Balance de ecuaciones
Quiz
•
Chemistry
•
9th Grade
•
Hard
Standards-aligned

Dario Gaspar
Used 58+ times
FREE Resource
8 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
2Mg + O2-------> 2MgO ¿Cuáles son los elementos que intervienen en la reacción?
Manganeso y oxigeno
Óxido de magnesio
Magnesio y oxigeno
Ninguno de los anteriores
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
¿Está balanceada la siguiente ecuación?
Sí
No
No lo sé
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Los dos espacios vacíos que balancean la ecuación son rellenados con los coeficientes estequiometricos
C7H8O2 + ___O2 ==> 7CO2 + ___H2O
8 y 4
4 y 8
2 y 3
6 y 4
Tags
NGSS.HS-PS1-7
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
La ecuación balanceada correcta para la siguiente ecuación es:
Li + N2 ==> Li3N
6Li + N2 ==> 2Li3N
12Li + 2N2 ==> 5Li3N
Li3 + N2 ==> Li3N2
3Li + N2 ==> Li3N
Tags
NGSS.HS-PS1-7
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
El coeficiente estequiometrico que balancea la siguiente ecuacion es
TiCl4 + 2H2O ==> TiO2 + ____HCl
2
4
3
6
Tags
NGSS.HS-PS1-7
6.
MULTIPLE SELECT QUESTION
1 min • 1 pt
Los coeficientes que balancean la siguiente ecuación química son:
P2O5 + __H2O ---> ___H3PO4
6 y 3
2 y 2
3 y 2
9 y 6
Tags
NGSS.HS-PS1-7
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Los coeficientes que balancean la ecuación:
_NH3 + _O2 = _NO2 + _H2O
4, 7, 4 y 6
2,3, 8 y 4
3, 6, 9 y 8
5, 3, 4 y 2
8.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
¿El coeficiente estequiométrico que balancea la siguiente ecuación es? (el que se ubicaría en la línea).
CH4 +___ Cl2 ==> CCl4 + 4HCl
2
4
8
6
Tags
NGSS.HS-PS1-7
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