formato de informe de laboratorio_qu426a (1)_20150

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UNIVERSIDAD NACIONAL DE INGENIERAFACULTAD DE INGENIERA QUMICA Y TEXTIL

Departamento Acadm!co de In"en!er#a Q$#m!ca

%DENSIDAD Y &ESO MOLECULAR A&ARENTE DEL AIRE'

GRU&O N( )

Inte"rante*+

Carbajal Guerra Oscar Andr 20140108C Figueroa Flores Jimmy Bryan 20140212E en!er"a obles #iego

&ro,e*ore* de pract!ca+

$ng% Olga Bull&n Camarena $ng% 'arcos (urco )l*are+

&er!odo acadm!co+ 201, - 2

Fec-a de rea.!/ac!0n de .a pract!ca+04.0/.1,

Fec-a de pre*entac!0n de. !n,orme+11.0/.1,

LIMA 1 &ER2

3456

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2

nd!ce "enera.

or!ada%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%1

ndice general%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%2

ndice de !ablas%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 2

ndice de iguras%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 2

3"!ulo de la r5c!ica de labora!orio%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%2

Obje!i*os%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 2

Fundamen!o !e&rico%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%2

ar!e e6erimen!al%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 7

#a!os e6erimen!ales%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%7

C5lculos u"micos%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%7

Obser*aciones%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%7

Conclusiones%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%7

Bibliogra"a%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 7

Ane6os%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 7

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7

nd!ce de ta7.a*

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4

nd!ce de ,!"$ra*

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,

Den*!dad 8 pe*o mo.ec$.ar aparente de. a!re

O79et!:o*+ #e!erminar el eso molecular aaren!e del aire a resi&n y *olumen cons!an!e

median!e la ecuaci&n de es!ado de los gases reales y la ecuaci&n de 9an #er:aals%

;allar la densidad del aire a dieren!es !emera!uras u!ili+ando el eso

molecular aaren!e ue es aro6imable al comor!amien!o de losgases a bajas resiones y !emera!uras mayores a la !emera!ura cr"!ica% (inembargo> es!a ecuaci&n ierde muc y no es caa+ de redecir la condensaci&n de gas en l"uido% orello> e6is!e una serie de ecuaciones de es!ado m5s recisas ara gases yl"uidos% En!re las ec$ac!one* de e*tado m;* emp.eada* sobresalen lasecuaciones c?bicas de es!ado% #e ellas> las m5s conocidas y u!ili+adas son laecuaci&n de eng@obinson y la ecuaci&n de edlic

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Me/c.a de "a*e* !dea.e*+

a me+cla ideal es un modelo de me+cla en el cual el *olumen> la energ"a in!ernay la en!alia de la me+cla es igual al de los comonen!es uros or searado> es decir el*olumen> la energ"a y la en!alia de me+cla es nula% Cuan!o m5s se aceruen a es!os*alores los de una me+cla real m5s ideal ser5 la me+cla% Al!erna!i*amen!e una me+cla es

ideal si su coeicien!e de ac!i*idad es 1% Es!e coeicien!e es el ue mide la idealidad delas soluciones% (imliica enormemen!e los c5lculos y se usa de reerencia ara lasme+clas reales%

&e*o mo.ec$.ar aparente+

(eg?n la ley de #al!on> una me+cla de gases e comor!a como un sol gas> cuyoeso molecular aaren!e es la media de los esos moleculares de los gases uecons!i!uyen la me+cla> !eniendo en cuen!a su abundancia rela!i*a%

&arte e=per!menta.+

Dato* e=per!menta.e* 3abla de da!os

> de med!c!0n 5 3 ) ? 6 @Temperat$ra

(CB21 77%, 41 ,1 80

Ma*a de. *!*tema"B

117%HH2 117%H24 117%H 117%21 117%1 117%4/1

#a!os ob!enidos en labora!orio< 'asa del Erlenmeyer I !a&n 117%,2 g%< #ensidad del agua 0%//H87 g.ml% #a!o de !ablas< 'asa molecular del aire 28%/8 g.mol< resi&n de labora!orio H,7%7 mm;g

C;.c$.o* $#m!co* Elaborar un gr5ico de la masa !o!al del sis!ema> m!o!al*s 1.3 1.

Ma*a "B5= 10

3

TB

117%HH2 7%4014117%H24 7%22117%H 7%184H117%21 7%084

117%1 2%/4/8117%4/1 2%872H

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H

0 0 0 0 0 0 0 0113.64

113.64

113.65

113.65

113.66

113.66

113.67

113.67

113.68

113.68

f(x) = 45.76x + 113.52

Masa total vs ^( )/T

O7*er:ac!one*

Conc.$*!one*K

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