Unidad 1 Química 4to

Quiz
•
Chemistry
•
10th Grade
•
Hard
Jesus Yanes
Used 7+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Es un proceso en el cual una o más sustancias cambian para formar uno o más componentes distintos:
Reacción química
Reacción física
Función química
Ecuación química
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
La reacción en donde se debe entregar energía para que esta se produzca es:
Reacción exotérmica
Reacción endotérmica
Complejo activado
Entalpía
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Marque la reacción de descomposición (los números son subíndices):
H2 + O2 - - > H2O
CaCO3 - - > CaO + CO2
Fe + HCl - - > FeCl3 + H2
NaOH + HCl - - > NaCl + H2O
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
La reacción
KBr + AgNO3 - - > KNO3 + AgBr
(los números son subíndices) es de tipo:
Combinación
Sustitución
Neutralización
Doble sustitución
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Si el calor de reacción es 30 kcal/mol, hallar la energía de activación
70 kcal
30 kcal
60 kcal
65 kcal
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Hallar la entalpía de reacción
35 kcal
20 kcal
-20 kcal
-35 kcal
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Si la energía de activación es 10 kcal, hallar el calor de reacción
-30 kcal
25 kcal
-10 kcal
55 kcal
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