IEv_3° Parcial Temas Selectos de Química II
Quiz
•
Science
•
10th Grade
•
Medium
Docente Motolinía
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15 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 2 pts
En la erupción de un volcán se libera una gran cantidad de energía calorífica al ambiente, teniendo como resultado una reacción:
. Exotérmica
Calor de combustión
Calor de formación
Calor de reacción
2.
MULTIPLE CHOICE QUESTION
20 sec • 2 pts
Son compuestos orgánicos más abundantes de la naturaleza:
Proteínas
Catálisis
Diálisis
Carbohidratos
3.
MULTIPLE CHOICE QUESTION
20 sec • 2 pts
Se determina mediante la suma de los calores de formación de los productos menos la suma de los calores de formación de los reactantes.
. Exotérmica
Calor de combustión
Calor de formación
Calor de reacción
4.
MULTIPLE CHOICE QUESTION
20 sec • 2 pts
La fórmula molecular de los carbohidratos es:
CnH20
CnH2(n)+2
Cn(H20)m
Cn(H202)m
5.
MULTIPLE CHOICE QUESTION
20 sec • 2 pts
Es el calor que se absorbe o libera cuando se forma un Mol de sustancia a partir de sus elementos.
. Exotérmica
Calor de combustión
Calor de formación
Calor de reacción
6.
MULTIPLE CHOICE QUESTION
20 sec • 2 pts
El almidón está formado por más de diez moléculas de:
Glucosa
Eritrosa
Sacarosa
Celulosa
7.
MULTIPLE CHOICE QUESTION
20 sec • 2 pts
El calor producido al quemarse el gas de una estufa se conoce como:
. Exotérmica
Calor de combustión
Calor de formación
Calor de reacción
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