On #5 you used 120°C instead of 90°C for Iron. Hence, the final temperature is 44.5°C, not 48.6°C. Moreover, thank you ❤🙏 for your videos, JG you're the best tutor I have ever heard.
My college chem class is taught by a short lecture and "activity" handouts which are supposed to teach us everything we need to know on the subject. No matter how many times I read them I just couldn't retain that information, I felt so frustrated until i found your videos. I went from feeling horrible on my chances for passing the class to getting A's on my first two exams. Thank you so much for making these videos.
I'm in the same situation. I feel like it's extremely sad. Basically the guy who runs this channel is doing my professor's job for basically free while the "professor" does nothing. We pay like 10k a semester, it's very disturbing.
Thermochemistry HW due October 18, and been struggling so much. Thank you for providing this lecture, as you teach better than my own chemistry professor
there was a mistake in the video at 22:45 he gave both metals the same initial temperatures whilst they were different the aluminum had 120 and the unknown metal had 90 he put 120 for both.
Yeah, noticed it too. I thought i was wrong after i had a different answer. So i went back to check and saw the error. But thanks to him for all the help. We all make mistakes sometimes
Great Video! Super helpful! Just a slight comment on 8. There is a small error for the initial temperature of Iron metal when plugging into mCdeltaT. You put it as 120 degrees celsius when the question says the initial temperature was 90 degrees Celsius. Anyways, the method and step by step process is pretty much spot on though! Thank you again!
Professor Organic Chemistry Tutor, thank you for a lengthy video/lecture on Specific Heat Problems and Calculations in AP/General Chemistry. The practice problems are awesome from start to finish. Each problem increases my knowledge and understanding of Specific Heat Problems in Modern Chemistry. Professor Organic Chemistry Tutor, thanks to the viewers for finding and correcting the error(s) in this great video.
22:39 mistake. The inital temperture of the iron was 90 not 120. Correct answer to that question is 44.48 degrees C. Not trying to call out the mistake but help people who are confused about why they are not getting his answer.
Around 23:00. The question having Aluminum,Iron and Water... There's a mistake behind his approach. The Element with the highest temp will lose heat to the others with low temp. Simply put... Aluminum at 120°c will lose heat to Iron metal at 90°c and water at 15°c cos the Conservation law of heat says that heat will flow from the higher region to the lower. Asides that.... Still the greatest TH-cam tutor!!!
Your videos are amazing. Three years ago, you helped me pass an online Algebra class and now that I decided to go through hell again, they are carrying me through Intro to Chem. The lecture videos given really aren't lectures and the book doesn't seem to explain the numbers given very well. Cannot thank you enough for making these.
Hi. Just want to clarify problem #5 about the Aluminum and Iron initial temperature. It seems you calculated 120 degrees Celsius for Iron instead of 90 degrees Celsius only. Thank you, pls review also the final temperature happens to be the final answer too. ☺
Was hoping you would pick up on your mistake at 23:50 but since you didnt.... It's 67.5*(Tf-90) My answer was was Tf= 44.47°C I also used Kg instead of g. And my C for H2O was 4186J/Kg °C Happens to the best of us chief. Thanks for your unconditional tutoring 🙏🏽
I just wanna say thank you for saving my life!! you really don't under how this video saved me, like i went from a 20 percent confidence rate to a 99 percent!! God bless you richly!!
for the iron metal you should use 90 as the initial temp. But still, everyone does mistakes. I love your videos and they help me so much. Thank you. Plus all the people who comment noticing that mistake get it because of you so stop being mad people. He is the one who got you to understand so much that you can even catch errors now. That's a reason to be happy. Cheers.
I love you so much. My instructor gave us questions with new symbols and letters and no explanations, so I hit up google + youtube and found you: my savior.
Might wanna look at some exaples of problems like thisnon the internet and use this vid as a step by step guide to solve them. Really helps getting the process intonyour head
In the aluminium, iron and water example at 22:07, I think that iron had the initial temperature of 90 C but then you took 120 C afterwards by mistake.
Not gonna lie, you saved me during quarantine, these teachers be making me write 50 slides worth of notes and give a brief explanation and don't explain the process on how to do the equation. Now give me a kiss. 😘😘
Best explanation, but there's an error in your calculation. Try and have a look at the question where it says " A 100g sample of aluminum ( c=0.90 J/g C) at 120C" instead of using the heat temperature of the sample of Iron, you used the 120C temperature of Aluminium. By the way I've learnt so much from you. THANK YOU.
23:43 I think he was wrong on this part because the given initial temperature of iron was 90°C but he uses 120°C instead which is the initial temperature for the aluminium but other than that great video
erm akschoully🤓☝at 22:08 the initial temperature for iron was 90 and not 120, which means the result would be approximately 45.16 degrees celsius. (my biggest akschoully moment) thank you tho you're the best tutor everrr 🙏
so glad i found this cause i do noooot understand my chem class right now, and im a sophmore so i am assuming this is way more then i need to know but hell ill wrie all this down as notes for myself why not! Edit: we have 420 comments :)
Hello good day from Nigeria. I love your work and I am a great follower. From the solving you made a mistake input the temperature of Fe the second step instead of 90 you used 120c that is for Aluminum. Please do tell me if I am wrong thanks for the great work
yes he is wrong. it was an obvious mistake for audience. you should be able to get the answer and be 100% is correct for u double check u didnt mistake the values
![What is Heat, Specific Heat & Heat Capacity in Physics? - [2-1-4]](/img/n.gif)
Thermochemistry - Free Formula Sheet: bit.ly/3TP4U4u
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cant thank you enough for doing these videos. i have a terrible teacher and these videos are how i actually understand the material!!!
Literally took the words right out of my mouth😂🙏
@@samyentertainment3086 +1 😂
Same
me too my teacher sucks
Same
Time to speedrun and learn the whole semester for the finals
Sahi pakde ho online exam OP!!!!!🙄🙄🙄🙄😉
Learnt this last week forgot already now im here
@@puretestosterone2373 learned today, forgot today, hw due in an hour
Me rn. Finals in like 4 weeks and I've slept through almost all my Chemistry classes. Hehe... I'm in danger.
@@datboi1861 good luck👍🏾
On #5 you used 120°C instead of 90°C for Iron. Hence, the final temperature is 44.5°C, not 48.6°C. Moreover, thank you ❤🙏 for your videos, JG you're the best tutor I have ever heard.
Im glad im not the only one that got that
That is what I got tooo
i noticed that also he used 120 instead of 90
okay thank u thought i was going crazy lol
frr spent almost 20min trying to figure out where i went wrong lol
My college chem class is taught by a short lecture and "activity" handouts which are supposed to teach us everything we need to know on the subject. No matter how many times I read them I just couldn't retain that information, I felt so frustrated until i found your videos. I went from feeling horrible on my chances for passing the class to getting A's on my first two exams. Thank you so much for making these videos.
Andrew Buchtan then I’m probably not supposed to be doing this in middle school
xd Fortnite you’ll understand when you’re in college
im ALL ADVANCED AND ACCEL IM SMART
In my college classes so far they just throw shit at you once, then expect you to know it all from there on out
I'm in the same situation. I feel like it's extremely sad. Basically the guy who runs this channel is doing my professor's job for basically free while the "professor" does nothing. We pay like 10k a semester, it's very disturbing.
You getting me through sophmore chem
He is getting me through Freshman chemistry.
Kiara Tucker he is getting me though pre school chem
He is getting me through senior physics
he is etting me through freshman physics
getting me thru 8th grade physics
By far the best teacher I've never had. This world needs more people like you!
67.5*-90 not 67.5*120
the final tem should be 44.5degree cel
but the video is amazing...thanks!!
the mistake at 23:50
I was just going to say that!
i feel like the answer is 43.02938 degree cel . Correct me if im wrong
Kept reworking it thinking I had made a mistake thanks
@@MJ-wj5er I think the answer is 44.48
Thank you, for a second I thought I was trippin
Thermochemistry HW due October 18, and been struggling so much. Thank you for providing this lecture, as you teach better than my own chemistry professor
Schools during COVID isn’t the move
Facts i really thought taking AP classes during COVID would be easy😭🤡
Really is bs
fr :/ ion know what’s going on half the time
Yep 😭
@@ravenjwls55 AP CHEM & PHYSICS AND IM FAILING BOTH RN😭 after taking IB chem & Physics
you're a savior
I just have to thank you for these videos because they're saving my life right now.
I'm glad you found it useful.
THANK YOU SO MUCH, my teacher is a good guy and all but I struggle to learn anything. I can't tell you just how much this helped
Who else is here because they're hella confused on their assignment. (Here during Covid)
lol me
My book problem says 6.2 liters of water but i need to use grams. What do I do
@@josuegonzales8037 6.2L x 1000g
@@symfora1495 thanks
Here🖐
there was a mistake in the video at 22:45 he gave both metals the same initial temperatures whilst they were different the aluminum had 120 and the unknown metal had 90 he put 120 for both.
Yeah, noticed it too. I thought i was wrong after i had a different answer. So i went back to check and saw the error. But thanks to him for all the help. We all make mistakes sometimes
I got 41.7975. That would be correct?
@@cruzgonzalez3863 I think the answer is 44.484
Its 44.484, but you can try it again
Ive got 44.48
Great Video! Super helpful! Just a slight comment on 8. There is a small error for the initial temperature of Iron metal when plugging into mCdeltaT. You put it as 120 degrees celsius when the question says the initial temperature was 90 degrees Celsius. Anyways, the method and step by step process is pretty much spot on though! Thank you again!
I thought I was the only one who noticed! lol
Which means I got it
Thanks
mods I thought i got it wrong
thank youuuuu
thought i messed up for a bit there lol
Thank God for this comment
Professor Organic Chemistry Tutor, thank you for a lengthy video/lecture on Specific Heat Problems and Calculations in AP/General Chemistry. The practice problems are awesome from start to finish. Each problem increases my knowledge and understanding of Specific Heat Problems in Modern Chemistry. Professor Organic Chemistry Tutor, thanks to the viewers for finding and correcting the error(s) in this great video.
Your videos help me study, and you explain these concepts so well. TYSM!!
Just wrote my chem final for the semester
Got a great grade for the first time
Very grateful
👍😍❤️
You teach this so much better than my teacher. Thanks for helping me study!
22:39 mistake. The inital temperture of the iron was 90 not 120. Correct answer to that question is 44.48 degrees C. Not trying to call out the mistake but help people who are confused about why they are not getting his answer.
Around 23:00. The question having Aluminum,Iron and Water... There's a mistake behind his approach. The Element with the highest temp will lose heat to the others with low temp. Simply put... Aluminum at 120°c will lose heat to Iron metal at 90°c and water at 15°c cos the Conservation law of heat says that heat will flow from the higher region to the lower.
Asides that.... Still the greatest TH-cam tutor!!!
Organic Chemistry is the best school I've ever had. Thank u for giving me insight in physics and other science subjects.
you're the best physics teacher ever!♥♥
To my fellow watchers...
Error in 23:22
It's actually 67.5(Tsubf - 90), not 120.
:)
Yes!
and the answer would be 44.42C
@@nikitachoudhary253 🤓
really
Your videos are amazing. Three years ago, you helped me pass an online Algebra class and now that I decided to go through hell again, they are carrying me through Intro to Chem. The lecture videos given really aren't lectures and the book doesn't seem to explain the numbers given very well. Cannot thank you enough for making these.
This might be for chemistry but I'm using this for my physics exam coming up. So helpful.
me too!
Same here 😂
Omg I forgot this is chemistry but I'm learning it for physics 🤦🏻♀️
@@nerdly1363 yep. me too
uh be careful. some equations could be different for physics such as change in energy = q + w (in chem) but q - w ( in physics)
Hi. Just want to clarify problem #5 about the Aluminum and Iron initial temperature. It seems you calculated 120 degrees Celsius for Iron instead of 90 degrees Celsius only. Thank you, pls review also the final temperature happens to be the final answer too. ☺
I saw that too. It was driving me crazy
Thank you 🙏
Any who got replay
Yeah i got 44.5
I got 44.4
Was hoping you would pick up on your mistake at 23:50 but since you didnt....
It's 67.5*(Tf-90)
My answer was was Tf= 44.47°C
I also used Kg instead of g.
And my C for H2O was 4186J/Kg °C
Happens to the best of us chief.
Thanks for your unconditional tutoring 🙏🏽
I just wanna say thank you for saving my life!! you really don't under how this video saved me, like i went from a 20 percent confidence rate to a 99 percent!! God bless you richly!!
This channel is the only thing helping me in my chemistry studies......owe you a lot sir....❤
for the iron metal you should use 90 as the initial temp. But still, everyone does mistakes. I love your videos and they help me so much. Thank you. Plus all the people who comment noticing that mistake get it because of you so stop being mad people. He is the one who got you to understand so much that you can even catch errors now. That's a reason to be happy. Cheers.
thank you i was crying over chem homework i didn't understand and this helped break it down really well
I love you so much. My instructor gave us questions with new symbols and letters and no explanations, so I hit up google + youtube and found you: my savior.
Thank you very much. Tomorrow is our exam now I learned many techniques in solving this problems.
This guy really doesn't know how much he's saving my academic life 😭❤️
thank you chemistry man
You are glorious, thank you for the amazing videos, you've helped me so much through Pre-AP chem.
At 22:00 it should have been (Tf-90) not (Tf-120), in case anyone was wondering my final answer, instead of 48, it seemed to result in 44.48 *C
You are 100x better than my professor and it is all free to learn.
This was the best video i have ever seen on this topic, Thank you.
Thank you 😭🙏 this is getting me through freshman year chemistry 😪
Don't know if you'll see this but you do a great service to the college chem majors
yeah so like i dont get it
Might wanna look at some exaples of problems like thisnon the internet and use this vid as a step by step guide to solve them. Really helps getting the process intonyour head
Increase your iq
@@icewallowpiss7569 😂😂😂😂
@@icewallowpiss7569 teach me
Same
Hey! Great stuff! Much appreciated! Here is to getting a good grade!
In the aluminium, iron and water example at 22:07, I think that iron had the initial temperature of 90 C but then you took 120 C afterwards by mistake.
Hey, I thought the same thing.
yeah same here I wonder why that happen
Yh I just saw that too
Had the same thought. I thought I was tripping man
Omg my chem teacher just displays her notes on the board and tells us to learn it
90⁰c is the correct one for the iron initial temperature
Good job
Really helpful, just sometimes have problems following the dude because he often doesn't use things like °C or grams but rather only the numbers
I love you, man. Seriously.
I feel like mark wahlberg is teaching me chemistry
casper johnson He does sound like Mark lol
casper johnson haha! Yessssssss
I always think the same thing. Iol
C Johnson lmao - hilarious
This has really helped me a lot ..you have no idea 😩👌
sir, you are doing God's work. thank you so much
Not gonna lie, you saved me during quarantine, these teachers be making me write 50 slides worth of notes and give a brief explanation and don't explain the process on how to do the equation. Now give me a kiss. 😘😘
*Kiss.*
hello.
one of the question result for the final temperature of mixture becomes 44.48 c
anyway , useful
thank you
Yes agreem exactly the same
4 hours before my exam, and I feel like I'm going to pass it. THANK YOUUU!!!
How'd it go?
@@datboi1861 He failed lol
@@ng7756 💀💀💀
Thank you for making these super helpful videos!
Eventhough you made a mistake in the excise involving Al,Fe and H2o at the level of the initial temp of iron, am very thankful for your help althrough
listening to organic chemistry inputing his numbers on the calculator is so satisfying.
You my good sir are a god send.
22:10
You multiplied 67.5( final temp. - 120) but the initial temp. of iron is 90°C.
So, answer should be approx. 44.484°C.
yes
I have an exam in an hour and this video is helping me out
41:30 If The Reaction Absorbs Energy Then Q is Positive Not Negative.... And If It Releases It Then Its Negative. Endothermic=+Q Exothermic=-Q
tryna get through honors chem as a freshman during covid 🙏
Thank you very much, It helped me a lot
you are a life saver
Thank you man, it helped so much.
master chief, THANKS!
God bless you sir 🙏.
My duded here saving future career lives
Dam I got the NYS Regents exam tmr, can’t tank you enough 🤗🤗
Did you pass?
Thanks a lot Sir. Your videos have been helping me entirely to better comprehend and standout also in class. Thank you a 3000
theres a slight error at 22:11, it should be 67.5(T-90), but regardless of that, great work
Thanks for the explanations, it helps me with my tutorials..
Vividly explained. Thanks a lot.
Please guys any time a mistake is noted, please correct them in the comment section, don't insult or downgrade. Thank you
this was so so helpful, thank you
Best explanation, but there's an error in your calculation. Try and have a look at the question where it says " A 100g sample of aluminum ( c=0.90 J/g C) at 120C" instead of using the heat temperature of the sample of Iron, you used the 120C temperature of Aluminium. By the way I've learnt so much from you. THANK YOU.
I LOVE YOUUUU no homo i love u so much man big fan keep doin yo thing
ik this was posted 7 yrs ago but ay love u man
14:57 why is the water sample -qh20 when its temperature increases? and why is the metal sample positive when its temperature decreases?
because when metal loses temperature the water receives it.
@@TheMisterAnt im still confused . based on the video, the one who gained is positive, the one who lose is negative
@@TheMisterAnt metal is exothermic so, metal should be negstive right?
love you for this lecture, only an issue at 22.45
this dude is 2 good bro!!!
thankyou so muchhh
this has save me literallyyy!!!!!
One of the problem you did was wrong✖, but your explaintion was amazing , thank u👍👌
You are legit saving me on my physics exams. Thanks :)
why can't all teachers be like you!!!!!!!!!!
You are better then my teacher
23:43 I think he was wrong on this part because the given initial temperature of iron was 90°C but he uses 120°C instead which is the initial temperature for the aluminium but other than that great video
Yes I noticed that too....and Tf was 44.48°C
THAT'S WHAT I NOTICED
thanks for the lesson!
erm akschoully🤓☝at 22:08 the initial temperature for iron was 90 and not 120, which means the result would be approximately 45.16 degrees celsius. (my biggest akschoully moment)
thank you tho you're the best tutor everrr 🙏
Thank you so much for this man.
so glad i found this cause i do noooot understand my chem class right now, and im a sophmore so i am assuming this is way more then i need to know but hell ill wrie all this down as notes for myself why not!
Edit: we have 420 comments :)
i never type on my laptop, so many misspellings...
You are the best! Thank you for these videos! You saved me in Chem and calculus!
Thanks Alot from your videos .❤❤
Correction at 23:44. 67.5TF should be multiplied by -90 because it’s the Ti of Fe
this teaches me way better than lecture.
thank you so much bro i was using the density of water for substances that arent water and had no clue wwhy i was getting the wrong answer.
Love ur videos, so educative but there was a little mistake. The Tf is 44.5C not 44.8C
Ahh yes...I need this for life's journey.
Hello good day from Nigeria. I love your work and I am a great follower. From the solving you made a mistake input the temperature of Fe the second step instead of 90 you used 120c that is for Aluminum. Please do tell me if I am wrong thanks for the great work
yes he is wrong. it was an obvious mistake for audience. you should be able to get the answer and be 100% is correct for u double check u didnt mistake the values