Fundamentals of Physics Study Set 2

Physics & Astronomy

Quiz 19 :

The Kinetic Theory of Gases

Quiz 19 :

The Kinetic Theory of Gases

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An ideal gas occupies 12 liters at 293 K and 1 atm (76 cm Hg).Its temperature is now raised to 373 K and its pressure increased to 215 cm Hg.The new volume is:
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B

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A 2.0-m3 weather balloon is loosely filled with helium at 1 atm (76 cm Hg)and at 27C.At an elevation of 20,000 ft, the atmospheric pressure is down to 38 cm Hg and the helium has expanded, being under no constraint from the confining bag.If the temperature at this elevation is -48C, the gas volume is:
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C

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Evidence that a gas consists mostly of empty space is the fact that:
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A

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Over 1 cycle of a cyclic process in which a system does net work on its environment:
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In order that a single process be both isothermal and occur at constant pressure:
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An air bubble doubles in volume as it rises from the bottom of a lake (1000 kg/m3).Ignoring any temperature changes, the depth of the lake is:
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It is known that 28 grams of a certain ideal gas occupy 22.4 liters at standard conditions (0C, 1 atm).The volume occupied by 42 grams of this gas at standard conditions is:
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Air enters a hot-air furnace at 7C and leaves at 77C.If the pressure does not change each entering cubic meter of air expands to:
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What is the relationship between the ideal gas constant R and the Boltzmann constant k?
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Use R = 8.2 10-5 m3 atm/mol K and NA = 6.02 1023 mol-1.The approximate number of air molecules in a 1 m3 volume at room temperature (300 K)and atmospheric pressure is:
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Two identical rooms in a house are connected by an open doorway.The temperatures in the two rooms are maintained at different values.Which room contains more air?
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Avogadro's number is:
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Platinum has a molar mass of 195 g/mol.If you have a ring that contains 2.3 g of platinum, how many moles does it contain?
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An ideal gas undergoes an isothermal process starting with a pressure of 2 105 Pa and a volume of 6 cm3.Which of the following might be the pressure and volume of the final state?
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How many molecules are in a sample of 10-3 mol?
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273 cm3 of an ideal gas is at 0C.It is heated at constant pressure to 10C.It will now occupy:
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An automobile tire is pumped up to a gauge pressure of 2.0 105 Pa when the temperature is 27C.What is its gauge pressure after the car has been running on a hot day so that the tire temperature is 77C? Assume that the volume remains fixed and take atmospheric pressure to be 1.013 105 Pa.
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A given mass of gas is enclosed in a suitable container so that it may be maintained at constant volume.Under these conditions, there can be no change in what property of the gas?
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The pressures p and volumes V of the five ideal gases, with the same number of molecules, are given below.Which has the highest temperature?
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A sample of an ideal gas is compressed by a piston from 10 m3 to 5 m3 and simultaneously cooled from 273C to 0C.As a result there is:
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