Balanceo Ecuaciones Lvl:1
Authored by Jonathan Hernandez
Mathematics
Professional Development
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14 questions
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1.
FILL IN THE BLANKS QUESTION
1 min • 1 pt
Cr+O₂ -> Cr₂O₃
Formula para Cr
(a)
2.
FILL IN THE BLANKS QUESTION
1 min • 1 pt
Cr+O₂ -> Cr₂O₃
Formula para O
(a)
3.
FILL IN THE BLANKS QUESTION
1 min • 1 pt
Cr+O₂ -> Cr₂O₃
A=2C
2B=3C
Si A=2 de la primera ecuación obtenemos que C vale (a)
4.
FILL IN THE BLANKS QUESTION
1 min • 1 pt
Cr+O₂ -> Cr₂O₃
A=2C
2B=3C
C=1
De la segunda ecuación obtenemos que B vale (a)
5.
FILL IN THE BLANKS QUESTION
1 min • 1 pt
Cr+O₂ -> Cr₂O₃
A=2C
2B=3C
A=2 B=3/2 C=1
Para eliminar la fracción multiplicamos todo por...
(a)
6.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Cr+O₂ -> Cr₂O₃
A=2C
2B=3C
A=2 B=3/2 C=1
Al multiplicar todo por 2 Los valores de A,B y C son:
4
3
2
6
5
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Agregando los coeficientes en (Cr+O₂ -> Cr₂O₃) obtenemos
4Cr+3O₂ -> 2Cr₂O₃
3Cr+4O₂ -> 2Cr₂O₃
2Cr+4O₂ -> 3Cr₂O₃
4Cr+2O₂ -> 3Cr₂O₃
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