(II) Show that the rms speed of molecules in a gas is given by vrms = V3P/p, where P is the pressure in the gas and pis the gas density.

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Q: (II) What is the rms speed of nitrogen molecules containedin an 8.5 -m3 volume at 2.9 atm if the…

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Q: (II) The lowest pressure attainable using the best availablevacuum techniques is about 10-12 N/m2 At…

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A: Change of the pressure with density:

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Q: For an ideal gas of constant volume, what happens to the pressure if the temperature is doubled?

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A:

Q: (II) The rms speed of molecules in a gas at 20.0°C is to beincreased by 4.0%. To what temperature…

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A: Pressure of the gas is tripled, keeping the volume as constant

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A: The rms speed of an ideal gas is, vrms=3RTM

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Q: At what temperature do atoms of helium gas have the same rms speed as molecules of hydrogen gas at…

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Q: Why would you not expect all the molecules of air in your room to have the same average speed?

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Q: Why wouldn't you expect all the molecules in a gas to have the same speed?

A: Gas molecules move with random speeds.

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A: d = 3 mm = 0.003 m Pa = 1.01 × 105 Pa

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A:

Q: will the coefficient of linear expansion also increase if the metal rod is heated to a temperature…

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Q: A gas is at 20oC. To what temperature must it be raised to triple the rms speed of its molecules?

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Q: Mention two factors on which the degrees of freedom of a gas depends.

A: degree of freedom