
SOLUCIONES-CINÉTICA-EQUILIBRIO
Authored by ADOLFO TERRONES
Chemistry
4th Grade
Used 6+ times

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5 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Se disuelven 50 g de sal en 150 g de agua. Determine el porcentaje en masa de la solución.
50%
33,3%
25%
15%
2.
FILL IN THE BLANK QUESTION
45 sec • 1 pt
Determine la normalidad de una solución de ácido sulfúrico H2SO4 6M.
3.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Del siguiente enunciado, precise si es VERDADERO o FALSO.
Los inhibidores son catalizadores negativos que retardan la velocidad de reacción y aumentan la energía de activación:
VERDADERO
FALSO
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A una temperatura de 16 ºC cierta reacción se desarrolla a una velocidad de 2,5 mol/L min. ¿Con qué velocidad se desarrolla la misma reacción a 36 ºC?
2,5
5
7,5
10
5.
FILL IN THE BLANK QUESTION
1 min • 1 pt
En el equilibrio del siguiente sistema: A + 2B = C . Las concentraciones [A] = 0,6M; [B] = 0,5M y [C] = 0,3M. Determine la constante de equilibrio Kc (escriba solo el valor numérico)
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