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E.aen parcial - seana Comenzado el Estado Finalizado en Tiempo empleado Puntos Califi Calificaci cación ón
lunes ,0 e a3o e 2016 124,0 'inali5ao lunes ,0 e a3o e 2016 1,416 6 inutos , segunos 10/200 90,0 e 1000
Pr!u"#$ 1 Cor r ec t a Pu nt ú a1 , 0s o br e1 , 0 Ma r c a rp r e gu nt a
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Enunciado de la pregunta Cual esel r e ndi mi en t ot eór i c odel c r omo,quep uedepr od uc i r s eapar t i rdel ar eac c i ónde40. 0gde Cr O3y8 . 0 0gdeAl . 2 2Al +Cr O3 2
→→
Al 2Cr 2O 3+
Se l e c c i o neun a: a.7.7 g b.15.4 g c .27.3 g d.30.8 g e.49.9 g
Retroalimentación Re sp ue s t ac or r e ct a Lar es pues t ac or r e ct aes :15.4 g Pr!u"#$ 2 Cor r ec t a Pu nt ú a1 , 0s o br e1 , 0 Ma r c a rp r e gu nt a
Enunciado de la pregunta
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Deac u er d oas i g ui e nt eg r a fi c as epu ed ed ec i rq ue :
Se l e c c i o neun a: a .c o nf o r mel at emp er a t u r aa umen t a ,l ap r e si ó nd i s mi mi n uy e b.c onf o r mel apr es i óndi s mi mi nuy e ,el v ol umendi s mi mi nu y e c .c on f o r mel at e mpe mp r a t u r ad i s mi mi n uy e ,l o smo l e sd i s mi mi n uy e n d.c onf o r mel apr es i óndi s mi mi nuy e ,l at emper at u r adi s mi mi nuy e
Retroalimentación Re sp ue s t ac or r e ct a Lar es pues t ac or r e ct aes :c onf or mel apr es i ó ndi s mi mi n uy e,l at emp er at u r adi s mi mi nuy e Pr!u"#$ 3 Cor r ec t a Pu nt ú a1 , 0s o br e1 , 0 Ma r c a rp r e gu nt a
Enunciado de la pregunta
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a .5 7. 1 2g
b .1 2g c .1 62 g d.0 . 396g e .1 80 g
Retroalimentación Re sp ue s t ac or r e ct a Lar es pues t ac or r e ct aes :57. 12g Pr!u"#$ % Cor r ec t a Pu nt ú a1 , 0s o br e1 , 0 Ma r c a rp r e gu nt a
Enunciado de la pregunta Cuantos gramos de Cl 2 se pueden obtener a partir de la reacción de 1.0 g de !n" 2# 30.0 g $Cl de acuerdo con la siguiente reacción %u&mica
!n"2' 4$Cl Se l e c c i o neun a: a.0.82 g b.5.8 g c .13.0 g
(
→
!nCl2'Cl2' 2$2"
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e.58.4 g
Retroalimentación Re sp ue s t ac or r e ct a Lar es pues t ac or r e ct aes :13.0 g Pr!u"#$ & Cor r ec t a Pu nt ú a1 , 0s o br e1 , 0 Ma r c a rp r e gu nt a
Enunciado de la pregunta Cuáleselvol ume mende0. 25mol esdegasamoní aco( NH3)a1. 00at m y273K? Se l e c c i o neun a: a.0. 33L b.5. 6L
c .95. 0L d .1 53 0L
Retroalimentación Re sp ue s t ac or r e ct a Lar es pues t acor r ec t aes :5. 6L Pr!u"#$ 6 Cor r ec t a Pu nt ú a1 , 0s o br e1 , 0
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Ma r c a rp r e gu nt a
Enunciado de la pregunta 18.El o xi dod el mer c ur i o( I I ) ,e sunc ompues t odec ol orr oj oqueaal t a st emper at ur ass e d es c o mp mp on ep ar af o r ma rme r c u r i ome me t a l i c oyox i g en og as e os o . 2HgO( s) → 2Hg( l ) + O2 ( g) Si 3. 55mo mol esdeHgO sedescomp mponenpar af or mar1. 54mo mol esdeO 2 y618gdeHg.Cuales el r en di mi e nt odees t ar eac c i ón ,e x pr es adoc omopor c ent aj e . Se l e c c i o neun a: a.13. 2% b.42. 5% c .56. 6% d.86. 8%
Retroalimentación Re sp ue s t ac or r e ct a Lar es pues t ac or r e ct aes :86. 8% Pr!u"#$ ' Cor r ec t a Pu nt ú a1 , 0s o br e1 , 0 Ma r c a rp r e gu nt a
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4)$3 ' 5"2
→
(
4)" ' $2"
Cu ál e sel r en di mi e nt ot eó r i c odeag ua,e nmo l e s,c u an do40 . 0gNH 3 y5 0 . 0gd eO2 s eme me z c l a ny s edej anr eac c i onar ?
Se l e c c i o neun a: a.1.30 mol b.1.57 mol c .1.87 mol d.3.53 mol e.2.87 mol
Retroalimentación Re sp ue s t ac or r e ct a Lar es pues t ac or r e ct aes :1.87 mol Pr!u"#$ ( Cor r ec t a Pu nt ú a1 , 0s o br e1 , 0 Ma r c a rp r e gu nt a
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Se l e c c i o neun a: a .4 . 0 5mo mo l b .4 . 7 2mo mo l c .8 . 0 99mo l
d .9 . 4 3mo mo l
Retroalimentación Re sp ue s t ac or r e ct a L ar e sp ue s t ac or r e c t aes :8 . 0 99mo mo l Pr!u"#$ ) I nc or r ec t a Pu nt ú a0 , 0s o br e1 , 0 Ma r c a rp r e gu nt a
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Se l e c c i o neun a: a.350kPa
b .6 20k Pa c .4 80k Pa d.1200kPa
Retroalimentación Res pue st ai n cor r e ct a. L ar e sp ue s t ac o r r e c t ae s:4 80k Pa Pr!u"#$ 10 Cor r ec t a
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Si s eu s an10 0 . 0gd eKCl O3 yenr e al i d ads ep r o du c en1 2. 8gdeO2,el r endi mi ent odel a r e ac c i ó ne sde :
Se l e c c i o neun a: a.12. 8% b.32. 7%
c .65. 6% d.98. 0%
Retroalimentación Re sp ue s t ac or r e ct a Lar es pues t ac or r e ct aes :32. 7% Pr!u"#$ 11 Cor r ec t a Pu nt ú a1 , 0s o br e1 , 0 Ma r c a rp r e gu nt a
Enunciado de la pregunta
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Lar es pues t ac or r e ct aes :18, 47 Pr!u"#$ 12 Cor r ec t a Pu nt ú a1 , 0s o br e1 , 0 Ma r c a rp r e gu nt a
Enunciado de la pregunta Qu ev o l u me me no c up ar á n1 00mL mLdeag ual i q ui d a( d en s i d ad =1 . 0g/ mL ) s i s ec on v i e r t e ne nv a po r ys eal macenana25º Cy1at m? Se l e c c i o neun a: a.1 13 . 8L b.5. 55L c .135.7L
d.1 1. 38L e.0. 1L
Retroalimentación Lar es pues t ac or r e ct aes :135.7L
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Cuánt osgr amo mosdeMnO2 d el 6 0% d ep ur e z as ene c es i t a r o np ar apr o du c i r1 00gd eCl2 MnO2 +4 HCl →MnCl l H2O 2 +C 2 +2 Se l e c c i o neun a: a.3 6. 74g b.1. 48g c .61. 24g d.0 . 704g e .1 02 . 0 8g
Retroalimentación Re sp ue s t ac or r e ct a Lar es pues t acor r e ct aes :102. 0 8g Pr!u"#$ 1% Cor r ec t a P
ú a 0s o b
0
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e.3.55 ,
Retroalimentación Re sp ue s t ac or r e ct a Lar es pues t ac or r e ct aes :3.55 , Pr!u"#$ 1& Cor r ec t a Pu nt ú a1 , 0s o br e1 , 0 Ma r c a rp r e gu nt a
Enunciado de la pregunta
-na muestra de gas de 5.0 mol a 1.0 atm se epande a temperatura constante de 10 , a 15 ,.Cual es la presión /nal en atmoseras.
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Ma r c a rp r e gu nt a
Enunciado de la pregunta Ca l c ul el ad en si d add el CO2 a2 7° C y0 . 5 0a t mo s f e r a sd ep r e s i ó n. Se l e c c i o neun a: a.0. 89g/ L
b.1. 12g/ L c .9. 93g/ L d.46. 0g/ L e.2. 17k g/ L
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a.0. 40at m b.0. 50at m c .2. 0at m
d.2. 5at m e.0. 25at m
Retroalimentación Re sp ue s t ac or r e ct a Lar es pues t ac or r ec t aes :2. 0at m Pr!u"#$ 1( Cor r ec t a Pu nt ú a1 , 0s o br e1 , 0 Ma r c a rp r e gu nt a
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Retroalimentación Re sp ue s t ac or r e ct a Lar es pues t ac or r e ct aes :3.7 Pr!u"#$ 1) Cor r ec t a Pu nt ú a1 , 0s o br e1 , 0 Ma r c a rp r e gu nt a
Enunciado de la pregunta Ela mo mo ni a c or e ac c i o na c o no x i g e no d i a t o mi mi c op ar af o r ma ro x i d on i t r o s o yv a p ord ea g ua ,d e a cu er d oc onl as i g ui e nt er e ac c i ó n.Sir e ac c i o na n4 0. 0gd eNH 3 y5 0 . 0gd eO2,c ualeselr eac t i v o l i mi t e?
4)$3' 5"2
(
→
4)" ' $2"
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Ma r c a rp r e gu nt a
Enunciado de la pregunta Cu an t o sg r a mo mo sd eh i d r ó x i d odes o di o( Na OH)s OH ep ue de np r e pa r a rc o n20 0gd eNade l 80%? 2 Na ( s )+2H2O( l )→ 2NaOH( aq)+H2( g)