Chapter 3: Q75P (page 614)
..CALC Calculate the integral in Eq. (18.3) and compare this result to as given by Eq. (18.16). (Hint:You may use the tabulated integral
where nis a positive integer and a is a positive constant.
Prove the result that is equal to
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A gas storage tank has a small leak. The pressure in the tank drops more quickly if the gas is hydrogen or helium than if it is oxygen. Why?
When a gas surrounded by air is compressed adiabatically, its temperature rises even though there is no heat input to the gas. Where does the energy come from to raise the temperature?
In Example 20.4, a Carnot refrigerator requires a work input of only 230 Jto extract 346Jof heat from the cold reservoir. Doesn’t this discrepancy imply a violation of the law of conservation of energy? Explain why or why not.
Why is it sometimes possible to loosen caps on screw-top bottles by dipping the capped bottle briefly into hot water?
The gas used in separating the two uranium isotopesandhave the formula. If you added heat at equal rates to a mole ofgas and a mole ofgas, which one’s temperature would you expect to rise faster? Explain.
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