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quimica 2021

Authored by Marina C

Chemistry

5th Grade

Used 4+ times

quimica 2021
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5 questions

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1.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

A CUANTOS MOLES EQUIVALE 3.8X1023 MOLECULAS DE OXIGENO

34X1023 MOL DE OXIGENO

22.88X1023MOL DE OXIGENO

45X1023MOL DE OXIGENO

2.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

¿Cual es el peso en gramos de 12 litros de gas cloro?

2.06

6.0972x10

ninguno

3.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

 (Ca O)\left(Ca\ O\right)  ¿Cuantos gramos de oxido de calcio hay en 5 mol de este compuesto?

280gr (Ca O)

344 (Ca O)

Ninguno

4.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

El numero de avogadro representa el numero de atomos que contiene un elemento acido:

FALSO

VERDADERO

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Es el volumen ocupado por un mol de cualquier gas, que equivale en litros  6.023x10236.023x10^{23}  

FALSO 

VERDADERO

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