
PRUEBA EXTRAORDINARIA QII

Quiz
•
Chemistry
•
6th Grade
•
Hard

Blanca Rosa Puig Barajas
FREE Resource
27 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 2 pts
La definición “Los pesos de dos sustancias que se combinan con un peso conocido de otra tercera son químicamente equivalentes entre sí”, ¿a cuál ley corresponde?
Ley de Lavoisier
Ley de Proust
Ley de Dalton
Ley de Richter-Wenzel
2.
MULTIPLE CHOICE QUESTION
5 mins • 4 pts
Calcula el peso de una cadena de plata (Ag) que contiene 2.007 x 1024 átomos de plata.
Z Ag = 108 g/mol
157 g
333 g
360 g
3.
MULTIPLE CHOICE QUESTION
5 mins • 4 pts
71.4 g
100.2 g
129.0 g
4.
MULTIPLE CHOICE QUESTION
5 mins • 4 pts
Determina la fórmula mínima de un compuesto orgánico cuya composición es 64.6% de carbono, 10.8% de hidrógeno y 24.6% de oxígeno
Pesos atómicos: C=12 H=1 O=16
CHO
C3H7O
C7H14O2
5.
MULTIPLE CHOICE QUESTION
5 mins • 5 pts
48.06 %
68.95 %
73.10 %
6.
MULTIPLE CHOICE QUESTION
5 mins • 6 pts
Hidracina – 0.825 moles de nitrógeno
Oxígeno – 0.625 moles de nitrógeno
Hidracina – 0.925 moles de nitrógeno
Oxígeno – 0.725 moles de nitrógeno
7.
MULTIPLE CHOICE QUESTION
1 min • 2 pts
En la hibridación sp2 del carbono los orbitales híbridos formados ¿en qué ángulo se orientan?
109.5°
120°
180°
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