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Chapter 5: Q5.11P (page 227)
In Figure P5.11, what is the pressure of the gas in the flask (in kPa) if the barometer reads 765.2 mmHg?
The pressure of the gas is 100.0 kPa.
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How does a sample of gas differ in its behavior from a sample of liquid in each of the following situations?
(a) The sample is transferred from one container to a larger one.
(b) The sample is heated in an expandable container, but no change of state occurs.
(c) The sample is placed in a cylinder with a piston, and an external force is applied.
How can a unit of length such as millimetre of mercury (mmHg) be used as a unit of pressure, which has the dimensions of force per unit area?
In a closed-end manometer, the mercury level in the arm attached to the flask can never be higher than the mercury level in the other arm, whereas in an open-end manometer, it can be higher. Explain.
What is the effect of the following on the volume of 1 mol of an ideal gas?
(a) Half the gas escapes (at constantPandT).
(b) The initial pressure is 722 torr, and the final pressure is 0.950 atm; the initial temperature is 32oF, and the final temperature is 273 K.
(c) Both the pressure and temperature decrease to one-fourth of their initial values.
If the sample flask in Figure P5.12 is open to the air, what is the atmospheric pressure (in atm)?
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