informe 10 general a2.docx
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Tabla de contenido
Pág.
1. RESUMEN...................................................................................................2
2. INTRODUCCIÓN.........................................................................................3
3. FUNDAMENTO TEÓRICO.............................................................................4
4. DETALLES EXPERIMENTALES......................................................................6
4.1. MATERIALES Y REACTIVOS......................................................................6
4.2. PROCEDIMIENTO EXPERIMENTAL............................................................6
5. DISCUSIÓN DE RESULTADOS....................................................................10
6. CONCLUSIONES.......................................................................................10
7. RECOMENDACIONES................................................................................10
8. BIBLIORAF!A..........................................................................................11
". CUESTIONARIO........................................................................................12
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1. RESUMEN
E# $%&'()& *( (#('+%&,-/' ,-( %' ( '-+& #) %(''&() ,-/')'& # '&%%(+( (#'+%'. E ()$('# #) %(''&() %(*& $)&) *(
&*' ,-( $(%*( (#('+%&() (# &+%& (#(/(+& )( ('-(+% (%(*-'' '($+*& (#('+%&().
T((*& #&) (#('+%&*&) 9&*& '9+&*& #-:%() *&*( ; - & *( #&) (#('+%&() ( - %('' $&% (*( #&) (#('+%+&) )& #))-)+') '-&)) '&*-'+&%) *&*( )( *()$# #&) (#('+%&(). V(/&),-( #&) (#('+%&*&) )-#() )& (%+() ( - %('' $&% ()& & ;+(%'' $(%& () /9) $%&#( (# -)& *( (#('+%&*&) )-#().L $%/(% ($(%(' () # (#('+%)) *( # )-' *( I '& (# (#('+%&*&'% :%+& )-#( *&*( )( *)&' (# :- &%/*& ;*%&:(&
:)(&)& %(#9*&)( ( (# '9+&*& ( (# 9&*& +/ &*& '-&)& *('&% $%*&. D()$-) *( '* # ($(%(' )( %(+% - '+**('()% $% (
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2. INTRODUCCIÓN
C&/& ;(/&)
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3. UND!MENTO TEÓRICO
E"ECTRO#UIMIC!. E) - /+&*& *()($%' *( #&) (#(/(+&) ,-(&%/ - '&/$-()+& $#'*&
(#('+%'**J )( $%&*-'( ( $%/(% #-:%# *()'&/$&)' ( &() )(:-*& *(*
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4. DET!""ES EPERIMENT!"ES
4.1. M!TERI!"ES + RE!CTI/OS
%*## '& 6 +-&) *( ()&.
T-& ( U. P$(+ :%*-* *( 10 /#. M+% E%#(/((% *( 250 /#. V)& *( 250 /#. B-%(+ *( 50 /#. S&$&%+( -*& *( /(+#&.
A#/*.
4.2. PROCEDIMIENTO EPERIMENT!"
!. E"ECTRO"ISIS DE 0I .)M E"ECTRODOS INSO"U"ES.
P%/(%& )( '&' - '+** )-'(+( *( )-' *( I 05M ( (# +-&( U *( /&*& ,-( ##(:-( ;)+ 1 '/. $&% *(>& *( # $%+( )-$(%&%.
S( )+# (# $%+& *( (#('+%#)). L -(+( *( '&%%(+( *%('+ ='&+-?+(*%9 - $&+('# *( 12V. S( ;'( #) '&(&() (#'+%')'&%%()$&*(+() )( *(> +%)'-%%% # (#('+%#)) *-%+( 10 /-+&).
S( &)(%
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C& - :&+(%& )( (+%( 2/# *(# '9+&*& $% 2 +-&) *( ()& 1/# ('* +-&.
L-(:& - +-& *(# '9+&*& )( :%(: 4 :&+) *( (+#( # &+%&+-& )( #( *( 2 :&+) *( F(C#3 *( 0.1M.
F#/(+( (+%(% '& (# :&+(%& 1/# *( # )-' $%* *(# 9&*&
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L-(:& )( )' 10/# *(# '9+&*& )( # :%(: 3 :&+) *( %>*& *(/(+#& )( ++-# '& - )-' *( C# 0.1M ,-( &) * - *& *(/(+#&.
C. E"ECTRO"ISIS DE C'SO4 E"ECTRODOS INSO"U"ES.
S( (/$#( - )-' *( C-SO4 05M )( $%&'(*( )+#% (# (,-$&$% '&/(% # (#('+%#)). A,- )( -) 12V '& - +(/$& *( 10 /.
S( &)(%) *( - :) ()+( :) ()&:(&. M(+%) ,-( ( (# '9+&*& )( ()+9 *($&)+*& - )-)+'/%% ,-( () (# '&%( *( # )-'.
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D( # )-' *&*( )( ('&+% ( (# 9&*& )( (+%( 2/# '& (#:&+(%& )( ##(&?. E)+& () $%'&/$%&% # $%()(' *(# .
D(# '9+&*& +/ )( )' 2/# '& (# :&+(%& )( ##(&. P%
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). DISCUSIÓN DE RESU"T!DOS
V(/&) ,-( # /&/(+& *( $-%'% (# '&%( (# #/%( & (% #& ,-( )(*()+(:% )& # #/ *( '&%( '&) ,-( & *( )-'(*(% ()&() $&%,-( '&'/&) # %(-+% #&) (#('+%&*&) *(*& ,-( )( $&*% :((%% -'&%+& '%'-+&.
A)(:-%%)( *( ,-( # '&( ()+( '&%%('+/(+( '&'* **& ,-( )()+ # %(-+&) $&%,-( ()+& $%&
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5. I"IO,R!8!
• ;++$J.%#$.-+.(*-.%:%-$&)($(,(>*408.;+/# 24911921)• ;++$J()$'&'('.'&/#(G*(G%*G*-''&G(#('+%&/:(+'
24911921)
-/' ((%# R/&* C;: E*+&%# M' %G## U*'/(*' =2013? P9: 815
• -/' ((%# 8
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7. CUESTION!RIO
a Pa$a cada :$oce%o elect$olito en%a;ado en cla%e e%c$ibi$ la%%e'e %e :$od'cen en cada elect$odo ; la $eacci?nneta.
E"ECTRO"ISIS DE 0Cl elect$oli%i%in%ol'ble.
O*' =9&*&?J
−¿−¿→I
2+2e¿
2 I ¿
R(*-'' ='9+&*&?J
−¿−¿→H
2+2(OH )¿
2 H 2O+2e¿
R('' (+J−¿+2 H
2O→H
2(g)+ I 2 (g)2 I
¿
E"ECTRO"ISIS DE C'SO4 Elect$oli%i%in%ol'ble.
O*' =9&*&?J
−¿+¿+4 e¿
2 H 2O→O2+4 H ¿
R(*-'' ='9+&*&?J
−¿→2Cu(s)2+¿+4 e¿
2Cu¿
R('' (+J+¿
2+¿+2 H 2O→2Cu+O
2+4 H ¿
2Cu¿
PURIIC!CION DE" CORE elect$odode C'6 ánodo %ol'ble
O*'J
−¿2+¿+2e¿
Cu(s )→Cu¿
R(*-''J
−¿→Cu(s )2+¿+2e¿
Cu¿
R('' (+J
2+¿+Cu2+¿→Cu¿
Cu(s)+Cu¿
E"ECTRO"ISIS DE NaCl
O*'J
−¿−¿→ Cl
2 (g)+2e¿
2Cl¿
R(*-''J−¿
−¿→H 2+2(OH )¿
2 H 2O+2e¿
R(''(+J
−¿−¿+2 H
2O→Cl
2 (s)+ H 2+2(OH )¿
2Cl¿
b @C'ále% %on lo% :$od'cto% >'e %e Aa &o$
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CATODOJ S( &%/ ;*%&:(& :)(&)&. S( *(+' :%(:*&(+#(.
E"ECTRO"ISIS DE "! SO"UCION DE C'SO4 Elect$oli%i% in%ol'ble.ANODOJ S( #(% &:(& :)(&)&. S( *(+' '& # )-' *((+#( %>*& *( /(+#&.
CATODOJ S( &%/ (# '&%( )*&. S( *(+' :%(:*& '*& +%'&# (#('+%&*&.
PURIIC!CION DE" CORE elect$odo de C'6 ánodo %ol'bleANODOJ S( *()$%(*( %%& *'& =*)/-( (# '&%(?.CATODOJ L/## '& '%(/(+& *( /) *( '&%(.
E"ECTRO"ISIS DE "! SO"UCION NaClANODOJ S( &%/ '#&%& :)(&)&.CATODOJ )( &%/ ;*%&:(& :)(&)& (# /(*& () 9)'& )( *(+':%(:*& 2 :&+) *( (+#( ++-#*& '& C#.
c De ac'e$do a %'% ob%e$Facione%B :$ediga @C'ále% %e$an la%%e'e.
E# (#('+%&*& )-#( () (# ,-( )-%( )- (#('+%)) $&% # %('' %(*& ('%(/(+ & *)/-( )-
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+¿+SO4−2
K 2SO
4→2 K
¿
• Red'cci?n6 −¿−¿→H 2+2(OH )¿
2 H 2O+2e¿
2/−¿
H 2O→2e
¿
2/ H 2O→2(96500C ) Xmol →86400C
X 0.8"5/ → ´ M =¿ 0."85/ 18 gr
mol=16.11gr
• OHidaci?n6 +¿
−¿+4 H ¿2 H 2O→O2+4 e
¿
2/−¿
H 2O→4e
¿
2/ H 2O→4(96500C )
X / → 86400'
0.447/ → M =¿ 0.447/ 18 gr
mol=8.05 gr
M) +&+# *( :-J 24.16 :
[ ]=W peso
PF
V sol
= 60 g
174.2 gr
mol
275.83
=1.24 x10−3 M
& Se elect$olia )
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1/2+¿→2(96500C )
Cu¿
X / → 6300'0.0326/ → V = M → 0.0326/ 0.5L ¿0.0163 M
• OHidaci?n6−¿
−¿→ Cl2 (s)+2e¿
2Cl¿
2/−¿
−¿→2e¿
Cl¿
2/+¿→2(96500C )
Cl¿
X / → 6300'0.0652/ → V = M → 0.0652/ 0.5L ¿0.033 M
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