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Chapter 5: Q5.12P (page 227)
If the sample flask in Figure P5.12 is open to the air, what is the atmospheric pressure (in atm)?
The atmospheric pressure is 0.966 atm.
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A sample of sulfur hexafluoride gas occupies 9.10 L at . Assuming that the pressure remains constant, what temperature (in ) is needed to reduce the volume to 2.50 L?
A sample of carbon monoxide occupies 3.65 L at 298 K and 745 torr. Find its volume at and 367 torr.
Are the particles in a gas farther apart or closer together than the particles in a liquid? Use your answer to explain each of the following general observations:
(a) Gases are more compressible than liquids.
(b) Gases have lower viscosities than liquids.
(c) After thorough stirring, all gas mixtures are solutions.
(d) The density of a substance in the gas state is lower than in the liquid state.
Convert the following:
(a) 76.8 cmHg to atm (b) 27.5 atm to kPa
(c) 6.50 atm to bar (d) 0.937 kPa to torr
A 93-L sample of dry air cools from to while the pressure is maintained at 2.85 atm. What is the final volume?
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