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 Kinetic Theory 28 Flashcards |
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What does the kinetic theory of gases explain about the behavior of gases? |
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It explains that gases consist of rapidly moving atoms or molecules, and their behavior can be understood in terms of molecular motion and interactions.
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Is the following statement True or False? 'The average distance between gas molecules is smaller than the interatomic distance in solids.' |
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False. The average distance between gas molecules is larger than the interatomic distance in solids.
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Riddle: I am a very small particle, yet I am the building block of everything. What am I? |
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An atom |
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What is Avogadro’s hypothesis? |
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It states that equal volumes of all gases at the same temperature and pressure contain the same number of molecules.
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Fill in the blank: The mean free path is the average distance a molecule can travel without ___ . |
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Colliding |
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Which of the following gases would have the highest root mean square speed at the same temperature? (a) Oxygen (b) Nitrogen (c) Helium (d) Argon |
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Helium
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True or False: The pressure exerted by a gas is the same at all points within the gas when in equilibrium. |
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True |
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What is Dalton's law of partial pressures? |
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It states that the total pressure of a mixture of non-reactive gases is equal to the sum of the partial pressures of each individual gas.
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Fill in the blank: The average kinetic energy of a molecule in a gas is directly proportional to its absolute ___ . |
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Temperature |
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Riddle: I change with temperature, but my total energy is always conserved. What am I? |
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Kinetic energy of gas molecules |
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What is the relationship described by the ideal gas equation? |
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It relates the pressure (P), volume (V), and temperature (T) of a gas, expressed as PV = nRT, where n is the number of moles.
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Fill in the blank: The law of equipartition of energy states that the energy for each degree of freedom is ___ kB T. |
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1/2 |
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True or False: An ideal gas is a theoretical model that behaves exactly like real gases under all conditions. |
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False. No real gas is truly ideal. |
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What does the specific heat capacity of a gas depend on? |
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It depends on the type of gas and the degrees of freedom of its molecules. |
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