Un método para preparar hidrógeno en el laboratorio consiste en hacer reaccionar algunas sustancias ya sean ácidos sobre metales, cuántos moles de zinc son necesarios para obtener 5,4 gr de hidrógeno. Se esperaría que el cálculo que presenta este planteamiento sea:
Dècima 11

Quiz
•
Chemistry
•
3rd Grade
•
Hard

MARLEYSI LLOREDA
Used 10+ times
FREE Resource
7 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
mol - masa
masa - masa
masa - mol
volumen - mol
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
N2 + H2 → NH36,59 X10-3 45ºC
La Ke favorece a
los productos
los reactivos
a reactivos y productos
a la reacciòn quìmica
3.
FILL IN THE BLANK QUESTION
1 min • 1 pt
La energìa necesaria para que sea posible una reacciòn se denomina _________ __ ____________
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
El nombre de este alcano serìa:
4-isopropil-1,5-dimetilheptano
3- propil-2,5-dimetilheptano
3-isopropil-2,5-dimetilheptano
3-isopropil-3,5-dimetilheptano
5.
FILL IN THE BLANK QUESTION
1 min • 1 pt
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
El triacosano se consigue en:
Salchicha
Sacha inchi
Pacha mama
Sacha anca
7.
FILL IN THE BLANK QUESTION
1 min • 1 pt
La masa molecular del propano es
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