Calculating Molecular Formula from Empirical Formula

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  • Опубліковано 16 гру 2024

КОМЕНТАРІ • 940

  • @SlenderDictator
    @SlenderDictator 9 років тому +967

    I am so grateful their are people like you offering their intellectual property essentially for free

    • @dilli915
      @dilli915 5 років тому +9

      they put ads in their vid so they make money off it

    • @10ksubswithoutavideo23
      @10ksubswithoutavideo23 5 років тому +4

      @@dilli915
      Sadly barely enough based on views.

    • @yourfavouritescepticx8969
      @yourfavouritescepticx8969 5 років тому +1

      SlenderDictator he’s getting payed by UA-cam my g 😂

    • @10ksubswithoutavideo23
      @10ksubswithoutavideo23 5 років тому +3

      @@yourfavouritescepticx8969
      Yes but I doubt it's much.
      Maybe a few 100's

    • @utimateamvs1873
      @utimateamvs1873 5 років тому +5

      Thank you next vids Respect the theory for free as in he doesn’t charge the consumer

  • @ingridfekete4900
    @ingridfekete4900 9 років тому +165

    It is great to know that someone out there is passionate about chemistry and is willing to share their knowledge with others. Students often have teachers that don't care and just hand out worksheets so it is good to have something to turn to. Thanks!

  • @aaroncabral2322
    @aaroncabral2322 9 років тому +2482

    When you realize UA-cam videos are more helpful then your teachers lol

  • @sheni1905
    @sheni1905 9 років тому +1505

    How many sophomore lives were saved *raises hand*

    • @harleetudtud5861
      @harleetudtud5861 9 років тому +25

      Not sophomores but Juniors here in the Philippines! Wee

    • @sheni1905
      @sheni1905 9 років тому +6

      +Harlee Tudtud I'm actually a Junior now! But I learned that at the end of sophomore year. And im in the US.

    • @TheMrheartless
      @TheMrheartless 9 років тому +19

      +Sheni Adewale more like college -.-

    • @hameemal-hinai8661
      @hameemal-hinai8661 9 років тому +1

      +Yigit Can same in my school :(

    • @willjones4621
      @willjones4621 8 років тому +6

      +TheMrheartless I'm 14 and im doing this as basic stuff...... college people shouldn't be struggling

  • @aprilkeararivera1517
    @aprilkeararivera1517 3 роки тому +36

    He's saving me from my exam tomorrow
    I have difficulties on understanding virutal discussions. But mannnn, he's got the power . Thank you sir!!!!!

  • @nickcarter4474
    @nickcarter4474 8 років тому +52

    Best chemistry teaching channel I've ever discovered :) Wayyyyy better than my actual teacher!

  • @markkeith9055
    @markkeith9055 8 років тому +352

    I love how the one guys arm and hand movements totally matches the other guy movements. Who's the choreographer?

    • @ploopy677
      @ploopy677 8 років тому +50

      Mark Keith is this a joke

    • @markkeith9055
      @markkeith9055 8 років тому +71

      Either a joke or I'm a total moron. To even acknowledge that distinction makes me, at least not a total moron.

    • @abdullahiliban3226
      @abdullahiliban3226 8 років тому +7

      +Mark Keith hahahahahahahaha point u got there

    • @m2rwah
      @m2rwah 8 років тому +4

      hahahahahahhahaa, chemistry does that

    • @markkeith9055
      @markkeith9055 8 років тому +4

      No choreographer then? I get the chemistry part.

  • @xoxosh4826
    @xoxosh4826 8 років тому +120

    I have a chem midterm today and have been watching your vids all night. Thanks for the help!

    • @DiscoFerret22
      @DiscoFerret22 8 років тому +2

      +Sha I did that same thing for my last chem exam. haha I feel your pain!

    • @sweetkitty3005
      @sweetkitty3005 6 років тому +6

      xoxosh the real question is....did you pass??

    • @Shawn47474
      @Shawn47474 6 років тому +1

      @@sweetkitty3005 lol same question but seems he wont respond...Probly hit by a car or something.

    • @megacrazyscience1239
      @megacrazyscience1239 4 роки тому

      Did u pass??

    • @xoxosh4826
      @xoxosh4826 4 роки тому +6

      MegaCrazyScience 123 Haha yeah I got an A in the class! I’m actually finishing up nursing school. Made a major change 😅

  • @lokisalive
    @lokisalive 6 років тому +14

    i love how when something starts to make sense he smiles, it's super encouraging

  • @Solidude
    @Solidude 9 років тому +222

    omg.. i can't believe I'm learning

  • @gayagiri1415
    @gayagiri1415 7 років тому +5

    literally learnt this the night before my chem exam and I fully understood it through your magical teaching ways. Thank you for being such an angel, saving millions of lives out there.

  • @iheartfreddye
    @iheartfreddye 10 років тому +274

    Can you be my Chem teacher? :p, the way you explain it makes it really easy, thank youu.

  • @natalicohen4641
    @natalicohen4641 10 років тому +47

    Dear Tyler,
    You do a really great job! It's an important foundation. Thank you very much. Your explanation is excellent, clear and appeals to young students, as well as to college student, who need to review and renew their knowledge. Appreciated!

  • @paulbaker916
    @paulbaker916 9 років тому +1

    I've never felt the need to leave a UA-cam comment before but watching your videos is inspiring. I'm a 44yo chartered electrical engineer who knows little about chemistry. You're gift for teaching has me hooked on learning more & more. It's no wonder 'real' students of chemistry regard you with such deserved high regard. Keep up the great work. Thanks.

  • @tinatate7526
    @tinatate7526 9 років тому +43

    I have learned more from your videos than I have the entire semester in class.

  • @HZekinIrakihda
    @HZekinIrakihda 9 років тому +120

    funny how a teacher takes classes to explain the same shit over and over and u can learn the same damn thing in 10 mins frm youtube

    • @turbotortiose
      @turbotortiose 9 років тому +2

      +HZekin Zenith McQuaid Its because you're choosing to learn. Not listening to your teacher is up to you.

    • @geraldbrendon6707
      @geraldbrendon6707 4 роки тому +2

      @Pearl Sayarath exactly

    • @moodylasagne8432
      @moodylasagne8432 4 роки тому

      @F Rogers well, he is a high school teacher

  • @emilyhemming8048
    @emilyhemming8048 7 років тому +5

    I'm literally crying I've been struggling for a weeks in my chem class and just a few videos are finally helping me to understand things thank you

  • @gracemcginley5366
    @gracemcginley5366 6 років тому +8

    this man deserves so many awards he is the only reason I understand chemistry

  • @HPMatthew
    @HPMatthew 10 років тому +26

    Dude, if only every chemistry teacher is like you man! Thanks a lot.

  • @daniellececil7701
    @daniellececil7701 9 років тому +1

    I have a test in five days on stuff like this. I didn't learn a thing in lecture because my professor speeds right through everything, and I'm not great at things related to math in the first place. It's nice to have your videos to teach me the things I didn't learn. They really slow things down for me to be able to keep up. Thank you! :)

  • @lorib5323
    @lorib5323 8 років тому +8

    I absolutely LOVE your video series set up. Intro and then some practice problems. THOSE practice problems in ORDER OF DIFFICULTY are what actually make me learn... My teacher starts off with the hardest most complicated practice problems, then keeps talking and giving us exception rules... that he is trying to write with his mouse on the overhead in Microsoft Paint and I can't read anything... blah blah blah we are all totally lost.

  • @kickthenorm2453
    @kickthenorm2453 5 років тому +1

    I love this guy! I'm not sure if he realizes what an important part of society he is by helping so many students. Respect!

  • @Doom_Ibra
    @Doom_Ibra 9 років тому +100

    lowkey on the low this nigga actually clutched for me

  • @shelbyfarmer4463
    @shelbyfarmer4463 3 роки тому +2

    Just recommended your videos to my entire chemistry class. Your awesome! Your videos help out a lot!

  • @dabulls1g
    @dabulls1g 8 років тому +3

    can't wait to get to your videos on quantum numbers and thermochemistry. Thank you for making these videos, please don't ever lose your passion for science or chemistry in general.

  • @katpeery3627
    @katpeery3627 8 років тому +2

    He really makes learning this fun. I love how happy and excited he is to teach.

  • @EhHolfman
    @EhHolfman 9 років тому +3

    Watching your videos has gotten me two A's on my previous Chemistry tests, thank you.

  • @thesexyhitman1
    @thesexyhitman1 8 років тому +1

    you're honestly a life saver tyler, you're the best. 200% better than my actual chemistry. You're a very good teacher, i actually understand chemistry when i watch your videos

  • @LittleLauraWebb
    @LittleLauraWebb 9 років тому +48

    Do you want to fly over to the UK and come and teach me some A Level Chemistry? You're a million times better than my teachers!

  • @ianchristiansen3308
    @ianchristiansen3308 6 років тому

    Dude you're the man. This 9 minute video explained it better than my teacher over 3 classes. Thank you!

  • @HamzaAli-vs9tb
    @HamzaAli-vs9tb 4 роки тому +3

    i dont know why people dislikes Tyler's videos, they are a perfect source for learning chemistry

  • @albertwatson6896
    @albertwatson6896 4 роки тому

    OMG Tyler. A billion thanks for your time and commitment to make Chemistry a little more appetizing than an overpriced text book and a dry boring classroom setting. I need to pass my Chemistry class to go on to Nursing school. Your a huge part of my success in doing this. Thank you. Albert

  • @novamous777
    @novamous777 8 років тому +13

    You're a legend man, im getting ahead in class!!

  • @TheCreepyCoroner
    @TheCreepyCoroner 10 місяців тому

    I know I'm learning from you when I watch your videos because I'll figure out an answer fast then fast forward a couple times while you explain it to see if I got it right, and I almost always do! Tyler DeWitt you are my favorite teacher to learn chemistry from hands down.

  • @wkeon
    @wkeon 9 років тому +98

    THESE UA-cam VIDS MAKE ME REALIZE MY TEACHER CAN DO BETTER LMAO

    • @hameemal-hinai8661
      @hameemal-hinai8661 9 років тому +2

      you must have a really good teacher then ._.

    • @uhhVelvet
      @uhhVelvet 8 років тому +17

      +Hameem Al-Hinai he means that his teacher should do better

  • @amandabekka6636
    @amandabekka6636 7 років тому

    I had to watch a bunch of videos to not understand this at all but only needed 3 minutes hearing it from you to completely get it. Lesson learned, come see you first!

  • @b1782w
    @b1782w 9 років тому +3

    You're an awesome teacher ive learned from helping my wife in her chen class and just the few vids ive watched I learned how to balance equations and figure out empirical formulas in literally seconds. Wish I woulda had this kinda technology (youtube) when I was in school bcuz I woulda stayed in lol

    • @Shawn47474
      @Shawn47474 6 років тому

      what?!?!?!?? U help ur wife in chem class like how old are you?

  • @jeannalistens
    @jeannalistens 10 років тому +1

    I finally get it !!! Best teacher I've ever witnessed !! You explained it so well! Thank you !

  • @nasimkhamooshian4893
    @nasimkhamooshian4893 8 років тому +4

    You are the only one who I can learn from! :D You make chemistry soooooo easy!!!! please make more videos, pleaseeeeeeeee :) THANK YOU SO MUCH

  • @RemiToast9
    @RemiToast9 3 роки тому +1

    I swear this kinds of videos are a lifesaver, They are better at teaching than my textbooks that i read, thank u so much

  • @LynnLoveShow
    @LynnLoveShow 9 років тому +24

    OMG I LOVE YOU! i was worried for upcoming exam and u saved me !!tq

    • @agungdewi9706
      @agungdewi9706 9 років тому +2

      GD MORNING smile is happy day n success to you

    • @agungdewi9706
      @agungdewi9706 9 років тому

      Sorry me no on is the twitter..most is people problem is me ..Pls sorry

    • @alicronaldohitman
      @alicronaldohitman 9 років тому +3

      Agung Dewi wut?

    • @SkillUpMobileGaming
      @SkillUpMobileGaming 7 років тому +1

      I literally have an exam tomorrow... probably shouldn't be reading comments right now but this guy's teaching skills are so great that I feel confident enough in my score tomorrow that I'm wasting time...
      what is fucking wrong with me

  • @kittenboy2251
    @kittenboy2251 3 роки тому

    I found this video sooo much helpful. Eventhough it is 7 years ago, I still wanna thank u alot for making such an detailed video on a single formulae.

  • @zemo8857
    @zemo8857 9 років тому +13

    you are better than khan academy in Mole Times!But I don`t know exactly why you don`t have subscribers as them!

    • @Shawn47474
      @Shawn47474 6 років тому +5

      the more subs a youtuber has...the worse they become at their job...ITS CALLED FAME

    • @josephdahdouh2725
      @josephdahdouh2725 5 років тому +1

      Cause the education he just gave was really simple, doesn't deserve much appreciation.

    • @maty7778
      @maty7778 4 роки тому +3

      @@josephdahdouh2725 It was simple because he took a lot of time to explain it in a simple/understandable fashion

  • @rehmansoomro772
    @rehmansoomro772 6 років тому

    UR WAY OF TEACHING OR DESCRIBING EVERY THING IS REALLY EASY AND TREMENDOUS . THANK UUUUUUUUUUUUUUUUUUUUU SOOOOOOOOOOOOOOOOOOOOOOO MUCHHHHHHHHHHHHHHHH

  • @SudoTech
    @SudoTech 8 років тому +6

    AP Chem just got a lot easier. Thanks man!

    • @carson6495
      @carson6495 6 років тому

      I might not fail chem 100. Gotta do good on the final or retake the class.

  • @vanessaalvarez3001
    @vanessaalvarez3001 8 років тому +2

    You are probably the only reason I am passing my chemistry exam. Thanks!

  • @TheMrheartless
    @TheMrheartless 9 років тому +80

    i love this man and will marry him !!!!!!!!! i passed chm with an 98.7% because of him holy shi..... THANK U!!

  • @mayasabba
    @mayasabba 2 роки тому

    Thank you so much! My daughter was told to transfer by her teacher, she decided to stay, and despite his horrible attitude and bad teaching, she is passing and understanding chemistry thanks to you.

  • @SonicFanChris4
    @SonicFanChris4 4 роки тому +7

    I'm in self isolation right now. Even though my teacher can't teach me right now, I think these videos do a better job anyway.

    • @_hazelnut.coffee_
      @_hazelnut.coffee_ 4 роки тому +2

      same. physical school has been cancelled for the rest of the year for me, but its not like i wasnt already using these videos more often than my notes lmao

    • @val-lb3mf
      @val-lb3mf 6 місяців тому +1

      i cant believe covid was 4 years ago wtf

  • @rayhantasmaya2240
    @rayhantasmaya2240 8 років тому

    I've been failing in the last quiz about molecular formulas, and this video actually helps. Thank you.

  • @ashleycollins5455
    @ashleycollins5455 7 років тому +4

    he is so adorable. that make's his work more and more interesting. 😍

  • @phdesired
    @phdesired 8 років тому

    THANK YOU for ALL the teachings!! It helps me so much! I wish you were my everyday Chem teacher! You are truly gifted to do this! I crown you as, Chemistry King!

  • @beezyforeezy
    @beezyforeezy 9 років тому +17

    This is helpful, but it would be better if you didn't use such easy examples that come out with perfect numbers.

    • @Danisdiaryy
      @Danisdiaryy 2 місяці тому

      Its for understanding. If you get this you will be able to do harder questions.

  • @lovapumpkina8961
    @lovapumpkina8961 8 років тому

    I've already referred like 5 classmates in my IntroChem class to your videos because you're so awesome. Thank you man!

  • @farisk8988
    @farisk8988 10 років тому +7

    Very good at explaining omfg so easy to learn from you, you teach the way i can learn

  • @vanessacarbuccia2470
    @vanessacarbuccia2470 7 років тому +2

    he should seriously be a professor! I have learned more form you than any of my chem professors!

  • @portela_sastre7102
    @portela_sastre7102 8 років тому +9

    You're a freaking god dude

  • @spacetimecontinuum6546
    @spacetimecontinuum6546 Рік тому

    Words cannot express how much I love this man. Thank you tyler, you saved me!

  • @kaheelan
    @kaheelan 9 років тому +10

    Thank you man. You made my day 👍🏻 but do we have to memorize the molar mass of EF or it usually will be given on the exam?! 😁

    • @tdewitt451
      @tdewitt451  9 років тому +26

      You should know how to calculate the molar mass of a compound when you see its formula. I've got a couple videos on that. Check out my stuff about molar mass.

    • @RuhabDabeer
      @RuhabDabeer 8 років тому

      Tyler DeWitt How to find the molar mass of the empirical formula

    • @lunak6043
      @lunak6043 6 років тому

      kaheelan WTH MEMORIZE?!

  • @jihyunmin8352
    @jihyunmin8352 9 років тому

    OMG THANK YOU FOR THIS VIDEO! We just started this unit but because of state wide tests I had to miss class! This literally is the best explanation ever. You made it so clear for me to understand! THANK YOU!

  • @Spasticmir
    @Spasticmir 9 років тому +4

    Thank you so much dude! Chem finals coming up!

    • @mightburn7664
      @mightburn7664 3 роки тому

      i know its been 5 years, but i would like to know....
      How did they go?....

  • @gabrielsalvat8134
    @gabrielsalvat8134 3 роки тому +2

    Bro how have I learned more from this guy then my chem teacher

  • @anmoljoshi7250
    @anmoljoshi7250 9 років тому +4

    This is great, but could you also make a video about hydrate, oxide, and combustion analysis?

    • @anmoljoshi7250
      @anmoljoshi7250 9 років тому +4

      Why?

    • @turbotortiose
      @turbotortiose 9 років тому

      +Anmol Joshi I've no clue what's wrong with that guy lol.

    • @lunak6043
      @lunak6043 6 років тому

      Anmol Joshi
      I have the right notes for that lol

  • @ngaleng_lolz
    @ngaleng_lolz 3 роки тому +2

    You are a literal life-saver, sir😭 almost had a breakdown because we have an upcoming exam tomorrow and i've got no clue about this topic lol your explanations are easy to comprehend. You are an excellent teacher ❤️

  • @spooncook254
    @spooncook254 10 років тому +6

    Genius. Enough said.

    • @Shawn47474
      @Shawn47474 6 років тому

      ESCALERAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA

  • @swarnimranjan1514
    @swarnimranjan1514 6 років тому

    honestly, im SO glad i found you, you're the main reason im doing well in chemistry and I cant thank you enough for not overcomplicating the concept :)

  • @bradenwatson3580
    @bradenwatson3580 5 років тому +4

    The amount of paper this guy has to cut🤣

  • @SerialKiller9871
    @SerialKiller9871 7 років тому +1

    Man you're fucking amazing, I always feel a sigh of relief when I search for a lesson and find out you have an upload for it, thank you, you earned a subscriber.

  • @nirishvelraj6470
    @nirishvelraj6470 4 роки тому +3

    is he dead ryt now? he aint postin any video

  • @valedominic7627
    @valedominic7627 3 роки тому +1

    My chemistry teacher would quit his job if he saw your videos..can't stop watching so easy to understand,i thought chemistry was hard all this time.thanks for making it easy for me.

  • @amealiabooks3981
    @amealiabooks3981 2 роки тому +5

    who is here in 2022 lol

  • @krishitaraja801
    @krishitaraja801 4 роки тому

    Thankyou Tyler!!!!!! Why aren't there teachers like you???

  • @diaryofawimpycollegegirl5149
    @diaryofawimpycollegegirl5149 8 років тому +68

    am in the only who thinks he is cute lol

    • @kayluhluhbs
      @kayluhluhbs 7 років тому +5

      DiaryofA WimpyCollegeGirl NO!!!!! He is a TOTAL baby 😍 Reminds me of Matthew Gray Gubler as Dr. Spencer Reid in Criminal Minds both with his cute looks and his helpful and smart brain ❤️

    • @sweethartia
      @sweethartia 7 років тому

      Kayla Pounds was literally just thinking the same thing he favors Reid

    • @diaryofawimpycollegegirl5149
      @diaryofawimpycollegegirl5149 7 років тому +2

      Kayla Pounds yesss something about smart men haha

    • @owuiniii
      @owuiniii 7 років тому

      you are not alone lol

    • @chriscarroll5761
      @chriscarroll5761 6 років тому +2

      Yo tyler get down here asap

  • @spacecowboy79
    @spacecowboy79 2 місяці тому

    Hi Tyler! I had my first major chem exam yesterday, and most of my studying was working the practice problems from your videos with you. I made a 96!! Thank you for helping me :)

  • @izajunkera9481
    @izajunkera9481 7 років тому +2

    I'm passing my chemistry As exams thanks to him, so much more helpful than my teacher

  • @amrziden8848
    @amrziden8848 7 років тому

    I just realized this is much, much simpler than what my chemistry teacher taught me, thank you, you just earned a new subscriber.

  • @maheshsr6514
    @maheshsr6514 8 років тому

    I am a ninth grade student who just learned this topic 2 days ago. When my teacher explained the concept, I couldn't understand it. But now I have fully understood the concepts of empirical and molecular formula.

  • @MrDawnnix
    @MrDawnnix 8 років тому

    You are a God!!!! Without you, I wouldn't have been able to pass my chemistry. Thanks man!

  • @pradeepkumar-pu9ul
    @pradeepkumar-pu9ul 7 років тому

    BTW tyler you are wayyyyyyyyyyyyyyyyyy better at teaching chemistry than my teacher, she takes 30mins to explain this and I didn't understand it you took 9mins and I understand it now. You are a grade saver dude.

  • @mustafabilal6876
    @mustafabilal6876 5 років тому +1

    Love it I have a chemistry paper tomorrow and I couldn’t figure out anything and now by watching 2 of you’re videos I have mastered empirical formula 💗

  • @32lifesaver
    @32lifesaver 6 років тому

    I am grateful that you do these videos. You are so much more helpful than my professor. Thanks Tyler

  • @arianneghislainerull6418
    @arianneghislainerull6418 5 років тому

    I just want to let you know that you explain well!! Thank you, you teach way better than my chem teacher!

  • @ahmedelgendy2448
    @ahmedelgendy2448 8 років тому

    I'd like to thank you soo much for making this channel because I was having soo much trouble not understanding the lessons in school and after I started watching your videos daily I understand everything I really mean What I am saying and I really apreciate what you are doing.
    I was soo stressed when I didn't understand lesons in school but now I am not worried cuz I know that I'll just watch your videos and understand everything.

  • @gizzle52
    @gizzle52 9 років тому +1

    Tyler! this is perfect. this is exactly the way i need to learn chemistry. i have been out of school for 4 years and coming back has been weird/difficult. keep doing what you're doing.

  • @emilianistorres790
    @emilianistorres790 9 років тому

    thanks to you I passed my chemistry class! God bless your soul

  • @PlKaJ3W
    @PlKaJ3W 9 років тому

    Honors Chem exam in 2 hours, you're a life saver. Thank you so much

  • @muchimochi8001
    @muchimochi8001 7 років тому

    You're such a great chem. teacher your teachings make much more sense than other chem. teachers ^-^ -Thank you

  • @khalidmohmad8406
    @khalidmohmad8406 4 роки тому

    Thanks I am having my chemistry exam and you saved me. You deserve someone to subscribe you

  • @christinakearney8322
    @christinakearney8322 9 років тому +1

    Thanks Tyler! You saved my butt in chemistry once again! Your awesome!!

  • @azizboy95
    @azizboy95 10 років тому +1

    Three words : clear , simple , easy
    Thanks 💐💐💐

  • @annc4766
    @annc4766 8 років тому

    I'm deaf. I learn how to use the calculate Molecular and Empirical formula. Thank you for the closed captions. Keep up the good job.

  • @qiaramcneill
    @qiaramcneill 9 років тому

    My teacher never thought me this and when I did the exam I was lost. So this video was 21 times a million totally helpful. Thank you, Merci

  • @tyronebigsby8287
    @tyronebigsby8287 7 років тому

    Smh omg I couldn't be more thankful for this simplified explanation.. Thank you

  • @fwoggy1402
    @fwoggy1402 7 років тому

    You are my favorite person rn. I cant make it to my chem class because of a recent diagnosis so you have actually saved me from repeating 10th grade

  • @hol9619
    @hol9619 5 років тому

    Thank you so much! You and Khan Academy and Bozeman Science makes me interested in Science-related subjects. Never thought they were interesting until I meet good teachers.

  • @drelencole6078
    @drelencole6078 9 років тому

    Made my life a whole lot simpler by explaining this props man, I should pass my test tomorrow!

  • @julierockrohr1316
    @julierockrohr1316 9 років тому

    God Bless your soul and Thank you for teaching me more efficiently than my chemistry professor.

  • @pythios8982
    @pythios8982 3 роки тому +1

    I have no idea why but I learn better from yt than from my instructors. Note that all of them have earned their doctorates.

  • @carlosmiguel3786
    @carlosmiguel3786 8 років тому

    The way that you to teach Chemistry make me happy because i can understand everything even though i have English as my second language. on my way as a student i found just a few teachers like you

  • @YSM202
    @YSM202 8 років тому

    You make studying so much easier, thanks from the UK!