(II) Wine bottles are never completely filled: a small
Chapter 17, Problem 17.21(choose chapter or problem)
(II) Wine bottles are never completely filled: a small volumeof air is left in the glass bottles cylindrically shaped neck(inner diameter d = 18.5 mm) to allow for wines fairlylarge coefficient of thermal expansion. The distance Hbetween the surface of the liquid contents and the bottom ofthe cork is called the headspace height (Fig. 17-21), and istypically H = 1.5 cm for a 750-mL bottlefilled at 20 C. Due toits alcoholic content,wines coefficient ofvolume expansion isabout double that ofwater; in comparison,the thermal expansionof glass can beneglected. Estimate Hif the bottle is kept(a) at 10C, (b) at 30C.FIGURE 17-21 21.
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