estequiometria
Quiz
•
Chemistry
•
University
•
Practice Problem
•
Hard
José Torre
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15 questions
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1.
MULTIPLE SELECT QUESTION
5 mins • 1 pt
De acuerdo a la siguiente imagen:
El Reactivo Limitante es Cl y el reactivo en exceso es el Na
El Reactivo Limitante es Na y el reactivo en exceso es el Cl
No hay reactivo limitante
Ambos reactivos están en exceso
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
La estequiometria relaciona
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
¿Cuántos gramos de NH3 se forman, si se hacen reaccionar 100 g de Mg3N2 con 72 g de H2O?
(Masas molares NH3 = 17 g/mol , Mg3N2 = 100.09 g/mol,
H2O = 18 g /mol )
Mg3N2 + 6H2O --> 3Mg(OH)2 + 2NH3
22.6 g
34.6 g
175.6 g
165.6 g
4.
MULTIPLE SELECT QUESTION
5 mins • 1 pt
El rendimiento de una reacción se refiere al:
Reactivo de reacción
Coeficiente de reacción
Producto de Reacción
A toda la reacción
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Determina los coeficientes estequiométricos para que la reacción química esté igualada.
a C3H8 + b O2 → c CO2 + d H2O
a=1 , b=5 , c=3 , d=4
a=1 , b=4 , c=3 , d=4
a=1 , b=5 , c=3 , d=3
a=2 , b=5 , c=3 , d=4
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Si tenemos en cuenta que las masas moleculares del K= 39g/mol, Mn= 55g/mol y el O= 16g/mol, ¿cuál es la masa molecular del permanganato de potasio (KMnO4)?
15.8g/mol
158g
158g/mol
158 mol
7.
MULTIPLE SELECT QUESTION
5 mins • 1 pt
La cantidad de átomos de cada especie en los reactantes debe ser igual a la cantidad de átomos de cada especie en los productos.
FALSO
VERDADERO
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