ESTEQUIOMETRIA
Quiz
•
Chemistry
•
3rd - 4th Grade
•
Practice Problem
•
Hard
MARISOL ORTEGA
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10 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Estudia a un conjunto de leyes naturales que regulan o controlan el comportamiento en los procesos químicos:
FÍSICA
QUÍMICA
ESTEQUIOMETRIA
NINGUNO
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Estableció que la energía es materia altamente dispersada y que la materia es energía altamente concentrada.
Mayer
Lavoisier
Albert Einstein
Joule
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Para formar una sustancia, los elementos se combinan en una proporción fija de masa, independientemente del método de obtención de esa sustancia.
ley de conservación de la materia y la energía.
ley de la conservación de la masa (Lavoisier)
ley de las proporciones definidas o constante (ley de Proust)
ley de las proporciones multiples (ley de Dalton)
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Ley de la conservación de la materia y energía o
ley de Albert Einstein
ley de Mayer-Joule
ley de Dalton
ley de Richter
5.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Propuso la ley que establece : si dos o mas elementos se combinan en proporciones distintas para formar varios compuestos , si el peso de uno de ellos se mantiene constante, los pesos del otro elemento varían según una relación de números enteros
6.
FILL IN THE BLANK QUESTION
5 mins • 1 pt
¿cuantos moles de oxigeno se desprende al descomponer por calentamiento 49g de clorato de potasio?
7.
FILL IN THE BLANK QUESTION
5 mins • 1 pt
calcular la equivalencia en gramos de 7,2 .10E12 joules de energía.
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