Leyes de los Gases AD24 - Problemas
Quiz
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Chemistry
•
12th Grade
•
Medium
Jorge Arizpe
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8 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
FÓRMULA DE LA LEY DE GASES IDEALES
PV= nRT
P1V1= P2V2
V1T1=V2T2
P=nRT
2.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
La unidad de temperatura para ejercicios de gases es:
Grados Centígrados
Grados Kelvin
Kelvin
Grados Fahrenheit
3.
MULTIPLE CHOICE QUESTION
5 mins • 2 pts
El volumen de una muestra de oxígeno es 2.5 litros a 50°C. ¿Qué volumen ocupará el gas a 25°C, si la presión permanece constante?
2.36 litros
2,036 litros
2,306 litros
Ninguna de las anteriores
4.
MULTIPLE CHOICE QUESTION
5 mins • 2 pts
Una muestra de 200 ml de un gas a 20°C se expande hasta un nuevo volumen de 212 ml a presión constante. ¿Cuál es la temperatura final en °C?
310.58
21.2
37.58
18.86
5.
MULTIPLE CHOICE QUESTION
5 mins • 2 pts
Un globo meteorológico se llena con 15.0 L de helio a una temperatura de 25°C y una presión de 1 atm. ¿Cuál es la presión del helio en el globo en la atmósfera superior cuando la temperatura es -35°C y el volumen se vuelve 34 L?
0.317 atm
0.410 atm
0.410 atm
0.352 atm
6.
MULTIPLE CHOICE QUESTION
5 mins • 2 pts
Se tienen 4.5 L de un gas sometido a 4.8 atm y de pronto se reduce esa presión a 2.4 atm. ¿Cuál será el volumen que ocupa el gas? Considere temperatura constante
9 L
7 L
11 L
6 L
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
¿A qué presión 98 g de nitrógeno gaseoso ocupan 69 L a 27ºC? (N2=28 g/mol)
R=0.0821 atm l/mol K
1 atm
2 atm
1.2 atm
1.75 atm
2.5 atm
8.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cuantos gramos de hidrógeno ocupará 500 mL a la presión de 5 atm y a una temperatura de 17ºC? (H2 = 2 g/mol)
R=0.0821 atm l/mol K
2.10 g
0.210 g
0.420 g
4.20 g
0.105 g
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