

Reactiu limitant (química en context)
Presentation
•
Chemistry
•
10th - 11th Grade
•
Medium
ITZIAR MAESTRE
Used 16+ times
FREE Resource
2 Slides • 7 Questions
1
Reactiu limitant (Química en context)

2
Multiple Select
El reactiu limitant és aquell reactiu que:
en sobra quan s'atura la reacció.
un cop s'atura reacció, reacciona tot.
forma part de la reacció.
un cop ha reaccionat tot, s'atura la reacció
3
Ara treballarem amb la reacció
2NH3 + CO2 --> (NH2)2CO + H2O
Escriviu-la en un full per poder-la tenir a ma
4
Poll
Si inicialment tenim 10 g de NH3 i 20 g de CO2. Quina és la quantitat inicial de NH3, expressada en mols?
0,10
0,20
0,59
0,23
5
Poll
Si inicialment tenim 10 g de NH3 i 20 g de CO2. Quina és la quantitat inicial de CO2, expressada en mols?
0,10
0,20
0,59
0,45
6
Multiple Choice
Quants mols quedaran sense reacionar un cop hagi finalitzat la reacció?
0,13 mols NH3
0,46 mols de CO2
0,30 mols CO2
0,23 mols CO2
0,59 mols NH3
7
Multiple Select
Quina és la quantitat de CO2 que no ha reaccionat?
44 g
13 g
0,3 g
15,3 g
8
Multiple Choice
Quina és la quantitat de (NH2)2CO, expressada en massa, que es forma a la reacció?
4,1
0,2
12,2
25,2
9
Multiple Choice
Quina és la quantitat d'aigua, expressada en grams, que es forma a la reacció?
8,1
0,2
25,2
12,2
Reactiu limitant (Química en context)

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