Hess's Law Problems & Enthalpy Change - Chemistry

[@TheOrganicChemistryTutor]

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Why are there not people like you teaching chemistry classes in colleges????? My professor takes twice as long to explain stuff like this, but I leave not understanding a single thing that just happened... I literally watched this ONE time and understand it perfectly...

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I feel the same way..... it just seems they make it harder than what it needs to be....

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Because the "professors" only care about research. Also, they make it hard on purpose because there aren't enough faculty for the amount of students wanting to study STEM at the upper division level.

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[@everybodys_mr._bad_guy]

i have been studying for an upcoming thermodynamics exam and was very stumped when it came to hess's law. my professor is amazing but i am autistic and sometimes i need things explained to me in a very particular way that many do not have time for(no skipped steps, nothing vague or else i get stuck on how to approach problems rather than solve them) and this video remedied the issue. i am so glad i was recommended this channel. i have an affinity for math and science so i will definitely be sticking around.

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I learn this in highschool ez shiet

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Ikr

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holy shit when all the O2's ended up cancelling at the end with all those fractions my mind was blown man

[@slopcrusher3482]

It's fun when you're thinking " oh god, I hope this all works" When you're going through Hess's law, and then somehow it all cancels out correctly, even though you were certain you did something wrong.

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Without being rude to my tutor he is dog doo doo compared to you. Has took me a week of scratching my head, reading books and watching videos to understand this, finally I get it. God bless you.

[@POLEJUMPER97]

12:53 for anyone that is confused when he started to cancel out the equations, he was supposed to write NO2 rather than 02 in the final reaction, as you can see he circled it but i think mistakenly wrote 02 instead

[@capti_edits951]

due to the limitation of the human intellect a miscalculation could be recorded.

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thank youu, i literally just came to the comments to see if anyone else had noticed or if i was wrong

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You're genius too for noticing, I struggled a bit until I saw your comment, I rate you as JG number 2🤗

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You been helping me with math since my freshman year of high school😭and still helping rn in my freshman year of university. Bless you

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in 14 minutes, you gave me a better understanding than 1 week of this in class. thank you

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Spent 3 days stuck on a problem, only 5min in and got it. You're saving lives, thank you prof.

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Thanks!

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I just wanna say thank you for your explanation and worked examples. You explain it so clear and understandable.

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Tysm, 7 years later, and you're still teaching better than my school teachers. I'm grateful for you, man

[@georgesadler7830]

Professor Organic Chemistry Tutor, thank you for a solid analysis of Hess Law and Enthalpy Change in General/Old Fashion Chemistry. I found this video somewhat confusing, however, I will review this material from start to finish. Professor Organic Chemistry Tutor, thanks to the viewers for finding and correcting the error(s) in this video.

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my chem professor gave me one example of this in our notes, and explained it so poorly that I just thought maybe I was stupid for not understanding. Learning literally three hours before my exam it's incredibly simple. tsym

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Thank you for this! I wasn’t paying enough attention in class (not going to blame it on the teacher) and I have a test tomorrow, now I understand it

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7 years later... here I am, a sophomore in college, and this video single-handedly helped me understand right away. Bless YOU

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1 min before the exam

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During the exam

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Thanks for taking the time to make the video. It really helped me a lot. Wish my professor would also watch your videos... Just so she could find a better way to explain things =P

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This is better than my teacher 😮😮😮,on the top of that his voice 🤩😍🤩😍

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bro this is so much more useful than the stupid Hess's Law diagram. Thank you for saving me from severe brain damage

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When you have a quiz in 10 minutes so you watch on 2x speed but get an ad anyway

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why do teachers even bother with online schooling if these videos already exist? This was really helpful, thank you

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Thank you so much and God bless you I now understand what is going on in Hess law .

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Jesus loves yall and died for us! Jesus calls for all of us to repent!

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Made this topic much easier 👏

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[@adityabharadwaj2031]

8:25 The answer is -535.5 kJ. Not a big deal but I just wanted to point out that you put -533.5 kJ

[@PagurayanMaNica]

It's -533.5kJ

[@LunarBase-mz3vl]

@@PagurayanMaNica 8:26 answer should be -38.5 because it's +247.5kJ, he didn't flip the second equation.

[@カイル-t2e]

He did​@@LunarBase-mz3vl

[@jangy36]

my calculator said -535.5KJ too he didn't use a calculator ig

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thnx man i really needed this

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This is so helpful, thanks!

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thank you so much for this video. hess's law is really hard for me

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I wish I had a Chemistry teacher like you cause not gonna lie.... mine is an absolute shit.....

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Thank you my guy, so much love and appreciation to you

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thanks a lot for the lesson! i understand this a lot better than when i was in class sleepy and confused XD

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Finally, relief! Thank you...!

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It really is a lifesaver.... Thanks

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Well explained and I understand nice way😊

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Terrrific explanation of hess law, bravo👍👍👍👍👍👍👍🤠🤠

[@sobehdina3389]

Calculate the enthalpy for the reaction between cupper matte(Cu2S) and oxygen. 2Cu+02→ 2 Cuo △H°=-155 kj/mol Cu+S → CuS △H°=-53.1 kj/mol S+02 → S02 △H^=-297 kj/mol 4CuS+2Cu0 →3Cu2S+502 △H=-13.1kj/mol

[@A--Hollow]

For some reason my professor thought it will be a good idea to NOT teach this and include it on the exam

[@AlyssaPaige16]

Thank you so much. I understand now :D