
Equilibrio y Cálculos Químicos

Quiz
•
Chemistry
•
12th Grade
•
Hard
Ignacio (RA-SFF)
Used 1+ times
FREE Resource
38 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cuántos moles hay en 10 gramos de agua (H2O)?
0.25 moles
0.555 moles
1.0 moles
2.0 moles
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Calcula la masa molar del cloruro de sodio (NaCl).
58.44 g/mol
35.45 g/mol
74.55 g/mol
58.00 g/mol
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Balancea la siguiente ecuación: C3H8 + O2 → CO2 + H2O.
C3H8 + 4 O2 → 2 CO2 + 5 H2O
C3H8 + 5 O2 → 3 CO2 + 4 H2O
C3H8 + 6 O2 → 4 CO2 + 2 H2O
C3H8 + 3 O2 → 2 CO2 + 3 H2O
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Convierte 50 gramos de dióxido de carbono (CO2) a moles.
2.5 moles
3.2 moles
1.136 moles
0.5 moles
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Qué establece la ley de conservación de masa?
La masa se puede crear en reacciones químicas.
La masa total se conserva en reacciones químicas.
La masa total aumenta en reacciones químicas.
La masa se destruye en reacciones químicas.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Si tienes 2 moles de oxígeno (O2), ¿cuántos gramos son?
48 gramos
64 gramos
80 gramos
32 gramos
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Balancea la ecuación: Fe + O2 → Fe2O3.
2Fe + O2 → Fe2O3
4Fe + 2O2 → Fe2O3
3Fe + O2 → Fe2O3
4Fe + 3O2 → 2Fe2O3
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