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Standard Enthalpy of Formation - Exothermic?
Hello, I have a conceptual question about enthalpies of formation I hope you can assist me with. Given that the enthalpy of reaction is typically negative, does that suggest that the product formed is...
View ArticleAAMC FL1 #57: Confusion over equilibria-related wording
I have seen others post about this question, and I completely understand why B is the answer - same Le Chatelier principle. My issue with this question is the wording, and I'd like to ask whether this...
View ArticleAAMC Spoiler - online practice questions from the official guide
View attachment 258316 Can someone please be kind enough to explain this with the general webers formula : change in intensity = intensity x constant - I understand how 10-12 is the JND = 2 JND, and...
View ArticleSelling MCAT books
Hello, I am a current senior chemistry major and I am graduating May 3rd. I took the MCAT last summer, scored well, and was accepted into medical school. I am currently selling all of my MCAT books and...
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MCAT Snell Law
I got the question right but I am not sure the specifics of why I would choose this answer. It was more of a gut response. At what incident angle (θi) does a ray have to first hit the collection face...
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Nernst Equation
I have been trying to figure out this question for a while and have not been able to do so, can anyone help?
View ArticleTBR Titration (Equivalence Point)
@BerkReviewTeach So maybe I'm just having a brain-dead moment here, but TBR says we can estimate the equivalence point by averaging the pKa of the acid and the pH of the titrant. How do we know the pH...
View ArticleThin lens equation for mirrors?
Not sure if its normal to ask content questions here but im gonna go for it. 1. I was wondering if the thin lens equation be used for mirrors (convex and concave)? 2. Can it be used in all situations...
View ArticleAre Next Step Question Packs Good?
Hi Everyone, I have access to the NS Q-Pack and have been using them, but want to make sure they are not a waste of time in comparison to the actual AAMC stuff. I want to do all the AAMC stuff, but...
View ArticleSection Bank C/P #73. Possible mistake?
So I got the question right, but I think I have been messed up with the concept of millimoles since like AP Chem from years ago. The solution states that '10 mM of MgCl2' indicates that there are 10^-2...
View ArticleOrgo
Can someone please explain what makes one cis and the other trans? What two groups should I be looking at??
View ArticleWestern Blot
Could someone explain to me western blot and function of primary and secondary antibodies?
View ArticleOsmotic vs Oncotic
1. Is there a difference between oncotic and osmotic pressures? 2. What role does albumin play in this 3. Is there a difference in action between albumin and other solutes in the blood?
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TBR Physics Confusion
Can someone please explain the attached question and answer please? I really do not understand the solution. Thanks!
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Hydrostatic pressure
Can someone please explain the below question to me? The answer is A. High Hydrostatic pressure causes edema in tissues so wouldn’t you want an increase in albumin in the veins to suck the water back...
View ArticleAAMC FL1 C/P Passage 3, intensity of radiation
EDIT: Yikes. Confused sound waves with light waves. Leaving it all here anyways incase people wanna read about the intensity of sound waves, haha. EDIT 2: If some sound/light wave expert sees this,...
View ArticleShould I focus on content, or mostly practice questions?
MCAT will be in just under 2 months (about 50 days). I scored a paltry 490 on my first MCAT because I ran out of time on every section and did only 2 third party practice tests. I spent the past 6...
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