
Estequiometría
Authored by Flor Rey
Chemistry
University
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16 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Qué es la estequiometria?
Es la medición de las cantidades relativas de los reactivos y productos en una reacción química
Es la unidad fundamental de una sustancia
Es una unidad manejable
Es el resultado total de la suma de las masas atómicas
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
La estequiometria relaciona
cantidad de masas involucradas en reacciones
la energia que se consume en una reaccion
no relaciona masas
3.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
La cantidad de átomos de cada especie en los reactivos debe ser igual a la cantidad de átomos de cada especie en los productos.
FALSO
VERDADERO
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cantidad de materia que contiene 6.022 X 1023 unidades elementales ya sean átomos, moléculas, iones o partículas.
Mol
Masa
Estequimetria
Masa molar
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
¿Cuántas moléculas hay en 18 g de agua?
6,023 x 10-12
6,023 x 10-23
3,011 x 10-23
6,023 x 1023
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Un mol de agua contiene
6.023 x 1023 átomos de hidrógeno
6.023 x 1023 moléculas de agua
6.023 x 1023 átomos de agua
una molécula de agua
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿ Cuál es la masa molar del oxigeno gaseoso ?
20 gramos
30 gramos
12 gramos
32 gramos
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