
Gases ideales
Authored by dominica coppa
Chemistry
University
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8 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Si en un recipiente inicialmente se tiene He, O2 y H2 pero luego se agrega N2, la fraccion molar de cada gas.:
no cambia, es constante
varia porque cambian los moles de ese gas
varia porque cambian los moles totales
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Si sumamos todas las fracciones molares, nos debe dar:
100
1
1/100
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Si el volumen del recipiente es rigido:
la P es constante
la T es constante
los moles son constantes
El V es constante
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
En una mezcla de gases, la ecuacion de estado PV=nRT describe:
solo al recipiente
solo un gas
la totalidad, es decir, la mezcla
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Si la T es constante y V1 > V2, que ocurre con la P2? (pensar en leyes)
disminuye
es constante
aumenta
aumenta el doble
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
es la masa molar
sirve para hallar la masa
sirve para hallar la fraccion molar
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
falta el volumen!
falta la Mr!
faltan los moles!
falta la masa!
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