3906321
Descrição
Quiz por Jeffrey Piggott, atualizado more than 1 year ago
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Criado por Jeffrey Piggott
mais de 8 anos atrás
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Questão 1
Questão
Which of the following assumptions of the kinetic molecular theory of gases is not valid for real gases at high pressure?
Responda
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A) The volume of the gas particles is much smaller than the distance between the gas particles.
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B) The gas particles behave like hard, spherical objects in a state of constant, random motion.
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C) The average kinetic energy of the gas particles depends upon temperature of the gas only.
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D) The gas particles move in a straight line until they collide with another particle or the walls of the container.
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E) All of the above are valid for real gases at high pressure.
Questão 2
Questão
If all of the flasks of gas shown are the same size, at the same temperature, and contain the same number of molecules, in which flask will the molecules be moving slowest?
Responda
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A Flask 1
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B Flask 2
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C Flask 3
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D Flask 4
Questão 3
Questão
Each of these flasks contains the same number of molecules. In which container is the pressure lowest?
Responda
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A Flask 1
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B Flask 2
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C Flask 3
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D Flask 4
Questão 4
Questão
Each of these flasks is the same size and at the same temperature. In which flask will diffusion occur most slowly?
Responda
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A flask 1
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B Flask 2
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C Flask 3
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D Flask 4
Questão 5
Questão
Each of these flasks is the same size and at the same temperature. Which one contains the fewest molecules?
Responda
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A Flask 1
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B Flask 2
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C Flask 3
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D Flask 4
Questão 6
Questão
Each of these flasks contains the same number of gas molecules. In which would the pressure be highest?
Responda
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A Flask 1
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B Flask 2
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C Flask 4
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D Flask 3
Questão 7
Questão
Four different flasks contain gas samples at 298 K. In which of the following samples will the gas molecules be moving the fastest?
Responda
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A CO2
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B H2
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C N2
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D O2
Questão 8
Questão
If all of the following flasks are the same size, at the same temperature, and contain the same number of molecules, in which flask will the pressure be highest?
Responda
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A Flask 1
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B Flask 2
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C Flask 3
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D Flask 4
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E All have the same pressure
Questão 9
Questão
Which of the following changes to a system WILL NOT result in an increase in pressure?
Responda
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A Raising the temperature
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B Adding more gas molecules
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C Increasing the volume of the container
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D Decreasing the volume of the container
Questão 10
Questão
Gas pressure is caused by:
Responda
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A intermolecular forces
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B gas molecules colliding with surfaces
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C gas molecules hitting other gas molecules
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D gas molecules condensing to a liquid
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