
Estequiometria
Authored by Study_. matt
Chemistry
9th - 12th Grade
Used 2+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
En la siguiente ecuación balanceada
La sustancia X corresponde a
CuO
NO
H2O
O2
H2
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Si el NaCl (Cloruro de sodio o sal de mesa) está a 0°C y 1 atm tendrá un volumen de 22,4 L
Verdadero
Falso
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
En la siguiente ecuación balanceada
Si el Producto X corresponde a H2O, entonces el reactivo Y es
NO2
NH3
N2H4
NO
N2
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
En toda reacción química es correcto afirmar que entre reactantes y productos siempre es igual el (la)
volumen entre estos.
cantidad de moléculas
cantidad de átomos.
moles de moléculas.
ninguna de las anteriores.
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
6,02 x 1023 moléculas de CH4 contienen
I) un mol de moléculas CH4.
II) 6,02 x 1023 átomos de carbono.
III) 6,02 x 1023 átomos de hidrógeno.
Es (son) incorrecta(s)
Solo I
Solo II
Solo III
Solo II y III
I, II, III
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
En la siguiente reacción de neutralización:
La especie X debe ser
Mg.
Mg2O.
MgCl2.
Mg2Cl.
Mg2Cl2.
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
¿Cuál de las siguientes sustancias presenta mayor cantidad de átomos?, (suponga una cantidad fija de 1 mol para cada una)
C6H6
HNO3
K2SO4
Fe(OH)3
H2SO4
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