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USA Physics and Chemistry Contests
National Chemistry Olympiad
2010 National Chemistry Olympiad
19
19
Part of
2010 National Chemistry Olympiad
Problems
(1)
2010 USNCO Local #19: Which process is exothermic?
Source:
11/22/2012
Which process is exothermic?
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condensation
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fusion
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sublimation
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D
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vaporization
<span class='latex-bold'>(A)</span>\hspace{.05in}\text{condensation} \qquad<span class='latex-bold'>(B)</span>\hspace{.05in}\text{fusion} \qquad<span class='latex-bold'>(C)</span>\hspace{.05in}\text{sublimation} \qquad<span class='latex-bold'>(D)</span>\hspace{.05in}\text{vaporization} \qquad
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condensation
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fusion
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sublimation
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D
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vaporization