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Chemistry · Unit 2 · Intermolecular forces and gases · Intermolecular forces

Apply the kinetic theory of gases to explain the relationships between pressure, temperature, and volume of a gas.

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Question 1

A sealed container of helium gas at 298 K and 150 kPa is heated to 373 K without any change in volume. According to the kinetic theory of gases, which of the following best explains the observed change in pressure?

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Question 2

A sealed rigid container holds a fixed amount of nitrogen gas at 300 K and 100 kPa. The container is heated until the temperature reaches 450 K. Predict the new pressure of the gas. Explain your reasoning using the kinetic theory of gases.

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Question 3

A sealed container holds a fixed amount of helium gas at constant temperature. According to kinetic theory, which statement correctly describes what happens to the gas when the volume is decreased by half?

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