MCAT Test Prep General Chemistry Review Study Guide Part 1
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- เผยแพร่เมื่อ 27 มิ.ย. 2016
- This online video course tutorial focuses on the general chemistry section of the mcat. This video provides a lecture filled with notes and a sheet of formula and equations that will be useful as well as the fundamental concepts that go with. This study guide / review will help you to learn the most important topics in chemistry that you need to do well the physical science part of the MCAT. It has plenty of example problems and practice questions for you to test your knowledge on.
MCAT General Chemistry Part 1 - 8.5 Hour Review:
bit.ly/3xEWUuI
MCAT General Chemistry Part 2 - 7.5 Hour Review:
bit.ly/4awPGaI
MCAT Organic Chemistry Reactions Part 1 - 4 Hour Review:
bit.ly/43WXZuf
MCAT Organic Chemistry Reactions Part 2 - 5 Hour Review:
bit.ly/3TQXzkp
Here is a list of topics:
1. Atoms, Molecules, Pure Elements, Ionic and Covalent Compounds
2. Subatomic Particles - Electrons, Protons, and Neutrons
3. The difference between an atom and an ion
4. Cations vs Anions - Positive vs Negative Charged Ions
5. Pure Substance and Mixtures - Homogeneous and Heterogeneous
6. Density Practice Problems - Unit Conversion and Dimensional Analysis
7. Temperature Conversions - Celsius, Fahrenheit, and Kelvin
8. Atomic Number, Mass Number, and Charge
9. Isotopes - C12 and C13 - Hydrogen, Deuterium and Tritium
10. Allotropes of Carbon - Diamond and Graphite
11. Alloys of Metals - Bronze, Brass, Steel, and Nichrome Wire
12. 7 Diatomic Elements - H2, N2, O2, F2, Cl2, Br2, and I2
13. Monoatomic vs Polyatomic Ions - List to Memorize
14. Nomenclature of Ionic and Molecular Compounds
15. How To Write The Formula of Ionic and Covalent Compounds
16. Strong and Weak Acids vs Strong and Weak Bases
17. The pH Scale - Acidic vs Basic Conditions
18. How To Name Acids - Nomenclature & How To Write the Formula of an Acid
19. Acid Base Conjugate Pairs - Conjugate Acid vs Conjugate Base
20. Arrhenius Acid vs Arrhenius Base - H3O+ Hydronium Ions vs Hydroxide OH- Ions
21. Bronsted Lowry Acid vs Bronsted Lowry Base - Proton Donors vs Proton Accetors
22. Lewis Acid vs Lewis Base - Electron Pair Acceptors and Electron Pair Donors
23. Acid water reaction vs base water reaction - reversible vs irreversible reactions - 1 or 2 arrows
24. Acid Base Dissociation Reactions
25. Molar Mass - Atomic mass, Molecular Weight and Formula Weight Calculations
26. Mass Percent and Percent Composition Equation
27. Grams to Moles Conversion and Moles to Gram
28. Mole to Mole and Gram to Gram Stoichiometry
29. Actual Yield, Theoretical Yield, Percent Yield and Percent Error Calculations
30. How To Calculate The Amount of Excess Reactant That Remains
31. How To Identify the Limiting and Excess Reactant
32. Empirical Formula and Molecular Formula Determination Given Grams or Percent Composition
33. Empirical Formula - Combusion Analysis
34. Solubility Rules - Soluble vs Insoluble - Aqueous vs Solid Phase
35. Strong, Weak and Nonelectrolytes - Electrical Conductivity of Solutions
36. Concentration and Molarity Calculations - Moles of Solute and Liters of Solution
37. Dilution Examples Problems - M1V1 M2V2 - Molarity, Volume and Mass in grams
38. Solution Stoichiometry - Limiting and Excess Reactant - Theoretical Yield Calculations
39. Acid Base Titration Problems - M1V1=M2V2
40. Chemical Reactions - Synthesis, Combination, Decomposition, Combustion, Redox Reactions, Single Replacement, Double Replacement Reactions, Acid Base Neutralization, Precipitation Reactions, and Gas Evolution Reactions
41. Net Ionic Equations - Total Ionic and Molecular Equations - Spectator Ions
42. Combined Gas Law Formula and Ideal Gas Law Equation - PV=nRT
43. Boyle’s Law, Charles Law, Gay Lussac’s Law and Avogadro’s Law
44. Pressure, Temperature, Volume and Moles - Direct vs Inverse Relationship
45. Gas Density and Molar Mass Example Problems
46. Dalton’s Law of Partial Pressures and Graham’s Law of Effusion
47. Average Kinetic Energy of a Gas vs Temperature
48. Partial Pressure, Mole Fraction, and Vapor Pressure
49. Gas Law Stoichiometry Problems - STP - Standard Temperature and Pressure
50. Molar Volume - 1 mole of gas = 22.4 Liters
51. Kinetic Molecular Theory of Gases Postulate
52. Units of Pressure - Torr, mm Hg, atm, Kpa, and Pa.
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MCAT General Chemistry Part 1 - 8.5 Hour Review: bit.ly/3xEWUuI
MCAT General Chemistry Part 2 - 7.5 Hour Review: bit.ly/4awPGaI
MCAT Organic Chemistry Reactions Part 1 - 4 Hour Review: bit.ly/43WXZuf
MCAT Organic Chemistry Reactions Part 2 - 5 Hour Review: bit.ly/3TQXzkp
Is this also available on youtube for members?
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@@junebug8241 I've been following along with this and MCAT prep books, and he hits on just about everything WAY more succinctly. Definitely use multiple sources to study (this/TH-cam, Books, UWorld, premed95 Anki, Khan Academy 90pg guide, etc.)
@@bellefeu4933 oh thank you, yes i've been doing books/uworld/KA/anki as of now but i just wanted a video source that condenses everything. I'm more of a visual learner than just reading the books :(. Also have you went through the Organic chem review study guide video that's posted by this user?
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@1:56:53 should be 2mole/co2
Been watching your videos since high school and now watching them for the MCAT. Thank you for making these videos and for teaching thousands : )
holy damn, this guy is going to bring the world of science tutorship to its knees
My friend.... My dear Organic Chemistry Tutor. You helped me passed my undergrad.
Here we go for round two!
In places where he uses a calc, just know to use your own intuition and approximate (good practice).
Please make a physics guide!
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steelersrlegend is this helpful for entry test
Thank you so much for this video. It is really helpful. Keep making such videos 😊
Had a week to study the MCAT. Watched his videos for the week to study. Got a 496 on the MCAT. Take of that what you will.
that's actually pretty solid for 1 week if anything short of incredible
How did you do on the Gen Chem portion? I want to make sure that I am using my time wisely and this is very effective.
@@AD00MA 121 but I ran out of time and wasnt able to answer like 7 questions.
You're honestly the best, thank you so much!
Really glad I found this review. Makes me much more confident in taking my exam. Thanks man.
Does this video and its part 2 cover all the topics on the MCAT? i.e. basically everything in my Kaplan textbook.
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He is reading off something...
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This vid is so great! consider making an MCAT playlist
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This video is an absolute goldmine of MCAT study material. Thank you!
Hey man about to start Gen chem book do you think watching this and part 2 is enough knowledge for the mcat Gen chem area
@@omarkandil7221 It covers everything you realistically should know
just a small correction at around 1:56:54, 88/44g = 2, so 2 moles of CO2
I thought I was going crazy lol...thanks
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Thanks.
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Your videos are so incredibly helpful! I am curious, is there supposed to be a part 3 in this series?
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Do you mind making a part 3 since those topics are ones that students generally struggle with? Thank you :)
1:56:55 should be 2 moles not 22 moles of CO2
yes i was scratching my head at that lol. 88/44=2
You're a lifesaver bro
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NO calculator allowed on MCAT. Don't need to know any units besides SI. Very informative though!
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Nothing is sacred
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3:18:59 I am struggling with the empirical formula question. I don't see why you can figure that for every 2 hydrogens in H20, there is one hydrogen in the hydrocarbon. You use this 1mol H20 :2 mol H ratio to get the empirical number for hydrogen. We don't know the balanced equation, because there could be one or two hydrogens on the left side of the equation, or as many as ten so it would be wrong to assume that the ratio is 1:2
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1:32:33
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Hello, is this the full video of Gen Chem review? I see there is a part 2 as well. So total of 6 hours should cover all of the topics you have listed in the description? Thanks.
I'm enjoying this so far, but why can't you separate H2O by boiling causing evaporation... doesn't that separate?
WOW thank you.
Great
Thank you so much
Thanks for great video. Where is part of the MCAT prep video, please?
This is very helpful ! Can you do MCAT biology
Hello. Thanks for the video as it is very good. Just finished this video and can you please check the solutions to these...
1:56:54 -- Should the answer have been 2 instead of 22 and 2:20:00. Should the calculation have been done using S and not S8 as the number of moles given were for sulphur but then you asked for grams of S8. so in that in case we should calculate grams of S and then multiply times 8 to get the right the answer, which would give an answer of 127.79... please advise thanks a lot for your time in making the video
Thanks for the first correction. It should be 2 instead of 22.
As for the second part, the mass of sulfur will be the same. if you divide 3 x 10^23 atoms of S by 6 x 10^23, you get 0.5 moles of S atoms. If you convert it to molecules of S8 by multiplying 0.5 moles of S atoms with 1 mol of S8 / 8 mol of S, you get 0.0625 mol of S8.
If you convert 0.0625 mol of S8 into grams by multiplying it by 256g of S8 / 1 mol of S8, this will give 16g of S8 or 16 grams of sulfur.
If you convert 0.5 moles of S into grams by multiplying it by 32g of S / 1 mol of S, you will still get 16g of sulfur. Either case, the mass of sulfur is still the same. I hope that helps :)
Excellent. thank you very much for the riposte and confirmation. :)
No Problem
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Question: At 26 min, you state that metals, when heated, decrease in electrical conductivity. However metalloids, when heated, increase in electrical conductivity.
The first statement seems counterintuitive - would you mind explaining? I don't recall learning this.
I've been looking into this - it seems as if as metals are heated, the number of electronic collisions increases, which impedes electrical conductivity.
For metalloids, I haven't found much info. But I could make an educated hypothesis that since they have fewer free electrons for conduction purposes, the increased collisions effect is less dramatic.
If anyone else has further input, please add :)
actually with the increase in temperature, vibration of metal atoms is increased which narrows the passage of moving electrons in conductors, so with increase in temperature, resistance is increased in it.. however, in semi conductors, case of conduction is a little different..
if you recall the energy band theory then you can see that with the increase in temperature, more electrons jump into the conduction band from the valence band, so it's conductivity is increased!!
that was a simple and brief answer to your question
actually with the increase in temperature, vibration of metal atoms is increased which narrows the passage of moving electrons in conductors, so with increase in temperature, resistance is increased in it.. however, in semi conductors, case of conduction is a little different..
if you recall the energy band theory then you can see that with the increase in temperature, more electrons jump into the conduction band from the valence band, so it's conductivity is increased!!
that was a simple and brief answer to your question
you made a mistake at at 1:56:40 its not 22 moles, its 2 moles, 88/44 = 2 moles not 22
Can't believe that the General Chemistry needed for Biology 1 for my biology major is part of the MCAT. I was so surprised by that. No wonder biology majors prepare themselves for MCAT.
PS: Thank you for the study guide for General Chemistry 1 and General Chemistry 2
for the problem at 2:58, why didnt he do the moles/coefficent to determine the limiting reagent?
Just a heads up @ 1:26:15 oxalate actually has 4 Oxygen atoms :/
Where are the bullets points #16-24 all the acid/base stuff???
I don't have to study for the MCAT-I'm just curious about chemistry. 😂 Good resource, I learned a lot.
1:56:50 division error when dividing 88/44
helpful tnx
The best
2:56:39
How is the reaction balanced when there are 5 Hydrogens on the Reactant side and 6 Hydrogen on the product side?
Robleh Omar there’s six H on the left. There’s a hydrogen after the oxygen.
What program do you use to write please?
how to differ between when something is made up of atoms or molecules? Like why isn't MgO not atomic or a molecule?
Is radio activity, talking like a mass of phones playing at one time?
why is gold so pain ful? Is that from sodium bond or electronic shocks?
I admire what you are doing but I'm taught that all noble gases are monoatomic molecules but that goes against what you told here in this video can you explain that.
Is there an MCAT playlist?
I forgot to turn off my phone last night and I woke up with this 1:37:25 in.
I think you made a mistake on the molar mass of CO2 in your problem on 1:56:50, the answer should be 2 mols not 22.
Can you make a MCAT Playlist ? please
DIY
looked in the kaplan mcat for chemistry and just do not function as a textbook as my sole source. typed in mcat chemistry review and look what I see, 6 hours total of chemistry with org tutor... you bet your ass Im in!
is this just the trailer? and the full 8 hours is on vimeo?
I'm 16 years old but I really enjoy learning these concepts
1:21:13 - 1:27:12 do i have to memorize all that?
How do I acccess the full version
The 8hr review is $40, so $5/hr… I actually think it’s worth it. Wish I wasn’t a poor college student lol
46:40 you said it should be -1x but then put 11-x, what happened to the negative in front of the x? Shouldn’t it be 11-(-1x)
It wouldn't be because of the way the problem is set up.
AMU = m1*p1 + m2*p2
10.81 = 10(x) + 11(1-x)
Since (1-x) is in the parenthesis... you would first have to do 11*1 = 11 and then 11*(-x) = -11x.
So the next part, what he does is he puts the like terms together which is where I think you might've gotten confused. Therefore:
10.81 = 10x + 11 - 11x
10.81 = -1x + 11 (You're putting -11x + 10x which equals -1x. So it wouldn't be 11-(-x).... it's just simply 11 - 1x).
micro value is minus 6 then why used plus six????
LOL. I didn't know there was such a small amount of chem in medicine. Maybe that explains why my GP looked in awe when I told him I teach chem, then I glanced at his brag wall saying, "Dude, you're an MD!". Nice respect all around, but come on. Being an MD is a much harder course of study. Good luck to all of you.
Where is part 2
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hi Habib
Please add subtitles
Why isn't magnesium oxide a molecule??? plz help
Sorry I'm a little late here, but to the best of my knowledge of chemistry I hope this helps. Any binary ionic (or any ionic compound) formed by an anion and a cation is considered just a "compound" or "ionic compound", such as sodium chloride (table salt) or magnesium oxide. Any compound that is covalently bonded is considered a molecule, such as glucose, n-hexane, 2,2-dimethlybutane to name a few. Hope this helps. Note: the "n" in n-hexane denotes the compound hexane is normal and distinguishes it from an isomers, which are the same molecular formula but the atoms are differently connected.
Hi! Can someone tell me the difference between the MCAT review and the IB,AP, College one posted? Im from Canada! The material looks the same? Im in university
They are going to be the same. If any differences exist, they will be very small.
Why's mgo not a molecule?
Because it’s ionic and ionic compounds can’t be molecules :)
I just purchased the membership but I am unable to find the rest of this video pertaining to acids? Could someone help me find it??
wow is it not on here....
7:03 every thing with more than one element or two of the same element bonded together is a molecular compound? but then there is covalent compounds like H2O and ionic compounds like NaCl. I think you set that chart up wrong.
"if you type it in a calculator" *there is no calculator on the mcat*
at about 1:50:00, i believe avogadros number is pertinent to the amount of particles in a mole. not in a gram
is actually in molecules not moles
Did anyone purchase the full-length video or wanna split the cost?
In minute 1:56:55 is there a mistake there? 88/22= 2 not 22
currently crying in bed bc of an anxiety attack due to chemistry exams tomorrow and i don’t know shit abt chemistry so i hope this helps
Why isn't NaCl considered a molecule if it is two or more different elements?
A molecule is a distinct pocket of a few atoms bonded together. NaCl doesn't exactly do that, it forms a huge 3 dimensional grid of billions and billions of atoms. The atoms are actually ions, they are positively and negatively charged, so that's why they stick together so well. That's why it isn't a molecule. Hope that answers your question...
Ionic compound
Metal /gas
because it is ionic and bound only by + and - attraction and is not a molecule as it doesn't share its electrons
How do we know that MgO is NOT a molecule?
Theresa Sengpraseuth it’s ionic
because it is a combination of a metal and a non metal (ionic)
I’m only in the 12th grade, and I’m studying as soon as I graduate.
I wish I had this mentality. You will be a rock star. Good luck in your studies!