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Chemistry: A Volatile History (2010)

 
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MessagePosté le: Sam 21 Mai - 02:05 (2016)    Sujet du message: Chemistry: A Volatile History (2010) Répondre en citant




Chemistry: A Volatile History (2010) > urlin.us/2bw0m





Then...slowly,...the...solution...to...this...discrepancy...occurred...to...Meitner...Einstein...and...E...=...mc2...the...missing...mass...had...been...converted...to...energyTo....investigate....this....further,....Lavoisier....rerun....Priestleys....experiment....in....reverse....he....heated....some....mercury....in....a....sealed....container....until....it....turned....into....mercuric....calc....and....measured....the....amount....of....air....absorbedSo....informativeGenius....of....Britain....III19....viewsit....is....the....same....as....pressing....magnets....with....same....poles....togetherBerzelius...experiences...with...glass-blowing...had...an...additional...bonus,...in...1824...he...discovered...that...one...of...the...constituents...of...glass...was...a...new...element...silicontupes........ben....There....are....92....naturally....occurring....elements,....which....are....created....by....starsThe..higher..the..energy..of..the..electron..usually..means..that..it's..more..likely..to..be..found..farther..away..rather..than..closerImagine....that....you're....standing....in....this....church....in....the....middle,....and....that....at....your....feet....there's....a....basketballI....also....love....the....hostWhler....and....von....Liebig....had....inadvertently....discovered....isomerism:....the....same....number....of....atoms....of....the....same....elements....combining....in....different....ways....to....make....different....compoundsHowever,....there....was....one....fundamental....question....left....unanswered:....how....many....elements....were....there....could....there....be....an....infinite....number....of....elements....between....Hydrogen....and....Uranium?nickkcin...ok,...but...these...are...oppositely...charged...particles,...hence...the...reason...they...come...together...to...make...the...atom...in...the...first...placeWhen....Couper....discovered....Wurtz....had....delayed....in....sending....his....paper....to....be....published....he....flew....into....a....rage....and....was....promptly....expelled....from....the....laboratory....by....WurtzDalton....suggested....that....everything....in....the....universe....was....made....of....atoms,....and....that....there....are....as....many....kinds....of....atoms....as....there....are....elements,....each....one....with....its....own....signature....weightopinin...to...nickkcin...it...is...all...about...charge,...i...guessThe..BBC..makes..the..best..documentaries..and..I..have..seen..a..bit..of..themQuimbys...This...documentary...is...great...for...the...unscientific...or...uncurious...and...perhaps...a...stimulating...film...for...childrenFor..example,..burning..wood..releases..phlogiston,..leaving..the..pure..form..of..wood..ash,..therefore..wood..is..composed..of..ash..(pure..wood)..and..phlogistonAchems....Razor....Finished....watching....this....docThe....whole....church....is....your....atomShockingly,....only....three....weeks....after....the....patent....for....nylon....had....been....filed,....a....depressed....Carothers....slipped....another....carbon....based....compound....into....his....own....drink,....potassium....cyanide,....and....killed....himselfEpisode..2:..The..Order..of..the..Elements[edit]In...18th...century...Prussia,...Heinrich...Diesbach...was...trying...to...produce...a...synthetic...red...paintEver....hear....of....probability....density....clouds?....They're....an....important....concept....in....understanding....that....electrons....can....be....at....any....place....around....the....nucleusEven....though....Mendeleev....had....left....the....necessary....gap....for....gallium....as....well....as....other....elements,....it....was....becoming....clear....there....was....an....entire....group....that....was....missing....altogetherDavy..heated..the..potash..until..it..was..liquid,..then..introduced..two..electrodes..and..passed..a..current..through..the..molten..potashHe....tested....for....elements....below....uranium....in....the....periodic....table:....radon,....actinium,....polonium,....as....far....back....as....lead....it....was....none....of....theseeg:..Oxygen..means..acid..giver..because..Lavoisier..believed..it..made..acid.Today...nearly...all...petrol...is...unleaded,...although...lead...lives...on...in...motor...vehicles...in...their...batteriesThe...history...of...chemistry...in...this...series...is...very...interesting...and...will...no...doubt...motivate...thousands...of...young...people...to...pursue...chemistry...courses...and...careers...in...universityYet....for....centuries....this....world....was....largely....unknown,....and....completely....misunderstoodRutherford..realised..that..if..an..atom..is..losing..protons,..its..identity..is..changing..at..the..same..time,..since..an..atoms..identity..is..governed..by..its..proton..numberLeaving...the...uranium...crystals...on...an...unexposed...photographic...plate...overnight,...he...returned...the...next...morning...to...discover...they...had...caused...the...part...of...the...plate...they...were...sat...on...to...developHahn...wrote...of...his...confusion...to...his...colleague...Lisa...Meitner...who,...as...an...Austrian...Jew,...had...recently...fled...Nazi...Germany...for...SwedenSee..full..summary..Stars:..Brian..Cox,..Steven..Mackintosh..0..Next....The..Incredible..Human..Journey..(TV..Series..2009)..Documentary......1..2..3..4..5..6..7..8..9..10..8.3/10..X....This..series..explains..the..evidence..for..the..theory..of..early..human..migrations..out..of..Africa..and..subsequently..around..the..world,..supporting..the..Out..of..Africa..TheoryCharles....Darwin...."""""....science....is....the....eternal....struggle....against....ignornace""""....Albert....EinsteinJust...92...elements...combine...to...form...all...the...compounds...on...EarthIn...his...capacity...as...an...engineer...with...General...Motors,...Thomas...Midgley...experimented...with...a...myriad...of...different...compounds,...which...he...added...to...petrol...in...an...attempt...to...prevent...engines...from...knocking 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MessagePosté le: Sam 21 Mai - 02:05 (2016)    Sujet du message: Publicité

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