凝华

物態變化

凝华(英語:desublimation, 英語:deposition)是指物质直接从气态变为固态的物态变化。凝华的过程需要放热。

例子

编辑

冬天常见的,其實是凝固,參考水的三相圖可得知水不太可能產生凝華。

雾凇”是一种凝华现象。

白炽灯壁变黑是蒸汽的凝华现象。

窗户内壁的冰花是一种凝华现象。

参考资料

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  • Jacobson, Mark Z., Fundamentals of Atmospheric Modeling, Cambridge University Press, 2nd ed., 2005, p. 525 ISBN 978-0-521-83970-9
  • Moore, John W., et al., Principles of Chemistry: The Molecular Science, Brooks Cole, 2009, p. 387 ISBN 978-0-495-39079-4
  • Whitten, Kenneth W., et al., Chemistry, Brooks-Cole, 9th ed., 2009, p. 7 ISBN 978-0-495-39163-0
  • Focus on Physical Science. Glencoe Science. 
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