Knight_ch18

Knight_ch18 - Chapter 18 The table shows the properties of...

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Unformatted text preview: Chapter 18 The table shows the properties of four gases, each having the same number of molecules. Rank in order, from largest to smallest, the mean free paths of molecules in these gases. Gas A B C D Volume V 2 V V V Atomic mass m m 2 m m Atomic radius r r r 2 r The table shows the properties of four gases, each having the same number of molecules. Rank in order, from largest to smallest, the mean free paths of molecules in these gases. Gas A B C D Volume V 2 V V V Atomic mass m m 2 m m Atomic radius r r r 2 r The speed of every molecule in a gas is suddenly increased by a factor of 4. As a result, v rms increases by a factor of 1. 16. 2. >4 but not necessarily 16. 3. 4. 4. <4, but not necessarily 2. 5. 2. The speed of every molecule in a gas is suddenly increased by a factor of 4. As a result, v rms increases by a factor of 1. 16. 2. >4 but not necessarily 16. 3. 4. 4. <4, but not necessarily 2. 5. 2. 1. 1 mol of He at p = 1 atm, T = 300 K 2. 2 mol of N 2 at p = 0.5 atm, T = 450 K 3. 2 mol of He at p = 2 atm, T = 300 K 4. 1 mol of Ar at p = 0.5 atm, T = 450 K 5. 1 mol of N 2 at p = 0.5 atm, T = 600 K Which system has the largest average translational kinetic energy per molecule? Which system has the largest average translational kinetic...
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Knight_ch18 - Chapter 18 The table shows the properties of...

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