Hess's Law Problems & Enthalpy Change - Chemistry
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- Опубліковано 21 вер 2017
- This chemistry video tutorial explains how to solve common hess's law problems. It discusses how to calculate the enthalpy change of a reaction using hess's law.
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...
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Speed of Light, Frequency, & Wavelength:
• Speed of Light, Freque...
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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...
can you please what you are studying in college
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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Bassislly. Yes
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I pay all those college fees to teach myself over the internet smdh
Combat Edits lmao so true
I learn this in highschool ez shiet
Ikr
@@waqs8708 but yet ur here so u didn't rlly learn it
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I know! It's strange, but it's like you get used to it and then these type of things just happen.
holy shit when all the O2's ended up cancelling at the end with all those fractions my mind was blown man
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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I love this guy so much. I watched 10 minutes of my chemistry lecture and learned half of what I learned in 2 minutes of watching organic chemistry tutor
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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
due to the limitation of the human intellect a miscalculation could be recorded.
thank youu, i literally just came to the comments to see if anyone else had noticed or if i was wrong
You're genius too for noticing, I struggled a bit until I saw your comment, I rate you as JG number 2🤗
Jesus loves yall and died for us! Jesus calls for all of us to repent!
I just wanna say thank you for your explanation and worked examples. You explain it so clear and understandable.
i watch all other chem videos at 1.5x but i slow them down for this guy in order to savor my time with him
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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1 hour before exam 😂👏
½ hour before exam
1 min before the exam
During the exam
in 14 minutes, you gave me a better understanding than 1 week of this in class. thank you
Thanks so much man. You're the reason why I am passing chemistry.
🙏appreciate your work, my son in hs is having problems on this so hes been avoiding completing his work, we watched this together, first view thru these examples and stuffs already starting to click, hes working on his equations now
well I had a lot of queries about this but now I understand this topic very well... Thanks man 😊
OH MY GOSH I ACTUALLY UNDERSTAND THIS SO WELL NOW!! thank you so much, I owe my life to you now
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
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
U saved my whole life with this video, I was so confused and in panic after the college at school.. But after this video I am so relieved. Thank u so much.
Thank you so much! This was incredibly helpful:)
When you have a quiz in 10 minutes so you watch on 2x speed but get an ad anyway
Use an adblocker. It genuinely saves you a lot of time. :))
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This is so helpful, thanks!
You explain things much better and clearer than my teacher. Thank you so much!
Sooo i just had this class topic today and my professor barely went in depth i have learned more with you in these few minutes
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
3rd year of highschool, and he's still teaching me more than my teachers.. i will remember this mans when I graduate
Thank you for teaching this. I now understand the way to do it.
Thank you so much sir.. I thought this way of solving was hard but i could understand clearly when you keep explaining step by step. Thanks alot again.
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.
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.
Thank so much, you explain this better than my teacher did.
I am so very thankful for this material Sir💖
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watch these videos in the dark before you sleep and you will absorb the content more easily. my sight looked like a black chalkboard as i was holding my phone watching it full screen. had my full attention to it.
Thank you so much and God bless you I now understand what is going on in Hess law .
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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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Can u do a video about pressure?I was confused about that
thank you so much for this video. hess's law is really hard for me
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How do you extract the reactions from the product?
why do teachers even bother with online schooling if these videos already exist? This was really helpful, thank you
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Thanks so much
This was really helpful 💕
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Nicely explained 👍
thank you so much once again !! i was so confused
thanks for explaining it clearly.. ❤
I got a quiz in an hour and forgot how to do hess law this is a life saver
Thanks bro... It helped a lot
thank u so much ❤ really helped me for exams
thnx man i really needed this
From the bottom of my heart, sir I say thank you ❤
Honestly, my teacher went through this like 20 times in class and I never got it, but after 20 minutes I can understand it completely.
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Hi. Can I ask? Where did you get the delta H? I don't understand. You just give the number KJ but you didn't tell where did you get it. I hope you help me answer my question. Thank you😊
I studied this throughout the semester and am still baffled, but I guess I wasted a couple of months since I can understand it by watching this 14-minute video.
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Finally, relief! Thank you...!
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Where do you look for known delta H values?
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hey, I wanted to ask at 11: 27, do you have to bring the compound to the other side for them to cancel each other? or can it be on the same side?
I'm wondering the same? I thought I was the only one who saw that
yes the compounds must be on opposite sides in order to cancel
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how do you get -92 kj from n2+3h2→2nh3?
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Thanks man, hope this helps me on my AP test tomorrow 😂
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