Evaluacion OA_20 1B

Quiz
•
Chemistry
•
9th Grade
•
Medium
OLGA CORTES
Used 6+ times
FREE Resource
7 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
¿Qué es una ecuación química?
Reordenamiento atomico
Transformacion de materia
Representa una reacción química
Cambio Quimico
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
¿Cómo se llama las sustancias iniciales para que ocurra una reacción química?
Productos
Reactantes o Reactivos
Coeficientes estequiométricos
Simbolos y signos
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
En la siguiente ecuación química ¿ Cuantos moles de H2O ?
1 mol
2 mol
3 mol
6 mol
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
¿Cuántas moléculas de CO2 hay en la ecuación química?
2 x 6,02 x 10 23
13 x 6,02 x 10 23
8 x 6,02 x 10 23
10 x 6,02 x 1023
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
¿Cuál es la masa molar de 10 moléculas de H2O ?
116 g
416 g
352 g
180 g
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
¿Cuanto equivale el numero de Avogadro?
6.02 x1023
6 x1023
6.2 x1023
6.002 x1023
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
¿Cuántos átomos de Carbono (C) hay en la reacción química? ?
2 átomos de C
8 átomos de C
10 átomos de C
13 átomos de C
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