Chemistry 1A - Lecture 1

[Jarrodmontelius]

co2 is not a major componet of global warming" very true

[JJStuffEngineering]

that guy is great,is he austrian? ^^

<3

[hashimlolx]

27200e3a add me ;)

[PookieBearxD]

I became pretty darn confused when he began to explain the answers to the stoichiometry question. When he said "Oxygen is twice the mass of Methane(CH4)" at 45:21, but then on the power point it said 2 grams of methane has the same number of grams because it's twice as heavy. I know mass and weight are different, but I still can't wrap my head around WHY that is the case. I don't understand why the answer is 1... Anyone care to explain?

[Xkerrix99]

@bough1995 same lol :)

[bough1995]

this is how im studying for my chem exam :)

[coryraystover]

He's way more lively than my Chem professor..

[ChibiDr3amz]

look at all those asians O_O

[xdatgrlx]

Ahhh thank you for uploading this :)

[MediumNothinFull]

hhahaha i like his reactions, holy cow and wowowowowowowow

[Mjvb2012]

@21:55 " Holy Wowwowwowweewowwow" I freakin love this guy!

[meronmotors]

does anyone know why at 25:20 we can see the cobalt atoms on the copper....yet we dont see the copper atoms...why is that?

[meronmotors]

I would love this teacher to teach nuclear technology "Students here I have plutonium and Uranium 235 ....all i have to do is send the uranium bullet down the bore and.......mushroom cloud" now that would be one hell of a bang!

[meronmotors]

this is a wonderful teacher. He is not boring.

[meronmotors]

this teachers voice reminds me of albert einstein

[Ghaiyst]

I took my SAT 2 years ago in that exact room! I swear! :)

[hiphoppacmotion]

I. Hate. Chemistry.

How is it that I failed a General Chem. class, but I passed Vector Calculus!!???!! It. Is. Bizarre. UHHHHH

[IAmTheNietzsche]

This chemistry teacher is a fucking boss

[RussellsParadox]

No chemistry class should be without explosions.

[TheCjdaigle]

This may be odd but I am just teaching myself chemistry or learning about it....im such a geek

[jwarmstrong]

this lecture/ demonstation is what is missing from most regular teachers (speak & learn curricurlum) they add little or no application of ideas

[rawdonwaller]

How could anyone fail this course? Talk about pampering the student. I guess this is what the student gets when s/he pays $

[elrayahi]

2years

[sinspiration89]

does anyone know what books they use for this class

[youaremyoffspring]

That's funny lecture, for me to poop on! LOL! The instructor kinda sounds like Triumph the insult comic dog! And for that reason, these lectures are hard to take seriously.

[zeroedimension]

Great. Youtube is awesome.

[MonsieurSinan]

my prof is  better.

[Chills327]

That is cool.Great video.

[1992LOolOo]

ياحسرتن على شبابن ليش مايعلمونا زي كدا قسم انه قهر بس محسوب علينا كيمياء

[jennythewhore]

Raaaar hot!

[EconomicLiteracyNow]

This is amazing! With such a vast storehouse of knowledge at the fingertips of anyone with access to the Internet, how does ignorance survive and thrive so well?

[sbergman27]

@EconomicLiteracyNow "how does ignorance survive and thrive so well?"

Ironically, through hard work and determination. It's not easy holding your fingers in your ears and singing 'La! La! La!' day in, day out, for years on end.

[cquackaz]

so why didn't he get water from that reaction?

[martyy12345]

@cquackaz

Ever heard of humidity? Did you expect him to have a glass of freshly done water in his hand?

[Zeuts85]

@cquackaz He did, but it was such a small amount that it was imperceptible as water vapor. Gas isn't very dense. ;)

[cquackaz]

@Zeuts85 okay thanks he didn't exactly say so i wasn't sure

[BlackFingerFilms]

@cquackaz Because it isn't H2O, it's 2H2O

[Siroucity]

I had to wait 12:25 for the lecture to start!

[CiaoBello21]

Fuck i just got a D on my chem exam. Studying for 4 hours seems like not enough for me.

[TheMatrixLogOut]

@CiaoBello21 If you are facing problems with Chemistry, you can contact me and watch my Chemistry video. I'm currently working on a basics of Chemistry course that requires no previous knowledge, you can already find the first video on my channel. I will be glad to help you out.

[CiaoBello21]

@TheMatrixLogOut Thank You. Ill be watching you and Khan Academy. Its one month until the chemistry finals.

[theoriginnoobfighter]

When does the lecture actually start?

[muffinodiefryfry]

I don't have my iClicker.. *tehe.*

[Noblyuntruthful]

chemistry is hard. i find physics easier.

[krpcannon123]

@Noblyuntruthful Everyone varies so much. At my school, Chemistry is the hardest course, while at a lot of other schools Physics and especially Engineering are The hardest.

[winterelf82]

Chemistry can be a threathening subject if you doesnt understand enough of the methodology, conceptual, quantitative problem solving skill .... so if you hate chemistry it will hate you more and if you like chemistry and it will gradually love you..... :) I like his classes, it is quite motivating..... 

[claton95]

I hate chemistry

[marianguitarchick1]

Thank you is all I have to say :)

[Jestlow]

Berkeley is very smart for doing this.

[omer88f]

run it forward 11 minutes :)

[Jarrodmontelius]

@omer88f 11:11

[DNYAP]

God bless you, Berkley! God bless you for these courses!!!

[Avatar831]

Dude this guy is badass

[idaliaslink]

i will log off here with a degree :D

[quexalcoatl]

ATTENTION ALL TEACHERS: Stop totally halting your lectures and demanding the students answer utterly simple and mundane questions en masse. It doesn't 'involve' them, it pisses them off!

[dooivid]

HybridD91, one mole of an (ideal) gas has a volume of 22.4 L

[dooivid]

Question (anyone please)

Near the end

2H2 + O2 = 2H2O

2 molecules + 1 molecule = 2 molecules

2 moles + 1 mole = 2 moles

2 grams + 16 grams = 18 grams

Wouldn't it be more comprehensible if the last line read, 4 grams + 32 grams = 36 grams

[mbphofan]

@dooivid im sure he was just avoiding confusion so he kept all the numbers on the left the same

[DNYAP]

@dooivid I agree with you. although I see his point being that molecules are not conserved. He is referring practically to the Oxygen molecule (O2) being converted to an atom. But, at the same time, I am pretty sure that 1 molecule of O2 has an atomic mass of around 32 grams, no?

[HybridD91]

Any one have an 'idea' what the 22.4 L stands for?

[dschainworks]

I took AP Biology and I have to say MIT's Biology lectures were absolutely fantastic. I am very excited to use this resource in my upcoming AP Chemistry Class!

[FleetStreetWhore]

I'm not attending Berkeley, but I intend on taking an introductory Chemistry course some time during my first year of college. This is a terrific resource, great review, and Professor Nitsche is adorable. I sat in on one of his lectures during my visit to campus in April and hope that my professors are this good.

[crazyhorsebitchhole]

sooooooooooo BORRIIIIIIIINNGNGNNGNGN

[Dlcarber]

Fist Pump'd when I got the methane question right, beating over half the class, twice!

[sayyourprayers666]

@Dlcarber not rlly difficult .... i was watching this vid in the hope of learning something but obviously this is just an easy start for the peeps.But i still was kinda amazed by how much people got it wrong .... there rlly must be something wrong with the american education :P (sorry for the crappy english it is not my native tongue :s)

[weiner7000]

At around 33:00 the professor says that an atom of oxygen has a mass of 15.999 u. But PT masses are isotopic averages, so the fact that O-16 has that mass is coincidental, yet he implies that PT masses are the mass of an atom. At around 34:00 he says that PT masses are fractional because they are isotopic averages, implying that isotopes have whole number masses! I assume he knows this is not the case, so then why say it?

[nkchenjx]

Enjoyable great video.

[DjZephy]

16:12 Boom. That was pretty good. Wow!

[neznammm11]

this is horrible how little students knew qyestion at the end ... it is basic and very simple question from chemistry which should be known even in high school (at least in europe) , and so little students knew correct answer ... dissapponiting ...

[navhap]

@45:45 i don't understand how he got 2 g of methane.

[TheTimeTraveler100]

Thanks a lot

[gulfland]

DEAR VIEWERS,

FOR ASTONISHING FACTS, JUST TYPE IN THE SEARCHING BOX:

Quran and Science

SEVEN PARTS! YOU MUST LIKE THEM!

[TheJustkiddinyou]

now you have no reason to fail classes when all the answers are on youtube. THE MOST USED WEBSITE.

[Omatunto]

professor Hayno Nietzschy??

[majestic93]

I love the laugh of this guy. Lol.

[SaidahJ]

This is great! Thank you so much for posting it.

[johnyflave]

Does anyone know where i can get the homework?

[johnyflave]

Berkeley isn't that bad

[DulciJubilo]

This is great! I get to learn some chemistry via Berkeley, where my dad got his PhD in physical chemistry a long, long time ago! THANKS! Fantastic!

[sourmanofcoal]

This is Berkeley? These students should have been prepared enough to answer the basic question asked by the professor at the end of the video. This video just goes to show you that people that go to Berkeley are not smarter than students at other universities or community colleges. Usually when people hear you went to "BERKELEY" they automatically think you're smart. What a weird world we live in. If you need to go to a "reputable" school, you might be short on talent

[smartaleck05]

@sourmanofcoal True, but there are people like that in every university, especially top colleges. Still, I'm betting some of the people who didn't answer did know the question; they just didn't want to speak up...at least that's what I might do.

[neznammm11]

@sourmanofcoal i totally degree , that question was very simple and should be known even for students of elementary and high school ...

[SMGrawks]

What was that little red book the students were referring to while arguing on how many moles the reaction would take? Is that a Berkley thing?

[ymkamara420]

thank you based god

[MszDezii]

OH SHIT! Can i like.. learn on youtube. Fuck tuition.

[lifewithjuan]

HOOOLY COOOW.

[lifewithjuan]

:( I wanna study in CA.

[samtar216]

Youtube is the new University

[DNYAP]

@samtar216 I know right. I am taking Anatomy and Physiology at Berkley, Differential and Integral Calculus at UCLA, Physics at MIT, Chemistry and Berkley, and Biology at MIT. I love the Internet <3

[RichtoffenRoach]

@samtar216 HELL YEAH!

[TheCheeseOfWar]

Awesome stuff. I'm in 9th grade in High School taking honors Bio, and honors Chemistry next year. Should be pretty awesome, can't wait. Also, I find it funny that this stuff is easier to understand than my 9th grade English homework.

[corksmusic1]

I think the lecture starts proper at 11:45



[TheRealMattC]

Check my page out for the "Gangsta Chemistry Song"...its a fun and easy way for anyone to study chemistry

[GermanPatriotic]

Very complete video, I appreciate it a lot ! I thank you !

[Seranguyen]

Thank you for the good people in sharing this. Great review!

[TheNoobinatorftw]

***I'll do it anyways. All things that have "volume" or "mass" (that's taking up space and it weighs something), is made up of "matter." All matter is made up of atoms, and each one has unique properties. There's nearly 120 unique elements, so it gets quite a bit complicated.*** Also, this is awesome, I might start to watch these, I'm only a sophomore in high school, I LOVE chemistry. It's awesome. Also, his accent made me lol.

[ZeddZul]

"You're in deep do-do" hah

[fr3d420]

im in grade 5 and what is dis?

[ZeddZul]

@fr3d420 Are you really in 5th grade? I'd be happy to explain if you'd like. Just don't want to if you're not being serious.

[vtdark]

Thanks so much for this

[juzam01]

Thank you UCBERKELEY for providing this material... you made the world a better place!

[hiphoppacmotion]

sooo.....Chem1A is way easier than Integral Calculus, right??? I'm jumping into Chem1A at UCSC without taking 1P (Intro to Chem). I forgot all my Chem, but I heard that Chem1A reviews everything you need to know first before jumping into new material.

[kiolm100]

Ha co2 was 350 ppm and now it's 370.....Global warming huh.lol. Now I can't trust anything this guy say's.

Good god they start with the programming the very first day.

[BelgianGurista]

All administrative information aside,LECTURE STARTS AT 11:44

Ease your hunger for knowledge & save time :)

[Mrtheunnameable]

this is fun!

[ESSENCEOFEACHTHING]

Chemistry : How GOD/Consciousness/ Will/ Intelligence organizes elements.

[FuIIOfFaiI]

I thought Chemistry was interesting, but my teacher sucked! We literally had substitutes every other day and watched (non-school related) movies daily. Fucking public schools, they're useless!

[innerhappiness]

2/23/2011 - Very interesting the problem is the audio. The professor knowledgeable.

Thank you UCBerkeley

[danielissoc00l]

this is carbon Okay carbon this is carbon. lol i couldn't resist laughing

[boscognome]

thank you to uc berkeley, the profs and everyone else involved in this project. you've made such high quality learning material available to so many people around the world and I for one am very grateful. i hope this initiative continues to grow.

[klasurfied]

he thinks C02 is one of the causes of global warming.

[sugarcoated122]

i wanna be a doctor and i love chem and bio! 

[mohabbat66]

wow he is a great professor

[akirakimura2088]

It's amazing when real teachers teach.

[Juefawn]

this guy spent 8 mins on stoichiometry. What speed.

[MrJackolantern92]

I go to UC Riverside and my Chem 1A professor has such a strong Chinese accent, I can't understand a thing she says. Thank you so much for uploading this, it's going to help so much! This is so amazing, all of the UCs should do this!

[vivace987]

Damn, I wish I had this guy teach me chemistry instead of the horrible professors I've unfortunately had. Guess I should've gone to Berkeley!

[BlurryVideos2011]

this is soooooooooooooooo long!

[MrCrimeRing]

I can watch all of these Vids and learn everything by heart. Know books cover to cover and if I don't pay $90K then I can't even consider getting a job. This is the fallacy. You are not guaranteed a job, but you are guaranteed massive debt.

[smoothjamskillmoure]

@MrCrimeRing heres what yah do, learn everything on your own, go to a university and test yourself into your last year of college, graduate with honors and get a degree for about 1/4 of what everyone else did.

[MrCrimeRing]

@smoothjamskillmoure Thank you for the suggestion. I have heard of that being said before, do they frown much upon testing out? or do they just not care, and do the BOT thing and process you as a number?

[smoothjamskillmoure]

@MrCrimeRing to be honest dude, I only tested out of some of the music courses when I began working on a music major. Otherwise its pretty much up to the teacher an whether or not they want to be a dick for higher up courses. I do have a friend though that went to school in mexico, came back here and tested a few years worth of work away for a bachelors in chemistry. But I could see a teacher being so vain that they think you could only learn what they know by taking their class.

[MrCrimeRing]

@smoothjamskillmoure Thank you very much. I appreciate your honesty and all the info.

[Lilleludde]

I think it starts at about 12:26.

[AEVautomatic]

too much introductions before content.(end of sentence)

[FifiRawr98]

@AEVautomatic doesn't a "." represent the end of a sentence?

[AEVautomatic]

@FifiRawr98 LOL, look everyone a moron.

[FifiRawr98]

@AEVautomatic How the fuck am I a moron? . Represents the end of a sentence, so why did you have to put (end of sentence)? /: If anyone is a moron, it's you. (End of sentence)

[AEVautomatic]

@FifiRawr98 Lol, Hey look everyone an idiot and a hypocrite.

[FifiRawr98]

@AEVautomatic Yeah whatever, (comma) I'm done. (End of sentence)

[ShaneFerg]

This Chemistry class seems a lot more fun! My chemistry professor barely speaks english. This is why UC Berkeley is the boss.

[CrazySatanicInfidel]

I don't have to pay anything and I get to attend Berkeley!!

Ha ha. Crushing the system. >:D

[HybridD91]

@CrazySatanicInfidel They already made money off these lectures lol. So, yeah.

[liqdC]

Thank you so much for uploading this. You are truely a lifesaver. It really feels like I am sitting there with them. And the best part is being able to pause and replay. I'm so getting an A :)

[realmsaddictuz]

12C is assigned exactly 12 atomic mass units (amu). Masses of all other atoms are given relative to this standard. Atomic masses are averages of isotopic masses. 1 amu = 1.661 x10-21 / g = 1.661 x 10-27 kg / 6.022 x 1023 amu = 1g (6.022 x 1023 atoms) (12amu/atom) = 12 g :))

[fashionista236]

Outstanding Professor!

[NegativeNick]

wait, why do you want a 1 to 2 ratio instead of a 1 to 1 ratio? I don't get it.

[synastikki]

@NegativeNick Because there is 2 moles of Oxygen and 1 mole of methane...

[tim0090]

@NegativeNick because to have a complete the reaction you need to have 2 oxy atoms :)

[123demaio]

very cool 8 th grader

[Rogerfon2010]

Yes, I can be wrong, but I can be right. I didn’t see any “more detail” in this class. It seems that you want the same thing as me. To know deeper the content. But, it was not what I saw in this class. What I saw was a little show. All that experiments was fantastic, but all too much superficial. For a college introductory class I expected much, much, much more. Cheers.

[Rogerfon2010]

Nothing new!!! To a university course this guy was too simplistic… To an introductory chemistry class I was expecting something greater! Some about the history of chemistry, since Democritus, passing by Helmont, Lavoisier, Proust, Dalton, Rutherford, Mendeleyev and so on… Absurdity! This didn’t pass of a high school class… We need the essence of the science to connect ourselves with the knowledge, not informational content. What happens with you???!!!!

[alwaystvxq08]

@Rogerfon2010 your wrong, we learn all that in high school, by the time i get into university i want to go into more detail to what chemistry actually is

[exceptional1414]

@Rogerfon2010 you learn all that before you go to university. I learned all those stuff in grade 8 and 9. This lecture assumes previous knowledge of chemistry (basic knowledge) like how to read periodic table, how to read reactions and stuff. I think it is still hard to learn as good as you do in a real class... just my opinion.

[rjsmith2202]

If you guys like free lectures, iTunes University has Hundreds of them.

[cvickst]

This is incredible. I'm gonna be a freshman at Northwestern this upcoming year, and I'm watching as many of these as I can to prepare! Hello A

[mephatboi]

too bad he rushed through some of the mole stuff that can be confusing (perhaps the "meat" of the lecture) and spent/wasted a lot of time on other junk (like 5 minutes of stupid examples on just how damn small avogadro's number is, all the time doing the dumb quiz & waiting for student responses, etc.)

[mephatboi]

*how BIG avogadro's number is

[thepibbxman]

Hahaha Free stuff feels GOOD!

[TolpuddleMartyr]

I never thought I'd be able to sit in on a lecture at Berkeley. God, how I love the internet!

[samgee2007]

Chunmei lee is a Chinese from communist china! ..there few just too few smart lectures in America!

[rozagain]

This guy is great! As a student at another university, I must say, this is a far, far more superior instructor than we have. :-( Wish I could afford Berkeley

[loufromlou]

Good lunch?

Haha

:)

[tina5359]

lecture 10:34

[euch27]

Can somebody explain to me why on the website of the "dynamic periodic table", isotopes have different mass numbers?

[imundiath]

Dad- Stop wasting time on you tube!! Me - I'm learning shhhh!

[Glinter69]

Free college knowledge!!! Muahaha

[Christiantballs]

Yea this is very cool stuff. I was never interested in this stuff in school so never put the time into learning it. Now I will be able to make up for lost time and get the basics down so I can get a degree in such a thing. Thanks whoever put this up, i love you.

[DrSanchez666]

good after noon!!!

funny dork!!!

great lectures

[DrSanchez666]

good after noon!!!

funny dork

great lectures

[DrSanchez666]

good after noon!!!

funny dork

but good lectures

[Poncho151500]

God, all school should just be on youtube. We'd save a fortune on gas.

[SMGrawks]

@Poncho151500 No because then a parent might be home and actually see what kind of stuff are being taught their kids.

Kid: "Dad, is Professor Chang right, was Mao really the greatest leader of the Free World?"

Dad: "What!"

[Poncho151500]

@SMGrawks I didn't get your joke, lol :P.

I wouldn't doubt it if a bunch of the stuff we're being taught is bogus anyways. One must always remain critical of everything they hear xD!

[smuggler14]

wow, im learning this stuff right now im my h.s chem class, love it.

[EnvyAbomination]

Is he German?

[HaematoxylinEosin]

you might be right, his name & his accent are at least...