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INFORME DEL LABORATORIO
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UNI VERSI DAD NACI ONALDE I NGENI ERÍ A
FACULTAD DE I NGENI ERÍ MECÁNI CA CURSO
:
QUÍ MI CAGE GENERAL
CÓDI GO
:
MB312
PROFESOR
: APOLAYAARNAO,MARY
I NFORME Nº
:
2
:
ESTEQU QUI OMETRI A
TI TULO
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20142600B PARAVI CI NIDELACR CRUZ UZ,MI CHA HAELSTE
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Índice: I .Í ndi ce………………………………………………………………. . ……. . ……. …… I I .I nt roducci ón. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . I I I .Fundament ot eóri co………………………. . ……………………. . …. . …. . . . … I V.Resul t ados……………. . ………………………………………. . …………. . . . . . . . 1.E .Experi ment o N° 1: Det ermi naci ón de l a efici enci a de r eacci ón…………………………………………………………………. . …… 1.a.Pr epar aci óndeBaCO3( s) …………………. . ………………. …. . . . … 1.b.Cuandoseproducedesprendi mi ent odeungas. . . . . . . . . . . . . . . . . . . . 2.E .Experi ment o N° 2: Det ermi naci ón de l a f órmul a de hi dr at o…………………………………………………. ………. ………. …. . . .
V.Concl usi ones…………………………… ……………………………………………. ………………. …………………. …. . …… 1.E .Experi ment o N° 1: Det ermi naci ón de l a efici enci a de r eacci ón…… ……………………………………………………………. . . . . . . . . . . . . . . 1.a.Preparaci óndeBaCO3( s) …………. . . . . . . . . . . . . . . . . . . . ……. . . . . . . . . . . . . … 1.b.Cuandoseproducedesprendi mi ent odeungas. . . . . . . . . . . . . . . . . . . .
.Experi ment o N° 2: Det ermi naci ón de l a f órmul a de Master your2.E semester with Scribd hi dr at o………………………………………… …… . . . . . . . . … … … …. ……… Read Free For 30. Days Sign up to vote on this title & The New York Times Useful Not useful VI .Recomendaci ones…………………………………. …………………………………. ………. . . ……………. ……. Special offer for students: Only $4.99/month.
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1.E .E peri ment o N° 1: Det ermi naci ón de l a efici enci a de
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I NTRODUCC CCIÓN
Elsi gui ent ei nf orme mequeconst adet r esexper i ment os:dosde “ Det er mi naci óndeefici enci adeunar eacci ón”y unaúl t i ma “ Det er mi naci óndef órmu mul adeunhi dr at o” ;conl afinal i daddedara conocerl oscambi oscual i t at i vosycuant i t at i vosder eacci onesquí mi cas, part ecual i t at i vaseapr eci aenl oscamb mbi osdepr opi edadesf í si cascomo mo camb mbi odecol or ,est adodeagregaci ónypr opi edadesquí mi cascomo mo comp mposi ci ón cent esi mal ,concent r aci ón,r eact i vi dad,et c.Lapart e cuansemester t i t at i va,al ame mwith edi ci ón dema masasdel assust anci asreacci onan t esy Master your Scribd Read Free Foron Days Sign up this title pr oduct os,r endi mi ent o,pormedi odei nst rum ent oto svote d ep30 re c i s i ónyu sad & The New York Times Not useful Useful Cancel anytime. coneldebi docui dado.Ademá más,seapl i canoper ac i one sest equi ome met ri as Special offer for students: Only $4.99/month. l eyesquedemu muest r ansuval i dezyapl i caci ónal apr áct i ca.
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Fundame mentot eóri co: Est equi ome met ri aunt ér mi noquerefier el adescr i pci óndel oscál cul osqu comp mpr endenr el aci onescuant i t at i vasent r esust anci asquepart i ci pan en unar eacci ónquí mi ca. Lasr eacci onesquí mi casseevi denci ancuandoocurr en camb mbi osenl as pr opi edadesdel osreact ant escomo mol ossi gui ent eshechos:
Forma maci óndepreci pi t ados.
Desprendi mi ent odeungas.
Li ber aci ónoabsorci óndeener gí a.
Cambi odecol or ,et c.
Seconsi der an dosgrandest i posder eacci onesquí mi cas
Nocamb mbi odenúmer odeoxi daci ón.
REDOX
Leyesponder al esausar :
Conservaci óndel ama masa.Lavoi si er .
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Resul tados: Experi mentoN° N° 1:Determi naci ón del aefici enci adeunareacci ón: a)
Preparaci ón deBaCO3( s ) : BaCl ac) +Na2CO3( ac) BaCO3( s) +2NaCl ( ac) 2(
Paraf or marBaCO3( s)sehi zoreacci onarBaCl Cl ac) 0. 2M, M,10mLcon 2( Na2CO3( ac) :0. 2M,10mLenunvasodepreci pi t adoobt eni éndoseu sust anci abl ancaquesedej oreposar .Luegodeest osepr ocedi óa fil t r ado,enpapelfil t r o0. 66gconl aayudadeunemb mbudoyuna mat r azdeEr l enmeyer ,sel avó2ve cesparar ecuper arelmáxi mod masadelsól i doconaguadest i l adaysepr ocedi óalsecadosobr eu r ej i l l ayconl aayudadeunr adi ador ,queconcent r oelcal or ,se r eal i zoaunat emp mper at ur ade60° C.Elpr ocesodesecadodemo mor ó apr oxi madame ment e5mi nut os,obt eni éndoseunsól i dobl anco.
Teóri camente: BaCl ac) :0. 002mo molproduceBaCO3( s) : 0. 002mol 2( Masat eór i caBaCO3( s) :0. 3946g
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b)Cuandoseproducedesprendi mi entodeungas: KCl O3 KCl +3/2O2 cat al i zador:MnO2
Set ení a0. 9gdeKCl O3 con0. 11gdeM Mn nO2 enunt ubode desprendi mi ent ol at er alcuyama manguer asedej oenaguapara evi denci areloxi genoquesedesprendeysaberelr angodet i emp mpoe queocurr el areacci ón,apr oxi madame ment e2mi nut os.Conl aayud delmec her osel l ev oacabounareacci óndondeobt uvouna sust anci agri squesedej oenf ri arysepr ocedi óafil t r arconl aayu depapelfil t r o( 1)yunmat r azdeEr l enmeyerconelfindeel i mi nar MnO.Enelmat r azseañadi ó400got asapr oxi madame ment edeAgN 0. 1M obser vándosel af orma maci óndeunasól i dobl ancodur ant el a pr eci pi t aci ón,est esefil t ro( 2)obt eni éndoseunsól i dodecol or moradoelcualsel l evóasecarsobr eunt rí podeconr ej i l l a.Est e sol i doser í aAgCl ( s)elcualayudaraaconocerl amasadeKCl ( s)p medi odel al eydePr oustr el aci onandol oani onescl oroyl oscat i on plata.
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M
t eór i caKCl0548g
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MasaO2:0. 9g+0. 11g0. 78g=0. 23g MasaAgClconpapelfil t r o:0. 87 Papelfil t ro( 2) :0. 68g MasaAgCl :0. 19g Comp mposi ci óncent .Ag:0. 76% ma masaAg:0. 144g
LeydePrust :Ag+Cl Cl AgCl M( Ag) /M( M( Cl ) =ct e=3. 042=masaAg=0. 144g/ma masaCl MasaCl =0. 0473g Comp mposi ci óncent esi malClenKCl :47% Porl ot ant oma masadeKCl =0. 1006g Rendi mi ent o:( 0. 1006/0. 548) x100=18%
Experi mentoN° 2:Determi naci ón del af ormul adeunhi drato CuSO4. XH2O( s) CuSO4( s) +XH2O( g)
Unamu mues t r adeCuSO4. XH2O enpol vosepr ocedi óacal ent ardent r odeu cr i sol ,conl aayudadelmecher o,apr oxi madame ment e20mi nut os,l uegose Master your semester with Scribd dej oenf ri arysepeso,sedevol vi óalf uegoys er e a l i z o un a s etitle gunda pesad Read Free For 30 Days Sign up to vote on this & The New York Useful Not useful del ami mi sma mTimes af orma ma,alcomp mpararl aselmargen ee r r o r f u e d e 0 . 0 2 , d Cancel anytime. Special offer for students: Only $4.99/month. acept abl epar adeci rquenohayma masadeagua.Luego,seobt uvol ama masa
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2dapesada:26. 27g MasadeCuSO4:1. 83g Cal cul oest eoqui omé mét ri co: CuSO4. XH2O( s) CuSO4( s) +XH2O( g) 1. 83g 159. 5g
( 2. 91. 83) g 18X
Porl ot ant o X=5. 181mo mol
Concl usi ones: Experi mentoN° 1. a)P )Preparaci óndeBaCO3( s ) :
Lamasaexperi ment alnoconcuer daconl at eóri cadebi doal a per di dadeest aocasi onadapordi f erent esf act ores( mal a mani pul aci ón,defici enci aenelsecadooenl ar eacci ón,et c)l o quenosdaunr endi mi ent ome menoral100%.
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cat al i zadorMnO2,est oevi denci aqueelcat al i zadorsol oacel era
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Exper i ment al ment eesposi bl eobt enerl af ormu mul amo mol ecul ard unhi drat oconunabuenaaproxi maci ón.
ElCuSO4( s)enhi dr at oypur oma mant i enesuf aseyaquealseru salt i eneunpunt odef usi ónel evado,porl ot ant ocual qui er f órmu mul adesalhi dr at adapodr áserhal l adacomo mosehi zoenel ant eri orexperi ment o.
Recome mendaci ones: Experi mentoN° 1 a)P )Preparaci óndeBaCO3( s ) :
Lat emp mper at ur adesecadodebesermenora90° C medi doen basedel ar ej i l l asobr eelr adi ador .
Lavar2ve cesparaobt enerelmáxi modesol i doBaCO3( s)
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Cal ent arBaCl O3 conMn MnO2 conl aayudadelmecher o,gi r an al r ededordel abasedelt uboafindequel areacci ónsea uni f orme.
Echar2mLdeaguaant esdefil t r arparasepar arel catalizador.
Experi mentoN° 2
Mol erl amu muest r aant esdecal ent arl amu muest r a.
Moverconayudadel abaguet aper i ódi came ment eparaunsecad uni f orme.
Despuésdecal ent arl amu muest r a,dej arenf ri arpar al uego l l evarl oapesar .
Desernecesari ocal ent ar5mi mi nut osmá másl amu mues t r apara el i mi narl ama mayorcant i daddemo mol écul asdeagua.
Cuesti onari o: emp mpl osdedi f er ent esr eacci onessi ncamb mbi oenel 1.De3ej númer odeoxi daci óny3ej emp mpl osdi f er ent esdereacci onesREDO Master your semester with Scribd Read Free Foron 30this Days Sign up to vote title Rea cci ones noREDOX & The New York Times Useful Not useful Special offer for students: Only $4.99/month.
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Est asr eacci onesnopr esent ancamb mbi osensunúmer odeoxi daci ónocar
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Sedefinecomo moreacci onesdei nt er camb mbi odeel ect r onesysecaract er i porqueenel l osocurr evari aci ónenl osnúmer osdeoxi daci óndel os pr oduct oscon r el aci ónal osnúmer osdeoxi daci óndel osreact ant es. Ej emp mpl os: Elpr ocesosi der úr gi codepr oducci óndehi er r opuederepr esent arse medi ant el assi gui ent essemi mi r eacci ones: 2Fe2O3 →4 →4Fe+3O2 Semi mi r eacci ónder educci ón 2CO +O2 →2 →2CO2 Semi mi r eacci óndeoxi daci ón 2Fe2O3+2CO →Fe+CO2 Reacci óngener al : 3NH3+4H2SO4 →4 →4S +3HNO3+7H2O P4+3KOH +3H2O → 3KH2PO2+PH3
2.Consi der andol aefici enci acal cul adaenelexperi ment o,det er mi n quepesodecar bonat odeBari oseobt i enedel are acci ónde40m semester with Scribd l sol uci ón0. 3N deNa con60ml mldeRead sol uFree cto i ón 0. 6 M d eBaC 2CO3 2. For 30 Days Sign up vote on this title
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BaCl Na2CO3→BaCO3+2NaCl 2+
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BaCl ac) +Na2CO3( ac) BaCO3( s) +2NaCl ( ac) 2( 1mol
1mol
0. 057mol
0. 057mol
MasaBaCO3( s) =( masamol ar ) x( n) =11. 24g Consi der andol adescomp mposi ci óndelKCl O3 yl aefici enci acal cul a 4. enelexperi ment oA,det er mi narelpesodeest ecomp mpuest oquese debeemp mpl earpar aobt ener500mldeO2 me medi dosenC. N.1mo mol gr amo modeO2ocupa22. 4l i t r os. %efici enci a=18% 2KCLO3→2KCL+3O2 2mo mol
3mo mol 1mo mol 22. 4L
2mo mol y
x 0. 704g
x=0. 022mo mol
0. 5L y=0. 704g
Rendi mi ent o:0. 704x18%= %=0. 126g
Det er mi nare lnúme r odemo mol écul asdeaguaqueexi st eenca da Master your5.semester with Scribd Read Free Foron 30this Days Sign up to vote title mol écul adecri st alhi dr at ado. & The New York Times Useful Not useful Special offer for students: Only $4.99/month.
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