How to Calculate Oxidation Numbers Introduction

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  • Опубліковано 14 чер 2015
  • We'll learn how to determine the oxidation numbers or oxidation states for a the elements in a chemical compound. The oxidation numbers tell us how electrons are divided up or shared between atoms in a chemical compound. The oxidation numbers also tell us how electrons move in an oxidation reduction (redox) reaction. There are a set a rules that we use to determine oxidation number. Group 1A elements (alkalai metals) always have an oxidation of +1. Group 2A elements (alkaline earth metals) always have an oxidation number of +2. Elements on their own have an oxidation number of 0, and monatomic ions have an oxidation number that is equal to the ionic charge.

КОМЕНТАРІ • 2,5 тис.

  • @UmarFarooq-yl6bf
    @UmarFarooq-yl6bf 8 років тому +5113

    the way you teach...the passion you show and simplest language you use.....makes you an outstanding chemistry teacher.God bless you.

  • @camileroux7260
    @camileroux7260 3 роки тому +519

    This whole comments section is just people roasting their Chem teachers 👩‍🏫

    • @michellewest6929
      @michellewest6929 3 роки тому +22

      They kinda deserve more hate than all the hate in the world squared. I have mad respect for my UA-cam teachers.

    • @ashutoshsamantaray2572
      @ashutoshsamantaray2572 3 роки тому +8

      @@michellewest6929 real teachers have a low pay. Ppl like you give them a lot of harsh words. Ofc few teachers are jerks. Just like every profession.

    • @stanley194
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    • @stanley194
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      Mad respect for this guy.

    • @PythonMFD
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      Not all teachers are shit. Sadly the majority don't teach too well, but there are definitely gems out there and I'm speaking from experience

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    Your back must hurt, by carrying all those good grades you are helping students get.

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    • @lysosome4684
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      Smooth 😂

  • @gamingwithhassan486
    @gamingwithhassan486 3 роки тому +401

    Goal: to be as happy as he is when studying chemistry.

  • @kap849
    @kap849 4 роки тому +879

    He should have said "If you learn my way, you will realise you have a really crappy Chemistry teacher.'

    • @josephineortiz3661
      @josephineortiz3661 3 роки тому +5

      yes, that is soo true

    • @emmanuelfagbola2485
      @emmanuelfagbola2485 3 роки тому +3

      true

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    • @stocktondavis5492
      @stocktondavis5492 5 місяців тому +2

      I like my chemistry teacher

    • @ilyasahmed8356
      @ilyasahmed8356 2 місяці тому

      Bro I have an important exam 2hrs from now and I am thinking what if there comes a question about rules of assigning oxidation numbers what am I gonna do I can't write these...these ain't in my textbook

  • @dl2415
    @dl2415 7 років тому +406

    When you realize UA-cam renders your university professor obsolete

    • @Yoongiluvbot
      @Yoongiluvbot 2 роки тому

      Ikr i wished teacher’s were like this

  • @Yourgirlsara.
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    You know you’re learning when the videos over and you like wow that’s it. That’s all there is to it ?? Hahah who’s studying during quarantine ?!

  • @ritusharma6592
    @ritusharma6592 2 роки тому +338

    Very well taught....Have high respect for you....Everyone should get a teacher like you

  • @joaquinmachado490
    @joaquinmachado490 8 років тому +418

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    • @tdewitt451
      @tdewitt451  8 років тому +135

      +joaquin machado I would love it if you made a donation! You can go to my channel pages (ua-cam.com/users/tdewitt451), scroll down a little bit, and click the blue "Support" button on the right-hand side. Thank you SO much!

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      @shariqraza6099 7 років тому +1

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    • @shariqraza6099
      @shariqraza6099 7 років тому

      +Tayyba Tbassum but thank u very much for this

    • @cliftonm6258
      @cliftonm6258 6 років тому

      Joaquin Machado ru from india?

  • @kundanrao4844
    @kundanrao4844 5 років тому +360

    I learned more in this video than I have going over this topic in school for 3 days.. Keep up the amazing work.

    • @Existentialcrisisaf
      @Existentialcrisisaf 5 років тому +4

      Could you please tell me in which class is this taught in india cbse board

    • @DarkStar1233
      @DarkStar1233 5 років тому

      same it made no sense to me whatsover and i have an exam in a few days and this helped a lot

    • @Itsme_rosy
      @Itsme_rosy 4 роки тому

      same same sameeeeeeeee, i was soo confused in class, but this one video was all i needed to understand it

    • @deekashkumar9099
      @deekashkumar9099 3 роки тому

      Anisha singh in 11th

    • @jinujoji3739
      @jinujoji3739 2 роки тому +1

      @@Existentialcrisisaf in 11nth class in cbse board india

  • @akamshababu4016
    @akamshababu4016 2 роки тому +80

    Hi
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    I couldn't understand even my native teacher teaches me, but ur video helps me alot..
    The day after tomorrow, my public exam starts, My first exam is (Chemistry).
    So... I'm preparing for my exam, but i couldn't understand how to calculate the oxidation number, so...i searched for a video on UA-cam and i found this. It helps me alot..
    Now i know how to calculate oxidation number.
    Thank you so....much 💝

    • @browney2496
      @browney2496 Рік тому

      The next batch is here😂 to
      Learn for my public exam and our last exam is chemistry

    • @browney2496
      @browney2496 Рік тому

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    @classifier_6611 4 роки тому +104

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    @DeYaa 5 років тому +294

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    • @OGtrushalpatel
      @OGtrushalpatel 5 років тому +15

      What did you get in the exam?

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  • @samdragonov6470
    @samdragonov6470 7 років тому +687

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    @T_he.Ax_O-loT-l_ 4 роки тому +16

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    @samantharandallbley3785 4 роки тому +2

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  • @meowzer3000
    @meowzer3000 8 років тому +87

    much better than the paragraph of rules written by my professor. thanks

  • @sonnyenduro
    @sonnyenduro 8 років тому +18

    Spent 3 hours with my native language speaking teacher, didnt understand anything,
    13 minutes on english video and i understand it now thanks to this guy.

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    @dawnrockett7344 2 роки тому +43

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  • @slimqt9224
    @slimqt9224 6 років тому +49

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    the vibe of this guy

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    @suhaylahmed9898 Рік тому +25

    still better than many teachers of todays time, thanks professor :)

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    I was SO lost when we covered this topic in class. At the end of this video, I was doing the problems on my own. Thank you!

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  • @sammyuber4010
    @sammyuber4010 8 років тому +32

    Definitely a visual learner, but you sir, have a magnificent way of explaining things in layman's terms which has helped me pass my class. Thank you sooo much! Hopefully you would consider explaining organic chemistry next? Perhaps?

  • @MegaDanny12345
    @MegaDanny12345 4 роки тому +13

    I seriously love you you have no idea 😂 I’ve been trying to understand what’s been going on in class for a couple of days but you explained it so nicely. Super organized. Thank youuu

  • @locolainey9650
    @locolainey9650 4 роки тому

    I remember finding this channel my towards the end sophomore year of high school when I had to take chem. I literally did not understand any of the class but this guy really helped me out in the end. Now I’m in my first year of college as a nursing major and I can honestly say no one else could ever explain things simpler than him. He actually makes chemistry really enjoyable and I really like the science that I HATED when I was in high school. He’s so great!

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      aw thats nice

    • @farmerguy7406
      @farmerguy7406 7 років тому +11

      +AllysayWhat You guys do this in college?!?!

    • @AllysayWhat
      @AllysayWhat 7 років тому +2

      FarmerGuy
      Yes in a more in depth way

    • @farmerguy7406
      @farmerguy7406 7 років тому +10

      Oh ok, I was freaking out 'cuz we are curretly having this in grade 10 xD

    • @AllysayWhat
      @AllysayWhat 7 років тому +7

      FarmerGuy
      Yea in college the first week or so is basic review some people in college have not taken chemistry in a good long while and need a bit of review

  • @rheaamte9015
    @rheaamte9015 Рік тому +1

    the best youtube teacher i've come across so far. a literal life saver i honestly don't know what i would have done without you like i'm finally starting to understand chemistry and it all seems so easy now, all thanks to you

  • @joshmorehouse335
    @joshmorehouse335 2 роки тому +4

    You have been a life saver. I'm taking chemistry online this summer, and you are basically my teacher. Thank you so much for your videos!

  • @sncerlyme8435
    @sncerlyme8435 8 років тому +8

    Thanks Tyler for all of your videos. I am struggling in Chemistry at the moment and your videos give me so much hope. With watching you and dedicating time to your videos, I am confident that I will actually be able to understand this stuff. So much to remember and grasp, but you make it so easy for me to get it. I really appreciate your help and I'd love to donate. You're the best! May God Bless

  • @jenzob5158
    @jenzob5158 4 роки тому +29

    Honestly, thank you so much for this video. Very much appreciated! You made it so simple to understand!

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    @noxoloshabangu2137 4 роки тому +1

    After 5 years of no schooling, I relate very well with what I did in high school as I a first year university student doing science and that is all through your videos. Thank you Tyler, God bless you...

  • @person2813
    @person2813 3 роки тому

    I used this video for Chem 101 when i started undergrad and now I'm back to appreciate it while studying for my MCAT. Thank you Tyler!!

  • @coralpotocnik955
    @coralpotocnik955 7 років тому +44

    Hi Tyler, I'm a chemistry student ,and at the moment we are learning Bond Enthalpy and Enthalpy of a Reaction is there by any chance you will be making a tutorial on that particular section soon? I really find your tutorials have been a great help when it comes to studying for exams and even just to revise. I hope you continue making videos

  • @suvamseebashisdas1403
    @suvamseebashisdas1403 5 років тому +6

    Sir.. U r great... U are one of the finest UA-cam teacher i have ever seen.. Thanks u sir for clearing my doubt.. Lots of love from India.. Love u sir

  • @theReal_Truth_XL
    @theReal_Truth_XL 2 роки тому

    Bro, after a long 20 years, I finally understand this thing. You deserve every subscriber you have and more. God bless you, man. You are fantastic at your job

  • @sirikilohit2077
    @sirikilohit2077 Рік тому +1

    Thanks a Lot Tyler !!! My textbook was so unclear about this concept. You cleared it in just 10 mins which is absolutely great! Thanks!

  • @Tasniest
    @Tasniest Рік тому +3

    Even after 7 yrs you still shine the most. I need a teacher like you in my school who is so passionate about their subject :"(

  • @Sforbethelem
    @Sforbethelem 3 роки тому +6

    Way better than my teacher

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    @samanthastaab9923 3 роки тому +2

    I seriously wouldn't have passed chemistry without you. You're a great teacher!!!

  • @fadya4409
    @fadya4409 4 роки тому

    Four years later and still watching this video. Thank you for helping students understand Chemistry. I love how you are smiling throughout the video. I wish we could all find someone who looks at us the way you look at chemical equations LOL.

  • @firaca100
    @firaca100 5 років тому +9

    You are a super brilliant teacher!! The vibes, the passion you have, just make us to love chemistry and can understand it better.
    I hope that I can found this channel early like when I was in high school. I will surely recommend this channel to everyone who studies chemistry. Btw, love your smile !!!!

  • @DuckFaceOfEpicness
    @DuckFaceOfEpicness 6 років тому +33

    I love how he acts like I’m not going to fail my science exam

  • @bangchanyeet7954
    @bangchanyeet7954 3 роки тому +3

    I LEARNT SO MUCH IN SUCH A SHORT TIME, BLESS YOUR SOUL!!! you’re such a good teacher wow

  • @ajeynager8452
    @ajeynager8452 3 роки тому

    My teacher didn't even make us go through these rules.....Tyler thanks, bro. I wish you could teach us but your videos are already coaching us privately with us having 0, absolute 0 doubts. You are the best. Thanks!

  • @bfnv9972
    @bfnv9972 5 років тому +6

    I'm gonna do the practice problem on the next video to help me remember how to do it, but no, I'm not shaky on this thanks to you. Your explanation is clear af.

  • @unknown-mn9wo
    @unknown-mn9wo 3 роки тому +3

    YOU DESERVE A MILLION SUBSCRIBERS I CAN TELL YOU HOW MUCH YOU HAVE HELPED ME !!!!!!!! Your explanation is more then great and you deserve more support

  • @pamelagonzalez7684
    @pamelagonzalez7684 Рік тому

    GOODNESS GRACIOUS!!! Best tutorial with this subject!! THANK YOU SO MUCH for taking the time to be very specific with your examples and explanations. TOTALLY what I needed!😊

  • @thecubesolverdhyeykumawat398
    @thecubesolverdhyeykumawat398 2 роки тому +3

    You are the best in the world Tyler Dewitt
    I was taught that periodic table is the backbone of chemistry but after few years of watching your videos I am realising that you are the backbone of chemistry.
    WE WANT YOU BACK TYLER DEWITT PLEASE COME BACK AND CREATE MOTE VIDEOS :)

  • @afiairshad
    @afiairshad Рік тому +6

    The way you teach...the passion you show and simplest language you use.....makes you an outstanding chemistry teacher.God bless you.

  • @benjaminonoghoro-zk4pi
    @benjaminonoghoro-zk4pi Рік тому +4

    Extraordinary,I understand chemistry more I have ever been taught, thanks to you great chemist❤

  • @jamesi9819
    @jamesi9819 5 місяців тому

    student here, your clear enthusiasm for what your talking about really help's you work through the lesson. I never really comment on youtube but I just wanted to say this was one of the most wonderful lessons I've ever had the pleasure of watching. Thank you>

  • @anuradhabalasubramanian9845
    @anuradhabalasubramanian9845 4 роки тому

    I am very new to Chemistry but the way you have explained , no words to express.Such a simplified way of teaching , I have never seen with anyone.Keep up your great work and lovely teaching Sir.

  • @jameswmhanson
    @jameswmhanson 8 років тому +15

    I saw you at 4:20 ;) couldn't resist saying "2 minus" and "1 minus" so you recorded yourself saying it properly and dubbed that in ;) really helpful, great video man!

  • @Shadowspy_og
    @Shadowspy_og 2 роки тому +3

    I am going to cry man
    Such good explanation literally it took 15min for understanding and in my class they are taking 1-2hr for this
    And also the rules u have given are soo good thank u soo much
    I recommended your channels to all my friends

  • @sendotiago1692
    @sendotiago1692 3 роки тому

    Ive been struggling to understand this topic under organic and inorganic chem unit at uni. My lecturer has been teaching this for 3 days and I have not understood a thing! But after watching this 13-minute video, I began to understand everything BETTER compared to the 3 day lecture at class. This guy makes chemistry lesson so fun and interesting, saved me from dropping out the subject.

  • @krayola5505
    @krayola5505 3 роки тому +1

    Hello, I know this video is 5 years ago but I'm really thankful for your videos because it helps me a lot in my online class. I love your passion in teaching. Thank you so much!

  • @drsum374
    @drsum374 8 років тому +54

    It was so confusing to me before watching this but now there is not something that and i will get good marks in tomorro exame
    Inshallha and i want to say thank you very much in my national lunguge ډیره زیاته مننه and keep working

    • @tdewitt451
      @tdewitt451  8 років тому +25

      Thank you very much! I wish you the best of luck on your exam tomorrow!

    • @mohatns1854
      @mohatns1854 8 років тому

      +Tyler DeWitt 5

    • @afgboy4143
      @afgboy4143 3 роки тому

      You national language is dari you should say تشکر

  • @sinoxolodubula4566
    @sinoxolodubula4566 Рік тому +8

    🥰he knows his story, to tell the truth 😍😍I'm always above 65% in chemistry because of these videos. Thank you so much sir🤩🤩🤩jeep up the good work

  • @henriklenning835
    @henriklenning835 Рік тому

    Watching this video might singel handedly save my last chemistry test. I was so confused by the rules that my teacher tought me and I felt like there was so much more that I needed to know to figure this stuff out. And it seems that was the case! Never once did they mention the rules about 1A having +1 and 2A +2 or that the halogens usually have -1! And the way you did the calcutaions so simple and easy to understand, love it! I know it's an old video but thank you so much for your help.

  • @beastzc7373
    @beastzc7373 3 роки тому

    My teacher just lectured on oxidation numbers and every time I come for any of the same concepts, I feel it so much easier to understand. Thanks for breaking everything down chief!

  • @ana.stuhec
    @ana.stuhec 8 років тому +5

    i can't thank you enough. I finally understand it. You are awesome!!

  • @crims0nmelody
    @crims0nmelody 5 років тому +20

    I fell asleep in class today and you just saved my ass. Thank you.

  • @bernasimsek302
    @bernasimsek302 3 роки тому

    This 10 minute video taught me more than an hour in class! You're amazing!

  • @mohammedhafiz8522
    @mohammedhafiz8522 3 роки тому

    The way you teach you actually care that people learn and understand rather than to make them feel thick and make cash on them. I wish you all the best.

  • @thechaosgardener
    @thechaosgardener Рік тому +6

    Thanks! I teach high school chem and I use your videos to give a second explanation and it helps because I typically forget details that are covered in your videos.

  • @jonigurl
    @jonigurl 7 років тому +17

    amazingggggggggggggg 1 millionx's better than all my chem professors!

  • @diamondxomsp2548
    @diamondxomsp2548 9 місяців тому

    I have been struggling with this topic for days now crying over every video being confusing and coming across this video has saved me for my chemistry test tomorrow, thank you i wish you the best!!!

  • @jackskxllxngtxn
    @jackskxllxngtxn 4 роки тому

    you teach so much better then the rest man. If i had you as a teacher in biology and chemistry a few years ago I would have saved thousands of dollars and what ultimately amounted to a years worth of time.

  • @wideboi5892
    @wideboi5892 4 роки тому +7

    Ey man I hadn’t a clue until now u brings a tear to my eue

  • @ConcealedGrapplingandMMA
    @ConcealedGrapplingandMMA 8 років тому +8

    Thanks Tyler, your videos are really helpful.

  • @nadinehenson8402
    @nadinehenson8402 3 роки тому

    HI TYLER!!! thank you so much for your videos. I may be years late, but I am grateful for all your content. I am sure these lessons will help more students in the years ahead!

  • @joonchoi5904
    @joonchoi5904 3 роки тому

    This man is one of the few people im not bored learning from. Would not mind AT ALL sitting here for hours watching these videos.

  • @blitzzzd1212
    @blitzzzd1212 5 років тому +5

    Thanks you so much Sir!!!!! The explanation was brilliant

  • @retailerz1347
    @retailerz1347 6 років тому +9

    Thanks a lot! now i understand this topic fully !

  • @maemae9774
    @maemae9774 2 роки тому

    Hands down to this man!!!! I felt so genius after watching several videos for our next topic. It's a good thing that I did advance study by watching your videos. You are the besttt♥️♥️♥️

  • @Naaxdoley
    @Naaxdoley 4 роки тому

    OMDS 😱😱. Thank u so much. I have never loved chemistry so much until I watched this video. I was finding it too difficult in class but u have made it understandable. Continue this hard work u r really helping of thousands of people.

  • @iamsweetpotato2285
    @iamsweetpotato2285 8 місяців тому +3

    Learning chemistry is a struggle i am in grade 9 and my dream was To be a chemist which soon died cuz i found chemistry too hard and then i discovered your channel and when i watched one video i realized that I didn't even realized that time was passing cuz i actually enjoyed and understood stuff thank you very much for being this GOOD OF A TEACHER WE LOVE U SIR

  • @unbreakableyouth5376
    @unbreakableyouth5376 5 років тому +26

    I love when you smile ☺ 😂 it enhances you're look plz always smile like this and make us also to smile by your fabulous teaching skills love you bro and thank you so so much 😍 😎 👌

    • @muhammadidreesshaheen6393
      @muhammadidreesshaheen6393 3 роки тому

      And follow smiling till the end with same teacher you future will hopely shine unbelivable teacher me belongs to pakistan as student of fsc (age 22) but still watching him every time

  • @littlethingification
    @littlethingification 2 роки тому +1

    😲🤯 In a good way... thank you Tyler for explaining this so well to me!!! I have been struggling for hours now trying to figure out what my professor was talking about in class today. He was upset that we couldn't figure this out, but he was all over the place with his explanation. I felt so dumb. So thank you so much for boosting back my confidence!

  • @nubbosaur
    @nubbosaur 4 роки тому +1

    this channel is absolutely saving my butt for MCAT chem!

  • @josieclark6252
    @josieclark6252 Рік тому +3

    This was so incredibly helpful!!! Thank you!!!

  • @tarunrao3662
    @tarunrao3662 7 років тому +3

    one of the best eloborated video for oxidation number.....

  • @mattiazammarchi6294
    @mattiazammarchi6294 4 роки тому

    Finally a competent teacher who knows chemistry! Thanks for sharing

  • @HaleyGirl923
    @HaleyGirl923 4 роки тому

    THANK YOU!!! Taking my MCAT in two weeks and you finally helped me understand this concept :)

  • @imseokjinswindshieldlaugh9847
    @imseokjinswindshieldlaugh9847 3 роки тому +5

    This literally gave me the chance to pass my exam, so thankfull🙏🏻💜

  • @far2kthoughts158
    @far2kthoughts158 5 років тому +45

    can you teach my teacher pls... so she could be better at her job... Thank You

  • @ARX213
    @ARX213 2 роки тому +1

    Your the best Chemistry teacher I've seen!! I'm sooo glad I clicked on your video!! I'm subscribing to you right now!!

  • @SarahUddinZ
    @SarahUddinZ 4 роки тому

    I'm a chemistry tutor. MAD PROPS ON YOUR TECHNIQUE. I send my students your videos to review what we've learned in our tutoring sessions.

  • @theimprovist4158
    @theimprovist4158 7 років тому +4

    Best chemistry instructor!

  • @KevinSmith-zb5jr
    @KevinSmith-zb5jr 8 років тому +10

    That was excellent you are a great teacher God bless your heart

  • @jeloh.i7941
    @jeloh.i7941 9 місяців тому

    Thanks bro, this was 8 years ago but I learned a lot watching a 13 minute video. I was having a hard time understanding this rules on my chem book so a big thanks to you my g.!

  • @ellabougher3226
    @ellabougher3226 4 роки тому

    oh my gosh, thank you. My teacher is horrible and my textbook just threw a bunch of random ON rules at me without really organizing or explaining them. you're a lifesaver!!

  • @skunkysettings6567
    @skunkysettings6567 8 років тому +16

    should re-name the segments " Learn to do it with Dewitt!" keep the rock rolling! doing great things here

  • @insanexxxxxxx
    @insanexxxxxxx Рік тому +3

    Huge respect to you Sir by heart ❤.

  • @iulianpuscoiu4688
    @iulianpuscoiu4688 3 роки тому

    Man you saved my life! thank you for such a clear and easy way!!! God bless you!

  • @acholnyuon6137
    @acholnyuon6137 3 роки тому +1

    general Chem 1 online during a pandemic is not fun...but these videos help. Thank you...we can tell you definitely put a lot of work into these videos. It shows and helps a lot of students!