бұрын

Chem2Farr Thanks, I'll try that again.

Why is Iodine's charge 0? Would it be -1?

@TheMelonStorm

9 жыл бұрын

Cowerzz Any element by itself has a charge of 0.