
Ejercicios de Balanceo
Authored by Andres Manrique
Science
University
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14 questions
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1.
MULTIPLE CHOICE QUESTION
3 mins • 3 pts
Balancee la siguiente ecuación:
P2O5 + H2O → H3PO4
P2O5 + 4 H2O → H3PO4
P2O5 + 5 H2O → 2H3PO4
P2O5 + 3 H2O → 2H3PO4
P2O5 + 2 H2O → 2H3PO4
2.
MULTIPLE CHOICE QUESTION
3 mins • 3 pts
Balancear
NaNO3 + KCl → NaCl + KNO3
NaNO3 + 2KCl → 2NaCl + 2KNO3
KCl + 3NaNO3 → 2NaNO3 + NaCl
NaCl + KNO3 → NaNO3 + KCl
2NaNO3 + 2KCl → 2NaCl + 2KNO3
3.
MULTIPLE CHOICE QUESTION
3 mins • 3 pts
Balancee...
KClO3 → KCl + O2
2 KClO3 → 2 KCl + 3 O2
2 KClO3 → 2 KCl + O3
KClO3 → 3 KCl + O2
2 KClO3 → KCl + O2
4.
MULTIPLE CHOICE QUESTION
3 mins • 3 pts
Balancear...
H2S + HNO3 → H2SO4 + NO + H2O
2 H2S + 4 HNO3 → 2H2SO4 + 4 NO + 2 H2O
3 H2S + 8 HNO3 → 3H2SO4 + 8 NO + 4 H2O
H2S + 3 HNO3 → H2SO4 + 3 NO + H2O
H2S + 8 HNO3 → H2SO4 + 8 NO + H2O
5.
MULTIPLE CHOICE QUESTION
3 mins • 5 pts
Hallar los valores para cada uno de los coeficientes:
a Ba(OH)2 + b P4O10 → c Ba3(PO4)2 + d H2O
a=6, b=1, c=2, d=6
6.
MULTIPLE CHOICE QUESTION
3 mins • 3 pts
La forma correcta de la siguiente expresión de manera balanceada es:
Cu + HNO3 → Cu(NO3)2 + H2O + NO2
3Cu + 4HNO3 → 3Cu(NO3)2 + 2H2O + NO2
Cu + 4 HNO3 → Cu(NO3)2 + 2 H2O + 2NO2
2Cu + 6HNO3 → 2Cu(NO3)2 + 32O + 4NO2
Cu + 2HNO3 → 2Cu(NO3)2 + H2O + 3NO2
7.
MULTIPLE CHOICE QUESTION
3 mins • 5 pts
Determinar cual elemento es el agente oxidante y el agente reductor de la siguiente formula:
KMnO4 + HCl → MnCl2 + Cl2 + KCl + H2O
Agente oxidante: Mn Agente reductor: O
Agente oxidante: K Agente reductor: Cl
Agente oxidante: Mn; Agente reductor: Cl
Agente oxidante: Cl Agente reductor: Mn
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