凝華(, )是指物质直接从气态变为固态的物態变化。凝華的过程需要放热。
例子
冬天常见的霜,是大气中的水蒸气凝华成小冰晶。
参考资料
- Jacobson, Mark Z., Fundamentals of Atmospheric Modeling, Cambridge University Press, 2nd ed., 2005, p. 525
- Moore, John W., et al., Principles of Chemistry: The Molecular Science, Brooks Cole, 2009, p. 387
- Whitten, Kenneth W., et al., Chemistry, Brooks-Cole, 9th ed., 2009, p. 7
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