Chapter 10 - Chemistry 11e(Brown/LeMay/Brusten/Murphy...

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Chemistry, 11e (Brown/LeMay/Brusten/Murphy) Chapter 10: Gases 10.1 Multiple-Choice and Bimodal Questions 1) A gas at a pressure of 10.0 Pa exerts a force of __________ N on an area of 2 5.5 m . A) 55 B) 0.55 C) 5.5 D) 1.8 E) 18 Answer: A Diff: 2 Page Ref: Sec. 10.2 2) A gas at a pressure of 325 torr exerts a force of __________ N on an area of 2 5.5 m . 3) A pressure of 1.00 atm is the same as a pressure of __________ of mm Hg.
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4) The National Weather Service routinely supplies atmospheric pressure data to help pilots set their altimeters. The units the NWS uses for atmospheric pressure are inches of mercury. A barometric pressure of 30.51 inches of mercury corresponds to __________ kPa. 5) A closed-end manometer was attached to a vessel containing argon. The difference in the mercury levels in the two arms of the manometer was 12.2 cm. Atmospheric pressure was 783 mm Hg. The pressure of the argon in the container was __________ mm Hg. A) 122 B) 661 C) 771 D) 795 E) 882 Answer: A Diff: 2 Page Ref: Sec. 10.2
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Chemistry, 11e (Brown/LeMay/Brusten/Murphy) Chapter 10: Gases 6) A gas vessel is attached to an open-end manometer containing a nonvolatile liquid of density 0.791 g/mL as shown below. The difference in heights of the liquid in the two sides of the manometer is 43.4 cm when the atmospheric pressure is 755 mm Hg. Given that the density of mercury is 13.6 g/mL, the pressure of the enclosed gas is __________ atm.
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7) A gas vessel is attached to an open-end manometer filled with a nonvolatile liquid of density 0.993 g/mL as shown below. The difference in heights of the liquid in the two sides of the manometer is 32.3 cm when the atmospheric pressure is 765 mm Hg. Given that the density of mercury is 13.6 g/mL, the pressure of the enclosed gas is __________ atm. 8) In a Torricelli barometer, a pressure of one atmosphere supports a 760 mm column of mercury. If the original tube containing the mercury is replaced with a tube having twice the diameter of the original, the height of the mercury column at one atmosphere pressure is __________ mm.
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