Equilibrio y Cálculos Químicos

Equilibrio y Cálculos Químicos

12th Grade

38 Qs

quiz-placeholder

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Equilibrio y Cálculos Químicos

Equilibrio y Cálculos Químicos

Assessment

Quiz

Chemistry

12th Grade

Hard

Created by

Ignacio (RA-SFF)

Used 1+ times

FREE Resource

38 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

¿Cuántos moles hay en 10 gramos de agua (H2O)?

0.25 moles

0.555 moles

1.0 moles

2.0 moles

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Calcula la masa molar del cloruro de sodio (NaCl).

58.44 g/mol

35.45 g/mol

74.55 g/mol

58.00 g/mol

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Balancea la siguiente ecuación: C3H8 + O2 → CO2 + H2O.

C3H8 + 4 O2 → 2 CO2 + 5 H2O

C3H8 + 5 O2 → 3 CO2 + 4 H2O

C3H8 + 6 O2 → 4 CO2 + 2 H2O

C3H8 + 3 O2 → 2 CO2 + 3 H2O

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Convierte 50 gramos de dióxido de carbono (CO2) a moles.

2.5 moles

3.2 moles

1.136 moles

0.5 moles

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

¿Qué establece la ley de conservación de masa?

La masa se puede crear en reacciones químicas.

La masa total se conserva en reacciones químicas.

La masa total aumenta en reacciones químicas.

La masa se destruye en reacciones químicas.

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Si tienes 2 moles de oxígeno (O2), ¿cuántos gramos son?

48 gramos

64 gramos

80 gramos

32 gramos

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Balancea la ecuación: Fe + O2 → Fe2O3.

2Fe + O2 → Fe2O3

4Fe + 2O2 → Fe2O3

3Fe + O2 → Fe2O3

4Fe + 3O2 → 2Fe2O3

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