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EXAMEN PARCIAL - TALENTOS

Authored by Alejandro Garcia

Chemistry

University

Used 2+ times

EXAMEN PARCIAL - TALENTOS
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5 questions

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1.

MULTIPLE CHOICE QUESTION

10 mins • 1 pt

¿Cual sera el volumen en litros a condiciones normales que ocupa todo el cloro (Cl2) existente en 710 gr de dicho gas? mA(Cl) = 35.5

10 lt

24 lt

224 lt

14.3 lt

112 lt

2.

MULTIPLE CHOICE QUESTION

10 mins • 1 pt

Halle el volumen de agua que debe agregarse a 20 ml de alcohol para formar una solución al 20 % de volumen

80 ml

90 ml

100 ml

70 ml

60 ml

3.

MULTIPLE CHOICE QUESTION

10 mins • 1 pt

Hallar la molaridad y normalidad de una solución de 2000 ml de volumen, que contiene 490 gr de acido sulfurico (S=32uma)

5 molar , 5 normal

2.5 molar , 2.5 normal

5 molar , 2.5 normal

2.5 molar , 5 normal

1.5 molar , 5 normal

4.

MULTIPLE CHOICE QUESTION

10 mins • 1 pt

Al + H2SO4 -----> Al2(SO4)3 + H2

Combustion

Descomposición

Adición

S.Simple

S.Doble

5.

MULTIPLE CHOICE QUESTION

10 mins • 1 pt

¿Que volumen ocupan 2 moles de metano (CH4) a 27°C y 4.1 atm?

10 lt

11 lt

12 lt

13 lt

14 lt

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