Enthalpy Change of Reaction & Formation - Thermochemistry & Calorimetry Practice Problems

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This chemistry video tutorial focuses on the calculation of the enthalpy of a reaction using standard molar heats of formation, hess law, and calorimetry. This video contains plenty of notes, formulas / equations, examples, and practice problems to help you pass your next exam / general chemistry test on thermochemistry and thermodynamics. Here is a list of topics:
First Law of Thermodynamics:
• First Law of Thermodyn...
Thermochemistry Equations:
• Thermochemistry Equati...
Internal Energy, Heat, and Work:
• Internal Energy, Heat,...
Thermochemical Equations:
• Thermochemical Equations
Specific Vs Molar Heat Capacity:
• What Is The Difference...
________________________________
Basic Calorimetry Problems:
• How To Solve Basic Cal...
Final Temperature Calorimetry Problems:
• Final Temperature Calo...
Latent Heat of Fusion & Vaporization:
• Latent Heat of Fusion ...
Coffee Cup Calorimeter:
• Coffee Cup Calorimeter...
More Calorimeter Problems:
• Bomb Calorimeter vs Co...
__________________________________
Specific Heat Capacity Problems:
• Specific Heat Capacity...
Hess Law Problems:
• Hess's Law Problems & ...
More Hess Law Problems:
• Hess Law Chemistry Pro...
Enthalpy of Formation & Heat Combustion:
• Enthalpy of Formation ...
Enthalpy Practice Problems:
• Enthalpy Change of Rea...
__________________________________
Speed of Light, Frequency, & Wavelength:
• Speed of Light, Freque...
Final Exams and Video Playlists:
www.video-tutor.net/
Full-Length Videos and Worksheets:
/ collections

Опубликовано:

3 авг 2016

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Комментарии : 270

@TheOrganicChemistryTutor 7 месяцев назад

Final Exams and Video Playlists: www.video-tutor.net/ Full-Length Videos & Worksheets: www.patreon.com/MathScienceTutor/collections

@liaselleaeri 3 месяца назад

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@mysticalmanifestation 6 лет назад

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@TheOrganicChemistryTutor 6 лет назад

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@axx9149 4 года назад

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@dehanbadenhorst1398 2 года назад

At 2:42 , the reason it's products-reactants and not the other way around is because it is the enthalpy change for formation, not dissociation. I was confused about this for a moment, hope this helps if someone else has the same issue.

@davidelrihani8866 Год назад

how do you know if its formation or dissolution

@tashreeqa_ek 6 лет назад

Thank you so so much 😊 My chemistry teacher had me really confused but you make it seem so easy. Honestly we need more teachers like you

@harshvardhanmankotia6492 3 года назад

I didnt understand anything

@georgesadler7830 2 месяца назад

Professor Organic Chemistry Tutor, thank you for an exceptional explanation of Enthalpy Change of Reaction and Formation in AP/General Chemistry. Although the problem selection is excellent, I am confused about some of the problems in this video. Professor Organic Chemistry Tutor, thanks to the viewers for finding and correcting the error(s) in this video.

@eri4232 5 лет назад

You deserve an award for this amazing explanation and saving us

@perfectoctogon2392 2 года назад

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@modyfarroukh7667 5 лет назад

im soooo glad i came across this channel i was about to lose hope in passing my general chem course at uni

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@simondebout3561 4 года назад

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@isaacglassman2416 3 года назад

You are the closest thing to an angel I've ever known

@bradenharris2214 Год назад

Your teaching, explanitions, and examples are a tremendous help to myself and so many of my classmates. Our Chem 102 professor just throws terms and formulas at us with zero context and then we have to basically teach ourselves the concepts to be able to use said formulas. I'm sure he's got tenure. Sucks all around.

@apearson79 5 лет назад

I'm glad I just tune my chem prof out and teach myself online. This isn't too terrible to calculate.

@patmaux 7 лет назад

Such a great help! Thank you!

@ghosttrees5362 7 лет назад

omg you are the best! Thanks to your video I was finally able to learn how to solve the problem with enthalpy changes! :D

@abdul.arif2000 6 лет назад

Better than my teacher. Thxs so much for making the effort to make these videos.

@My_Precious_Fun_Life Год назад

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@SerenityAmbience22 6 лет назад

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You make it more easy to understand than my chem tutor. Thank you

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@ReaperResidence 2 года назад

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@khaledragheb6503 6 лет назад

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@jasontuli9036 8 лет назад

Hey, great videos like always! One suggestion for a future video that I personally believe is lacking in the general chemistry world and is VERY unique and I believe help students learn/visualize general chem concepts better would be creating a video relating general chem major concepts to real world examples, for example how pressure/temperature relates to higher altitudes, and how a hyperbaric oxygen chamber relates to pressure/gas relationship, or how salt melts ice relating to freezing point depression formula. I have yet to see a video on youtube that can link major general chem concepts to real world applications. Just a suggestion, let me know what you think!

@TheOrganicChemistryTutor 8 лет назад

You're right. I'll consider it some day.

@Bilbus7 6 лет назад

Jason Tuli university and high school students have labs for that exact reason.

@michellec.4291 6 лет назад

I like your suggestion!!!! It'll help make this subject more relatable to students

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@silviakalale2610 Год назад

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@adamlenhart1961 3 года назад

I FINALLY GET IT. I NEVER THOUGHT I WOULD. (If you don't understand it, try re-watching the video a few days after)

@NoorNahar-cd8tg 8 месяцев назад

This comment should be pinned!! Many people misunderstood some concpets and asking questions tht JG sir already answered in the video, only if they rewatch it they wouldnt sit with the problem for forever almost 😭😭

@Tessar1on Месяц назад

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@adddiiieeesss1000 7 месяцев назад

28:33 In this moment why you didn’t divided by 1000 ? How you converted a q from J to KJ ?!

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I believe Mr.JG is a gift of the Universe to us and all those who think they can cram and find out they can't then cry their eyes out and come here for salvation.

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@DerekGoo 4 года назад

27:00 When we figure out the mass, shouldn't we also include the 30g of NaOH as it is part of the solution?

@davidleonorowitz5848 2 года назад

i was thinking the same. maybe he made a mistake

@angelogiannakoulis8901 2 года назад

No the dissolution reaction happens in the water and you are just looking for the change in energy for the water.

@walidmedhat3522 Год назад

man you are absolutely amazing, I can't find words to thank you

@ABCD_V 6 лет назад

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@agal2662 4 года назад

Awesome videos!! thanks

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@annikaj8021 Год назад

At 8:48, Carbon should have a coefficient of 2...

@mariamasawaneh2260 7 лет назад

my God you are such a great teacher.I understood just from one example..

@syedabdulrafay4530 Месяц назад

this video is very helpful thanks👍

@KrishnaIIT-MPCtutor 3 месяца назад

Fantastic it is very useful for jee Mains and Advance.

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@fakatsa9252 4 месяца назад

Professor missed classes in preovious weeks due to his bussines trip, so , he came back, did all 6 lectures in one week, and put exam in next week, such a chad.

@satario1623 2 года назад

This man is a legend

@moktafizaman9077 2 года назад

Thanks helped me during my Chemistry CT :P

@broccoli2154 5 лет назад

I barely passed a test because I missed this part. If I have seen this earlier, I would have gotten an A on that test. :(

@footballxxxeditsgang176 3 года назад

Great help!!

@Kog233 3 года назад

This helps for AP chem thanks man teacher Didnt show us this 🙏🏻

@Ahmed-gx9zy 7 лет назад

Your Videos are really helpful it saved my life in College. One question I have is Do you have videos for Calculus 2 and 3? And physics 2 and 3? Basically the series

@Alliswell-dv6bs 5 лет назад

Great bro

@safiulfaiyaz7038 2 года назад

I've always been taught that enthalpy change was=Energy in - Energy out. But here Its is Energy of the products - Energy of the reactants. Are there any difference in the formulas?

@dantel8995 Месяц назад

These videos are for two things: Learn faster than your teacher teaches you with 2x video speed Fall asleep with 1x speed

@yemin5564 26 дней назад

Hi hoping I can learn this before my exam tomorrow wish me luck!

@jasontuli9036 8 лет назад

To add to that, most standardized exams are moving away from plugging in numbers, and moving towards a deeper understanding of the concept.

@moriartyholmes2981 4 года назад

You can actually solve "The enthalpy of combustion for benzene..." in an easier way usinh Hrxn = q/n

@tr.buuvibrian8162 Год назад

This guy is from the future👐☺️

@flyingkitesatnight 3 месяца назад

BLESS YOU SIR!!!

@GoldenSnek 10 месяцев назад

Exams will be tomorrow but I'm speedrunning this sh*t

@vihashah5975 4 года назад

i'd really like to know the name of the person who gave me so many light bulb moments!! Thanks so much you r amazing!!

@christopherg.2319 6 лет назад

Hi! Are Delta Hsolution and Delta Hreaction the same value in dissolution? Please help! I know qrxn and qsolution are opposite(signs). I'm confused as to if DeltaHsolution and DeltaHreaction are different.

@neotwix5931 Год назад

this is the reason why im topping my exams tysfmmm

@lisameebelo3799 2 года назад

Very easy to understand 👏

@vanshikakohli2257 Год назад

Hey could please explain if you understood at 36.19 that why is it -6540KJ and not -6540KJ/mol

@zoe9429 3 года назад

i love you but hate hess’s law!!! thank you for all your help

@muhiddeny.misbak542 3 года назад

Do you have a patreon? I really love to show support on your channel. I just got 1.00 in Chem because of you. I really appreciate your content because it helps me a lot.

@natashasthilaire1950 3 года назад

Yes he does! www.patreon.com/MathScienceTutor

@williamblake3795 6 лет назад

Hey is this endothermic and what would be the type of endothermic question asked I understand exothermic. But this wasn't that clear

@fatimazahrae9335 Год назад

Thank you

@BootlegBoomerangs 3 года назад

god bless your soul JG

@antoniojazmine3387 5 лет назад

I have a question, is there a way to calculate for the enthalpy of a certain compound? It's constant, right? Is there a way to calculate for it?

@NoorNahar-cd8tg 8 месяцев назад

As far as from wht i hv learned, u cant calculate the enthalpy of a certain product by itself, hence we calculate enthalpy change to know the enthalpy of a substance, tho its not the exact value but thts as close as we can get to. Ah the comment was four yrs ago, I hope u did find ur answer back then if u dint, here u have it! Hope it clarifies!😭🙌 All the best!

@cliffordwilliam3714 3 года назад

At constant pressure reaction, the change in enthalpy is the heat transfered yes?

@mohamedayman7396 4 года назад

Can you please also use the equations cause when you tell us the equation and then proceed into solving the question by analyzing the answer using units it gets very confusing