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Topic: Question about work during phase changes...  (Read 2415 times)

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Offline Xuanny

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Question about work during phase changes...
« on: December 13, 2009, 11:28:19 AM »
When water vapor condenses to liquid water, the process is exothermic. Heat and work are both negative. I know why q is negative, but why is w negative?

H2O(g) → H2O(l)
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