
Conservación de la materia
Quiz
•
Chemistry, Science
•
9th Grade
•
Hard
Standards-aligned
Fredy Vera
Used 18+ times
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38 questions
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1.
MULTIPLE SELECT QUESTION
10 mins • 1 pt
Quien explico la ley de la conservación de la masa
Antonie Lavoisier
Proust
Dalton
Kleper
2.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
PARA COMPROBAR LA LEY DE LAVOISIER ES NECESARIO ANTES HACER EL CALCULO DE:
conocer la masa atómica de los elementos
balancear la reacción química
conocer la masa molar de los compuestos
conocer la formula de los compuestos
3.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
Los coeficientes que balancean la siguiente ecuación química son:
P2O5 + __H2O ---> ___H3PO4
6 y 3
3 y 2
2 y 3
9 y 6
4.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
En todas las reacciones químicas debe de existir un balance o equilibrio, ¿de acuerdo a que ley se afirma?
Ley de la inercia
Ley de la conservación de la materia
Ley de la acción y la reacción
Ley de la gravitación universal
5.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
El coeficiente estequiometrico que balancea la siguiente ecuacion es:
TiCl4 + 2H2O ==> TiO2 + ____HCl
2
3
4
6
6.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
La ecuación balanceada correcta para la siguiente ecuación es:
Li + N2 ==> Li3N
6Li + N2 ==> 2Li3N
Li3 + N2 ==> Li3N2
12Li + 2N2 ==> 5Li3N
3Li + N2 ==> Li3N
7.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
En una reacción química, a las sustancias iniciales se las llama...
Reactivos
Productos
Sustancias
Agentes
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