stoichiometry tutorial

[ComandaJoeLM]

THX Thousand times!

[slickgamer007]

Is it normal to learn this in highschool?

[MsBlazingAmazing]

where did the n come from??

[luisrvengon42]

@captfizzix , Thank you. :)

[ToyMachineToy]

I hate chemistry. I've been grounded all semester because of it... and my teacher can't even teach it on top of that.

[thespartan95]

@ToyMachineToy same here i can read it 20 times and still never get it im just hopeless

[Cashcraterefhax]

@ToyMachineToy I feel your pain

[MNflysociety]

Why don't teachers teach like this.

[captfizzix]

No, they are not the same. The molarity is a concentration in moles per litre. The molar mass is the amount that a mole of an atom/molecule will weigh. I have videos on the mole concept that gets at molar mass, as well as a few videos on concentrations and molarity.

[juanarruti]

Is the molar mass the same as molarity? because my teacher uses M symbol for molarity.

[krisrobbie1]

I hate my chemical engineering course because of this lol

[SteveFromAus1]

I wish you were my chemistry teacher!

[rivieraxia16]

THANK YOU. A LIFE SAVER.

[Bacbayboyz]

you saved me from sucking my teachers dick dude..... no lie.

[johanna1234100]

thank u!!!!! this helped me a lot....=]

[polyphemus91]

THANK U SO FREAKING MUCH

[jvancil1]

This really did help! thank you so much

[carlisaturtle]

THANKYOU!!!!

[soccerafghan]

Thanks alot it really helped..

[Jkenn777]

great tutorial! youre better than my teacher in chemistry!

[MonsterHunter721]

You sound like Microsoft Sam

[NaviiAvii]

@MonsterHunter721 lol haha

[12adwhetsel]

thanks bro

[HeyYouPMme]

i know this so well this is EASY!!! idk why people say its hard...

[greenpalaka]

---ONE OF MY HINDRANCE, ON BEING A VETERINARIAN

[Eeclipse7]

Love my Chem teacher to death, she is smart, nice and funny but she just moves so fast when she explained this it made absolutely no sense.

[kldudmp]

@Eeclipse7 I'm the total opposite. I hate my chem teacher to bits, she's stupid, a bitch and crude. She can't teach for shit.

[MIST3RP3NGUIN]

Thanks for the help

[Neziwi]

space out for 10 seconds and you're lost -__- nice tutorial though

[TheAzwildcat12345]

@Neziwi thats chemistry for you haah

[nazbites]

i hate it.

[blazerownsyou]

chemisery

[noidentity07]

would 30^2 would be the limiting reactant?

[captfizzix]

@noidentity07

Do you mean the 3 oxygen molecules? (3O2) Regardless, there are no limiting reagents in this calculation. I've just worked out how much aluminum will be produced in 25.0g of aluminum oxide completely decomposes. the only thing limiting this is the amount of aluminum oxide.

[KatsAndBees]

@captfizzix limiting reagants only occur when there is a synthesis reaction or at least 2 products to work with

[termator12]

@noidentity07

[klove9456]

what does the N mean?

[DalekGirl93]

now im hungry

[LSMJenny]

u just helped me pass chemestry!!!!!! im forever greatful!

[Msmmyeahmm]

dont get it...

[sts31191]

the calculator is an emulator of that particular ti graphing calculator.

[tasatful]

Chemistry just got harder with stoichiometry... *sigh*

[Msmmyeahmm]

@tasatful trueeeeeeeeeeeeeee

[lelee156]

how in the heck did u get to pull up a graphing calculator up like that!!!????

[divinecm]

@lelee156 I think it is a virtual calculator. :))

[RealFutureStar33]

I have a test today.

Everything i dont understand is going to youtube.

I think ima fail this test i have studied at all period.

[mzdbnell]

I should of seen this before taking my test today!

[Msmmyeahmm]

@mzdbnell haha i have it tom :/

[bedtimeanimals]

You rock captfizzix! This video make the light bulb go off! Keep making these videos, they are very helpful!

[cloutiercc]

thanks! i'm going to ace my test tomorrow!

[c2vball7]

THIS HELPED EXTREMELY!!! I understood in 9:20 what I couldn't get in many weeks of teaching. Thank you Thank you Thank you Thank you! I'm ready for exams now lol.

[captfizzix]

Anu51000 - you've got it.

[anu51000]

k...so that means that we should put the want equation by given equation which is aluminum by aluminum oxide....is it like that??????

[anu51000]

but y do we have to do mole ratio as 4:2..? plz answer..

[captfizzix]

@anu51000

well, for that particular question, we are comparing the amounts of aluminum (Al) to aluminum oxide (Al2O3). In the reaction the numbers in front of those symbols are 4 and 2. Those numbers in the reaction are always the key to figuring out how much stuff is needed or produced in stoichiometry questions. You want to know how much Al is made from a known amount of Al2O3. This means you have to use the numbers from the reaction for those 2 chemicals.

[anu51000]

but y do we have to do mole ratio as 4:2..????????plz answer

[tomparkie021]

thanks dude, helped allot

[kristindalz]

this is so helpful. thankkk you!

[Meatcake33]

I need more than 1 slice of cheese in my sandwich lol! Just kidding, great video, cheers! Still hate chemistry though.

[FrostR3b0rn]

Great video!

[iseesquares]

my science teacher likes to look smart so she teaches it all fudged up... thank you kind sir

[XxorangebunnyxX]

THANK YOU!

this was very easy to understand!

I am sure ill pass my final all thanks to you! ^___^

if only my teacher was as good at explaining like you *O*

[5hak3itup]

that bike has training wheels, so its got 4 wheels :S

[Masterhalo867]

Stoichiometry is in no way "fun," in fact it depresses me every day i have to sit and watch my teacher tell me this crap

[yake12]

thank you so much my chemistry teacher is terrible compared to you :) this video made up for 3 weeks of terrible teaching... hats off to the chem teacher who made this video!!!

[MrChodiya]

I still don't understand =[

[XaveX13]

This was perfect. I have my final tommorrow and needed a good simple way of it being explained to me. I didn't understand this at all while my teacher was going over this!

[laterzp1g]

using this video i got 124/125 for my university stoichiometry exam , thankyou , i am now a pharmacist thanks to you! <3

[spits809]

eyyy..thanks man really helpful

[shemulable]

your good

[scottclements78]

I spent half the weekend trying to figure this out. Now I have another go and there it is. I could not interpret mole ratio and now I see it. I have learnt my first stoichiometry equation. Now I just need to remember it. This is a good teacher and presentation.

[RayLedgend]

XDDDDDD! My Chemistry teacher in High School always had a wierd way of saying the word Stoichiometry =P But it's been years since I've taken chemistry. I forgot Stoichiometry until watching this =P

[Confliicted]

THANKYOU OMFG

[amanda38817]

It was great until the ending >.> Argh, Chem T_T

[Skylineownage]

N=m/M.. I believe it means moles=mass/molar mass.. correct me if i am wrong

[kogybear]

you are the greatest man that ever LIVED i passed my exam thanks to you

[Teekiemertle]

I just really want to say thank you sooo very much. you are an awesome teacher. u really helped me understand this! thank u thank u thank u! may u plz do percent yield and error? and solutions and dilutions as well. Im going to try and look and see if uve done those already, if not then that would be awesome!!!!

[Strike0329]

what does the 'n' represent in this equation????

[kashmier1184]

@Strike0329

avagadros number i assume

its 6.02 times 10^23

[spartenforver]

I would love to have a chemistry teacher like you. My teacher didn't even give me all of the stoichoimetry equations and then gave me a packet to due witht he equations in it that she never taught.

[orangegold1]

finally understand it all!!! its just ((grams1/molar mass1)*mole ratio)molar mass2 = grams2

[budds]

Can you explain that equation?

[Th0roughBreed]

"hopefully this helps you out"

I LOVE YOU. My chem teacher is a very old man and its an excruciating pain to try and decipher some of the things he says. This is so simple and in 10 mins i understsand the basics of the topic. Thanks you 5/5

[SuperLittlemushroom]

"I hope you got something out of this.." YES!!! Oh my God. It took 9.20 minutes to understand what I've been struggeling with for so long. Oh my God. I'm so happy I could cry. THANK YOU!

[aIiceinwonderIand]

Thanks sooo much! My chem teacher's okay, but I always got confused about writing out equations when they don't give it to you. I get sstuck on problems, so this really cleared that all up! Please keep doing what you do, cuz youre amazing at it :)

[Annakin615]

YOU ARE MY HERO! how many more videos do you have?

[colonshaguar]

if only my teacher could explain it as well as you did. great vid 5/5

[nicolyrandomluv]

Thanks a lot. ;)

[Aisunas]

Thank you!! It really helped out A LOT =)

[Jumbiiiee]

You are god. <3

[MarkTwainist]

AH! My chem teacher is who knows where... all she told me to do was 'balance the equation- and you'll see the light' and then she called me blonde... I mean... I did say 'I do number eight right? the one before number nine?' but... I'm still in her advanced chem class... anywho- You were SUPER helpful! Thanks Mr.!

[brucee6shooter]

thanks for your help so much you`ve really helped me out alot in the matter of 9mins 20 and all the stress i went thru until i seen ur vid, cheers :)

[Alebubulubuena94]

I love your video!! I agree with "WarrenAch". I don´t know how my teacher became teacher, but well. I thank you so much for this help. You really explained this very well and in so little time!! THANKS!!!

[WarrenAch]

Awesome video...

My adv chem teachers really sucks at explaining problems properly,i don't even know how they became teachers...

Finally,i understand that shit...

Thanks !

[Specialist01xbl]

thanks! very helpful! ...wish my teacher would explain things like that...

[PrayingEagle]

Brilliant video. 6 weeks of teaching couldn't amount to this 9 minute video .. Thanks for taking it slow and not speeding through things, found this video very helpful!

[crazyrainbow123]

This was very good and easy to follow but you should have used dimensional analysis.

[matt99unc]

This makes more sense now, I couldnt understand it at all when my teacher tried to explain it.

[JenBichardson]

I have been struggling in Chem 1 for the past 6 weeks but just found your videos and I'm sure I'm going to pass the class now. Thank you so much!

[0000000000daniel]

good job on this video it was very helpful thank-you

[AIRJERRY15]

one word "AMAZING"

thnx for uploading this vid man. it really helped me review my chem 20.

God Bless!

[rtyo]

thanks for this

[ChristineIT]

thank you so much for taking the time to make this tutorial.

very appreciated!

[ahuvag17]

this is amazing! thanks

[luuek]

thanks so much keep up vids!

[StellaBellaOla]

thank you so much! this is so helpful!

[Xxwo0txX]

thanks alotttttttttt!

[zak4christ]

im hangin on a 65% in chem.last test is over this crap....it helped a ton

i hate chem

[CanYouFreeRun]

i was taught to solve for X, then cross multiply . . . and thats how I got 0.490. i'm going to ask my teacher, when i go to school. THANKS A LOT THOUGH IT ACTUALLY HELPED ME!

[lvijayalakshmi]

could u also give a lecture on polar effects,acidity and bascity and tautomerism please...........i think it'l be useful 4 everyone........

[lvijayalakshmi]

Thnk u soooooooooo much........ it was thought so well especially wid those xamples..........thnx 4 da gr8 effort to make it as simple nd user friendly as possible......i ve strted liking chem better after seeingdi ...i just hope everyone teacches like dis .......

[GradyRho92]

stoichiometry sucks its making fail chemistry

[noheli79]

ahhhh i hate chemestry

[CanYouFreeRun]

loooooooooooooooool

[darkangelsk8s]

@noheli79 Me 2 bro, my final is in 2 days XD gunna fail!

[ArunVevo]

@darkangelsk8s did u fail ?

[madzmejia]

@noheli79 haha and do you hate spelling also?

[coolpf]

thanx this helped alot

[LingEntityNoobi]

I had so much trouble with this at school!

I'll come back to this video l8ter, see if it helps =)

[richardedwardjones]

appreciate your efforts!

[capnwipe]

thank you!

[RadiantMuse]

Good Video

[CoolioKaitlyn]

thank you so much! this helped me understand stoichiometry a little bit more! my teacher didnt do a very good job of explaining it.

[littlebaby2303]

Awesome!!!! Thanks a lot.

[CMAG69]

Left my bookbag at a friends house on a weekend before chem exam, then was sick the next day so missed the review. Didn't have my Chemistry stuff and was stressing majorly by leaving it to the last second. Your video helped me so much. Thanks =D

[Garzoyle]

good video :D