Rxn y Método del tanteo

Quiz
•
Chemistry
•
1st - 12th Grade
•
Medium
Standards-aligned
Berenisse Figueroa
Used 24+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Una reacción química es:
La unión de 2 o más reactivos para formar productos.
La unión de 2 o más productos para formar reactivos.
El estudio de la energía.
Todas las anteriores.
2.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
CH4 + O2 → CO2 + H2O
LA ECUACIÓN SE ENCUENTRA BALANCEADA.
Verdadero
Falso
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
El orden a seguir para balancear ecuaciones por método del tanteo es:
Metal, no metal, H, O
No metal, metal, H, O
H, O, metal, no metal
Ninguna es correcta.
4.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Los coeficientes que balancean la siguiente ecuación son: 1,3, 2
Verdadero
Falso
5.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
En la ecuación química anterior: cuántos átomos de sodio hay del lado izquierdo?
6
12
4
1
Ninguno.
6.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
El coeficiente estequiométrico del Cloro es
2
4
8
1
7.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Los dos espacios vacíos que balancean la ecuación son rellenados con los coeficientes estequiometricos
PbCO3 ==>___ PbO + ___CO2
1-1
1-2
2-1
2-3
Tags
NGSS.HS-PS1-7
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