The EASIEST Method For Solving Hess Cycles

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  • Опубликовано: 29 ноя 2024

Комментарии • 103

  • @josimjosim1000
    @josimjosim1000 6 месяцев назад +47

    i cant believe how easy hess cycles are thanks to your explanation

  • @LieChess
    @LieChess 7 месяцев назад +52

    Well said, well said (applause). You have single handedly saved the education system and future aspirations of 40,000 people. Good Job!

  • @KBMFilms2020
    @KBMFilms2020 8 месяцев назад +20

    Wow, real eye opener, my teacher kept telling me other things i found confusing. Thank you very much sir.

  • @MMK-PALESTINA
    @MMK-PALESTINA Год назад +42

    This is an Underrated channel, Thanks for saving my time and saving my grades in the exam, I hope the best for you and your channel, Keep going.

  • @win7138
    @win7138 Месяц назад +2

    I like how you explained the route system so well. My teachers just focused on cramming weird methods like clockwise and anti clockwise or changing signs that I would forget.
    Great work! Thank you

  • @goddidezzz
    @goddidezzz 8 месяцев назад +5

    best vid on youtube explaining this topic

  • @Aji_222
    @Aji_222 19 дней назад +1

    I’m so glad I found this video

  • @aakyjj
    @aakyjj 6 месяцев назад +4

    after 2 years i finally understood it thank u sm

  • @neelmd
    @neelmd 2 месяца назад +1

    Best chemistry lecture I've ever watched. Thanks man

  • @javedfaizal5473
    @javedfaizal5473 Год назад +7

    You deserve a million subscribers!! thank you for this!!

    • @Chemistorian
      @Chemistorian  Год назад +3

      Thanks, I'm glad you enjoyed it :)

    • @vortax521
      @vortax521 Год назад +1

      @@Chemistorian thank you man😁😁

  • @Learn_chatter
    @Learn_chatter 2 месяца назад +1

    You really made this so easy. I was struggling with it for few months and glad finally understood

  • @Rebecca-d7e
    @Rebecca-d7e 4 месяца назад +2

    this channel is amazing and deserves so many more subscribers

  • @mysticgoat8699
    @mysticgoat8699 6 месяцев назад

    Thank you maj you really made me understand hess law now it doesnt confuse me anymore may God bless you

  • @legendsplayground7017
    @legendsplayground7017 2 месяца назад

    probably the best video explaining enthalpy change, really like the way you present it. Love your video, looking forward for more content, Jesus bless

  • @aliaxx
    @aliaxx Месяц назад +1

    thank you so much!!! you explained it so easy and simple

  • @sadiaiditry
    @sadiaiditry Год назад +1

    I had problem deciding the direction of the arrow and how to make a equation. Now I finally get it, thanks 😊.

  • @compequiet0584
    @compequiet0584 Год назад +10

    Thanks man, you're a grade saver!

  • @AYNatheacaiAYNAtheacai
    @AYNatheacaiAYNAtheacai 6 месяцев назад +2

    Thank u so much can't imagine how much u saved me ❤❤❤

  • @itsmeminhaz3784
    @itsmeminhaz3784 11 месяцев назад +1

    most underrated channel

  • @joe_ninety_one5076
    @joe_ninety_one5076 6 месяцев назад +1

    Excellent step by step tutorial

  • @Alienokojigaming
    @Alienokojigaming 9 месяцев назад +2

    TYSM, for this wonderful explanation.

  • @adventureofalifetime-qu2dd
    @adventureofalifetime-qu2dd 10 дней назад +1

    I understood here in 15 minutes what i couldnt understand in hours of class

  • @gloryikuku8621
    @gloryikuku8621 3 месяца назад +1

    Thank you very much sir. You are a great teacher

  • @maykyisunaing5597
    @maykyisunaing5597 9 месяцев назад +1

    Thanks a million. I'm so confused about bond enthalpy cycle. Now it's clear for me.Can you upload other more examples for bond enthalpy cycles?

  • @Prismo786
    @Prismo786 8 месяцев назад +2

    Could you upload more examples? i understood but wld be more confident with more practice

  • @liza.56
    @liza.56 7 месяцев назад +3

    Besttt explanation ever 🤩

  • @mihindi67
    @mihindi67 7 месяцев назад +4

    omg i dont know who you are omg i love u so much you made my day thank you so much

  • @Rachel_Tensions
    @Rachel_Tensions Месяц назад +1

    life saver, thank you!!!

  • @dreadfire30gt75
    @dreadfire30gt75 4 месяца назад +2

    Thanks to hess law? Thanks to you my man!! Clutch Clutch and clutchh

    • @aliaxx
      @aliaxx Месяц назад +1

      real

  • @hi-ow3hb
    @hi-ow3hb 11 месяцев назад +1

    Absolutely amazing, thanks!

  • @soogist
    @soogist 7 месяцев назад +2

    youre a lifesaver

  • @smoothcriminal5650
    @smoothcriminal5650 10 месяцев назад +1

    Thanks a lot sir, this is a very helpful video 😊

  • @agosmastro7399
    @agosmastro7399 2 года назад +11

    If we do it this way in the A-Levels, do we still get the full mark?

    • @Chemistorian
      @Chemistorian  2 года назад +7

      Absolutely! As long as you come out to the correct answer, you'll get the marks.

  • @rereloluwafajemiyo5179
    @rereloluwafajemiyo5179 22 дня назад

    Thanks
    Hess cycle made easy😊

  • @jairamsr7878
    @jairamsr7878 17 дней назад

    excellent explanation

  • @Jazibshaikh85
    @Jazibshaikh85 11 месяцев назад

    Easiest explanationn🖤🖤🖤 love from pakistan

  • @randooooooooom
    @randooooooooom Месяц назад +1

    THANK YOU!!!

  • @fspar
    @fspar 10 месяцев назад +1

    Amazing video, you deserve a lot more!

  • @judithmurendi1970
    @judithmurendi1970 5 месяцев назад +2

    Thank you soooooooooo much 🎉

  • @pants-gs8lh
    @pants-gs8lh 3 месяца назад +1

    Life saver.

  • @azanahmad8561
    @azanahmad8561 6 месяцев назад +1

    Bro Saved me!!!!!!

  • @Islamicreminder19
    @Islamicreminder19 8 месяцев назад +1

    Thanks a lot this was really helpful....

    • @Islamicreminder19
      @Islamicreminder19 8 месяцев назад +1

      This was much more understandable than anything else I've been taught

  • @nikarta1
    @nikarta1 8 месяцев назад

    Please can you also do how you do the rearranging?🙏

  • @vortax521
    @vortax521 Год назад +1

    TYSM MAN, This literally saved my LIFE IN AS level, tysm😁😁😁😁

  • @bella-iu7bl
    @bella-iu7bl 2 года назад +9

    would u consider making videos on rates of reaction / equilibriums bc i’ve always found it hard to tell what side the reaction would shift too if temp changes etc

    • @Chemistorian
      @Chemistorian  2 года назад +4

      Funnily enough, my next video (coming out in a couple of days) is going to be on equilibrium constants, but I can definitely make a longer video on rates & equilibria if it'll be helpful.

    • @bella-iu7bl
      @bella-iu7bl 2 года назад +1

      @@Chemistorian that’d be perfect thank u!

  • @maarinahope
    @maarinahope Год назад +1

    Wow !! This is extra ordinary. Please try to make more videos on redox as well

  • @Disrup7or
    @Disrup7or Месяц назад

    This might be a dumb question, but how do you know which side to put the Delta H variable?

  • @va_rs_ha_
    @va_rs_ha_ Год назад +1

    Thank you ❤

  • @kari2136
    @kari2136 11 месяцев назад

    Thank you very much for your video tutorial. I have a couple of questions, why do you use H(c) when explaining the formation of the hess cycle, and during the combustion you use H(f). is it correct? we were taught that enthalpy change formation is H(f), and combustion is H(c)

    • @Chemistorian
      @Chemistorian  11 месяцев назад +1

      During the enthalpy of formation example, we have been given enthalpies of formation, and we use them to construct a FORMATION Hess cycle, in order to work out the enthalpy of combustion of methane. That reaction at the top could have been anything, but in this case, it shows the enthalpy of combustion of methane. We still construct a FORMATION Hess cycle here, because we've been given values of Hf, NOT Hc.
      For the second example, it's just the other way around. We've been given Hc values, so we construct a COMBUSTION Hess cycle to work out the enthalpy change for the reaction at the top, which happens to be the formation of benzene.
      So in the first example, we're using enthalpies of formation to work out the enthalpy of combustion of methane, and in the second example, we're using enthalpies of combustion to work out the enthalpy of formation of benzene.

  • @vinuthjayasuriya6466
    @vinuthjayasuriya6466 Год назад

    Thank you. You saved me big time….

  • @caraevans2114
    @caraevans2114 5 месяцев назад +1

    Hi, I’m confused on the bond enthalpy section. Why do the arrows face downwards? Is it due to the reaction being combustion?

    • @xdbackflip
      @xdbackflip 5 месяцев назад

      They actually point upwards but this guy's not smart so he's doing it a dumb way where the elements in their standard states are on the left. Because this guy is dense he failed to mention this.

  • @loxionNam
    @loxionNam Год назад

    You the best man 😇😇😇😇😇

  • @Ojisgay
    @Ojisgay 6 месяцев назад

    I mean if you think about it all the routes have to add up to 0 so you could also just add up the other 2 and work out the final one from that

  • @abdulemalik8848
    @abdulemalik8848 11 месяцев назад

    Thank you.

  • @pratyasha279
    @pratyasha279 9 месяцев назад

    if some of the formation enthalpies of the compounds are not given for a combustion reaction, how do we go from there?

  • @achuemilian7485
    @achuemilian7485 26 дней назад

    Thanks allot sir

  • @juddbanas7208
    @juddbanas7208 Год назад

    In example 1, why were we able to use the delta hf of H2O even if the given is for gas and the reaction indicates that H2O is in liquid state

    • @Chemistorian
      @Chemistorian  Год назад +3

      That's because there's a mistake in the video that I hadn't noticed before. The Hf for water in the table is actually given for the liquid state, not the gas state. Thanks for pointing that out!

  • @saradeaf-mh6gu
    @saradeaf-mh6gu 5 месяцев назад

    hi do we have t use the arrow method? can i just use products-reactants

  • @--katkat
    @--katkat Год назад

    Thank you thank you 😊

  • @kxtiger9892
    @kxtiger9892 8 месяцев назад

    Isn't rearranging just reversing the symbols, though i don't get the purpose of the extra step

  • @cultured8709
    @cultured8709 11 месяцев назад

    tysm man

  • @uncloned69
    @uncloned69 8 месяцев назад

    good explanation

  • @riazhoque8829
    @riazhoque8829 10 месяцев назад

    Hi, just wanted to ask for the Hess cycle we can still use the top arrow as the biggest route can’t we when trying to figure out the enthalpy of combustion

    • @Chemistorian
      @Chemistorian  10 месяцев назад

      There is no “biggest route”. Hess’s law states that as long as you start at the same place and end at the same place, any route you take will have the exact same enthalpy change. So, you can take any route you want!

  • @othnielhefziba3689
    @othnielhefziba3689 Месяц назад

    Wonderfull ❤❤❤

  • @elizabeth-ty3he
    @elizabeth-ty3he Год назад +1

    I still can't wrap my brain around the difference btwn q and H. Help! Is it that heat is transfer of energy btwn moleculesand H iis overall gain or loss of heat energy?

    • @Chemistorian
      @Chemistorian  Год назад +2

      When in doubt, check the units! Q is measured in J or kJ, so it’s just the amount of heat energy taken in/given out during a reaction. H is measured in kJ/mol, so it’s the amount of heat energy taken in/given out during a reaction, PER MOLE of reactant.

    • @elizabeth-ty3he
      @elizabeth-ty3he Год назад

      @@Chemistorian thnx!

  • @insulin8031
    @insulin8031 8 месяцев назад

    Bruda fr I love ya

  • @abdulemalik8848
    @abdulemalik8848 10 месяцев назад

    Thank u

  • @humamumtaz2218
    @humamumtaz2218 Год назад

    u are amazinggg :)) understood

  • @chanisperera103
    @chanisperera103 2 года назад

    can u pls do a detailed video on Esters

    • @Chemistorian
      @Chemistorian  2 года назад

      I'll add it to the list, but I actually have a section on esterification in my first video - ruclips.net/video/d0ZgD8ma_Ko/видео.html.

    • @chanisperera103
      @chanisperera103 2 года назад

      @@Chemistorian ok thank you

  • @user-vn1fg2zj2g
    @user-vn1fg2zj2g 11 месяцев назад

    Why is water in the table for enthalpies of formation in a gaseous state if it’s meant to be in its standard state?

    • @Chemistorian
      @Chemistorian  11 месяцев назад +2

      Well spotted! There's a mistake in the video. Another commented pointed this out too. The Hf for water in the table is actually given for the liquid state, not the gas state.

    • @user-vn1fg2zj2g
      @user-vn1fg2zj2g 11 месяцев назад

      @@Chemistorian Thanks for the reply, much appreciated.

  • @kgh22
    @kgh22 11 месяцев назад

    You have explained it so beautifully. Thank you for your work! Gudjob🩷

  • @ricksanchez5927
    @ricksanchez5927 Месяц назад +1

    legendary

  • @Obaid-Ur-Rahman342
    @Obaid-Ur-Rahman342 11 месяцев назад

    4:57 If they are asking for 1 mole shouldn't we half the the moles of H20. Can anyone please explain

    • @Chemistorian
      @Chemistorian  11 месяцев назад +2

      The combustion of 1 mole of CH4 results in the formation of 2 moles of H2O.

  • @syedmohammadaun-ne5du
    @syedmohammadaun-ne5du Год назад +1

    Legend

  • @jrxzz1398
    @jrxzz1398 Год назад

    thankyou bro

  • @emanilyas4749
    @emanilyas4749 Год назад

    amazinggg

  • @TuyizereAbel
    @TuyizereAbel 3 месяца назад

    I get more details about Hess law

  • @zaino9818
    @zaino9818 Год назад +1

    I still don't understand how you determine the direction the hess cycles arrows go

    • @Chemistorian
      @Chemistorian  Год назад +4

      It all depends on the type of Hess cycle. If it uses formation enthalpies, arrows go up from the box because the formation enthalpy is always going from the elements to the compounds. If it uses combustion enthalpies, arrows go down to the box because the combustion enthalpy is always going from the compounds to the combustion products. When you learn the definitions of the enthalpy changes, the directions of the arrows make sense logically.

    • @zaino9818
      @zaino9818 Год назад

      @@Chemistorian ah okay. thanks for your help

  • @myaestheticlife7403
    @myaestheticlife7403 Год назад

    wow

  • @xdbackflip
    @xdbackflip 5 месяцев назад

    Poor combustion explanation.

  • @darrenj.griffiths9507
    @darrenj.griffiths9507 8 месяцев назад

    ummm, no!.. Next

  • @AlatisheJosephine
    @AlatisheJosephine Месяц назад