Banceo de ecuaciones químicas grupo 1
Quiz
•
Chemistry
•
10th - 12th Grade
•
Practice Problem
•
Hard
Vivi Caiza
Used 12+ times
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15 questions
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1.
MULTIPLE SELECT QUESTION
2 mins • 1 pt
¿Qué se debe hacer para balancear la siguiente ecuación?
N2 + H2 --> NH3
Doblar el coeficiente de N2 (2 N2)
Multiplicar el coeficiente de H2 por 3 ; (3 H2)
Doblar el coeficiente de NH3 ; (2 NH3)
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Después de balancear la siguiente ecuación, ¿Cuál es el coeficiente del oxígeno?
CO2 + H2O -> C2H2 + O2
2
3
5
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
La ecuación balanceada correcta para la siguiente ecuación es:
Li + N2 ==> Li3N
6Li + N2 ==> 2Li3N
12Li + 2N2 ==> 5Li3N
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
El coeficiente estequiometrico que balancea la siguiente ecuacion es
CH4 +___ Cl2 ==> CCl4 + 4HCl
2
4
6
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
El coeficientes estequiometrico que balancea la ecuación
K2O + H2O ==> ___ KOH
1
2
3
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
la Ley de la conservación de la materia o de la masa, fue propuesta por Antoine Lavoissier, y en ella se afirma que:
La materia se crea a partir de otra preexistente.
La materia no se crea, ni se destruye, solo se transforma.
La materia se conserva igual en una reacción química.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cuando un elemento aumenta su numero de oxidación
se oxida
se reduce
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