
Reactiu limitant (química en context)
Quiz
•
Chemistry
•
10th Grade
•
Practice Problem
•
Medium
ITZIAR MAESTRE
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8 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • Ungraded
En aquesta activitat treballarem amb la reacció
2NH3 + CO2 --> (NH2)2CO + H2O
Escriviu-la en un full per poder-la tenir a ma.
Esteu preparats?
Si
No
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
El reactiu limitant és aquell que:
en sobra quan s'atura la reacció
forma part de la reacció
un cop s'atura la reacció, s'atura tot
un cop ha reaccionat tot, s'atura la reacció
3.
MULTIPLE SELECT QUESTION
2 mins • 1 pt
Si inicialment tenim 10g de NH3 i 20 g de CO2, quina és la quantitat inicial de NH3, expressada en mols?
0,10
0.59
0,20
0,23
4.
MULTIPLE SELECT QUESTION
2 mins • 1 pt
Si inicialment tenim 10g de NH3 i 20 g de CO2, quina és la quantitat inicial de CO2, expressada en mols?
0,10
0.59
0,45
0,23
5.
MULTIPLE CHOICE QUESTION
2 mins • Ungraded
Quants mols quedaran sense reaccionar un cop acabi la reacció?
0,15 mols NH3
0,30 mols CO2
0,15 mols CO2
0,30 mols NH3
6.
MULTIPLE SELECT QUESTION
2 mins • 1 pt
Quina és la massa de CO2 que queda sense reaccionar?
44,0 g
0,36 g
6,6 g
15,3 g
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Quina és la quantitat de (NH2)2CO, expressada en massa, que es forma a la reacció?
4,1 g
12,2 g
5,3 g
17,7 g
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