Mensual 1 2do. Tri Química 2021

Mensual 1 2do. Tri Química 2021

1st Grade

10 Qs

quiz-placeholder

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Mensual 1 2do. Tri Química 2021

Mensual 1 2do. Tri Química 2021

Assessment

Quiz

Chemistry

1st Grade

Hard

Created by

Jesus Piñate

Used 1+ times

FREE Resource

10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

De acuerdo a la siguiente ecuacion quimica:  3A +4B  5C +2D3A\ +4B\ \rightarrow\ 5C\ +2D  establezca de manera correcta la ecuación de la constante de equilibrio:

 Ke=C5 D2A3 B4Ke=\frac{\lceil C\rceil^5\ \lceil D\rceil^2}{\lceil A\rceil^3\ \lceil B\rceil^4}  

 Ke=C4 D4A5 B3Ke=\frac{\lceil C\rceil^4\ \lceil D\rceil^4}{\lceil A\rceil^5\ \lceil B\rceil^3}  

 Ke=C2 D5A4 B3Ke=\frac{\lceil C\rceil^2\ \lceil D\rceil^5}{\lceil A\rceil^4\ \lceil B\rceil^3}  

 Ke=C5 D1A3 B3Ke=\frac{\lceil C\rceil^5\ \lceil D\rceil^1}{\lceil A\rceil^3\ \lceil B\rceil^3}  

2.

FILL IN THE BLANK QUESTION

5 mins • 1 pt

¿Cuál es la Kc para la reacción en equilibrio siguiente a 1000oC si [CO] = 0.50 M, [H2] = 0.30 M, [CH4] = 1.8 M y [H2O] = 2.0 M

CO(g) + 3H2(g) ↔ CH4(g) + H2O(g)

3.

FILL IN THE BLANK QUESTION

5 mins • 1 pt

1- ¿Cuál es la Kc para la reacción en equilibrio siguiente a 750oC si [CO] = 0.20 M y [CO2] = 0.052 M

FeO(s) + CO(g) ↔ Fe(s) + CO2(g)

4.

FILL IN THE BLANK QUESTION

3 mins • 1 pt

Calcular el pH de una solución de [OH-] = 1 X 10-6 M

5.

FILL IN THE BLANK QUESTION

3 mins • 1 pt

Calcular el pOH de una solución de [H+] = 1 X 10-3 M

6.

FILL IN THE BLANK QUESTION

5 mins • 1 pt

Calcular la [OH-] si el pH es 9

7.

FILL IN THE BLANK QUESTION

5 mins • 1 pt

Calcular la [H+] si el pOH es 9.38

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