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gc textbook chapter 13 temperature and kinetic theory (id: 87d701f9e)

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admin 发表于 2025-2-16 20:23:20 | 显示全部楼层 |阅读模式
本题目来源于试卷: gc textbook chapter 13 temperature and kinetic theory,类别为 通用国际物理

[问答题]
Is it possible to boikp te lb:o1l wm)ryd.t4l0p2 ,l watec,ufiin1 wi+3y kz7d, iu :fd9r at room temperature (20 $^{\circ} $ C) without heating it? Explain.




参考答案:
Liquids boil when their saturated vapor pressure equals the external pressure.  For water, from Table 13-3, the saturated vapor pressure of water at 20 $^{\circ} $ C is about 0.023 atm.  So if the external pressure is lowered to that level (about 2.3% of normal air pressure), the water will boil.


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