A Use Eq. 18

(a) Use Eq. (18.1) to estimate the change in the volume of a solid steel sphere of volume 11 L when the temperature and pressure increase from 21oC and 1.013 X l05 Pa to 42oC and 2.10 X 107 Pa. (Hint: Consult Chapters 11 and 17 to determine the values of P and k.)
(b) In Example 18.3 the change in volume of an 11-L steel scuba tank was ignored. Was this a good approximation? Explain.

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