My class and I found your channel a few weeks ago, and you've been a true lifesaver. You have eternal, grateful support from the thirty of us! AP Chem just wouldn't be the same without Jeremy Krug.
Went through the whole course in 2 weeks, because im a proctrastinar XD. But your 10 min unit review videos are great. Spending this last day tomorrow on A LOOT of practise. Thank you Mr Krug, if ill pass, you are a big part of that!!
I've been known to procrastinate too, but AP Chem in 2 weeks is quite the speedrun. I hope you pass the exam and get that great score! You've got this!
Mr. Krug, thank you so much for creating this video. I'm a little confused about one thing, though. For the first Unit 5 example problem, wouldn't the rate of production of NO2F be 2x the overall reaction rate, since its stoichiometric coefficient is 2 in the reaction? Thank you!
I see what you're saying, but could it be that you're confusing overall reaction rate with the rate constant? Remember that the rate constant can't just be determined stoichiometrically; we need the orders of the reactants.
@@JeremyKrug I don't think that is what it is. When it says "rate" in the rate law, I thought that meant the overall reaction rate; is the overall reaction rate the same as the rate of production of NO2F?
hi, i’m really confused on the difference between molecules and atoms because I thought that like in CCl2 there would be 3 atoms but some questions it tells me to multiply the number of moles by avagadros number to find the number of atoms but I thought that would be the number of molecules or particles.
(moles) x (Avogadro's Number) is equal to the number of fundamental particles that unit has. If its a compound like CCl2, it's molecules. If it's an element like Na, it would be atoms. If it's an ion like Cu2+, it's ions.
hi mr. krug!! would it be wrong to say that ammonia has dipole-dipole, hydrogen bonding, and london dispersion (is it okay to mention both dipole dipole AND hydrogen bonding)? thank you!!
Mr Krug, Thou hast, by thine presence and influence, transformed the very fabric of my being. Like the sun that doth gild the meadows with its golden hue, thou hast cast thy radiant light upon the shadowed path I once traversed. Thank you!
Im gonna really miss coming out and watching these videos when the Exam ends tomorrow, I've never seen a teacher explain the concepts of AP chemistry nearly as well as you. The conciseness of your explanations and your ability to focus only on what's necessary make it really easy to stay engaged and to learn. I'll miss you Mr. Krug
Boy oh boy where do I even begin. Jeremy... Krug, my pookie bear. I have loved Chem ever since I first laid eyes on your Videos. The way you drive into the periodic table and strike fear into your enemies eyes. Your silky smooth math around the radius, and that gorgeous face. I would do anything for you. I wish it were possible to freeze time so I would never have to watch you retire. Thank you for this video!
First time taking an AP exam as a sophomore, hopefully I will get at least a 3. If not, then I will for sure going to get a better score in AP physics 😊
mr krug no matter how i do on the ap exam i would like to thank you for helping me get an A last semester and a B this semester in the hardest class i have ever taken thus far 🙏
Ap chem done. You helped me so much bro 😭😭 SO SO MUCH I DEFINITELY GOT NOTHINGLESS THAN A 3 OR 4 a 5 if i was really on point 🙏 answered all mcq but couldn't mske it to q3 on frq but thats 1 out of 7 so I think I'm solid!Ty Goat
Dude, this test has got me super nervous. My school crams this all in half a year, these videos are a life saver. Definite recommendation to any other students taking AP chem, learned more in like 3 hours of videos than a half year of class. We got this!
Thank you so much. I really struggled with Equilibrium. Well in general it took me longer to actually understand everything since I’m taking AP Chem my sophomore year. But you’ve carried my grade which is currently at 98. I really appreciate what you do.
Thank you so much for spending the time to create this. I have been stressing a lot on this hoping to get that 5. This really simplified everything and brought the most important things to light. I appreciate you helping and motivating various students across the world including me. Thank you for all that you do.
Mr Krug it is because of you that I have learned more about the AP Chemistry class and what it has to offer. As the AP exam comes closer, I can go in confidentally knowing the material. God bless you Mr. Krug.
Hey Mr. Krug, Do you recommend spending 5 hours watching the organic chemistry tutor's 2 full review videos? or is this video and a few ap mcqs and frqs better?
i'd say do the orgo tutor afterwards if you have time but start with practice because that's the best once you've done a lot of frqs and mcqs and you're fine you can watch the videos if you still have time but practice is ultimately what is needed, not just watching videos
1:10:01 doesn't adding helium increase the pressure of the system because the overall pressure will increase if helium gas is added? When pressure increases, the equilibrium will shift to favor the side with less moles (reactants) and produce more N20 by consuming N2.
No. Helium is an inert gas in this reaction, in other words, it's not a reactant or a product. Adding helium does not change the partial pressure of any of the reactants or products in the system, so equilibrium does not shift at all.
@@JeremyKrug But wouldn't adding gas increase the overall pressure of the system, therefore the system moves to retain equilibrium pressure by moving to the side with least moles of gas which is the reactant side, per Le Chatelier's principle?
Here to say thank you again cuz I got my result and I manage to secure a 3 from just watching Jeremy krug videos for 4 months only from unit1 until 9 he’s truly the one and only chemistry GOAT hands down, thank you again Mr krug 🐐🐐🐐
I have been watching your channel for the past few months now, just a new viewer. I wanted to thank you for your hard work and your effort to help us get a good score on the exam, love watching your videos, the GOAT Mr Krug
You’re also one of the best AP chemistry teachers out there on youtube who has an organized plan going over every unit so I really appreciate it and thank you!
Hi Jermey Krug. When my teacher was not doing any quality teaching you really helped me. My teacher now is really good, but the one previous was struggling to understand the stuff himself!
@@JeremyKrug Your videos have been really helpful, a lot of this stuff I haven't done in class in months and, even though its not ridiculously difficult, I just need this refresher.
Hi Mr. Krug, at 1:10:00 of the video when you go over the addition of helium gas to the vessel (Unit 7), I am a bit confused on why there would be no change. As the vessel is a closed container, wouldn't adding helium gas to it cause the pressure to go up, and thus the reaction to shift towards to reactants to reduce the number of moles?
Thank you Mr.Jeremy for all the help this year. I don’t know how well I did on the test. But, I do know I would have done worse without you Mr.Krug. Thank You
Hey Mr. Krug I have a question about Coffee Cup Calorimetry: When calculating energy, say we heated a piece of metal then placed it into a cup of water, do we used the combined mass of water+ metal or do we just use the mass of the water? (Given we have volume of water). Do the circumstances of an overall question ever change the Answer?
We just use the mass of the water. Since the metal isn't reacting, just passing heat to the water, we can assume that the Q lost by the metal is equal to the Q gained by the water. If its just a physical heat transfer process like this, nothing fundamental should ever change.
Hi Mr. Krug, i just wanted to thank you for your videos! they've helped me so much this year-I also just took my ap chem exam today and I felt pretty confident!! So thank you so much!!!
Thank you so much Mr. Krug! I've been reviewing with your unit review videos and they've been helping so much. You explain things very clearly and so comprehensively. Very thankful that you're putting out a cram session too. 🤗
Hey Mr. Krug, I know you don’t know me and i’m probably in a complete different state from you but nevertheless I really appreciate the videos you’ve made regarding the AP chemistry reviews. Even if I don’t do well in these exams you’ve honestly prepared me more than my own AP chemistry teacher (no offense to her) so thank you.
I'm honored to know that I've been a part of your AP Chem experience this year. This is a tough class, but I'm so glad that my videos helped you out this year. Best wishes on your future endeavors!
Mr. Krug, I really appreciate you. You have helped me so much throughout this entire year and are one of my most favorite teachers. All of your content is concise, well structured, and top-quality. You do not know just how much easier you have made my year. Thank you from the bottom of my heart.
Thanks for your kind comment. I try really hard to make great videos, and I'm so happy to see that great students like yourself are able to make good use of them. I know you've worked hard this year, it's going to pay off on the exam Monday, you've got this!
