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Consider the phase change H2O(l) → H2O(g). This equation describes the phase change from liquid water to steam. Think about the heat flow that is necessary for this change to take place. What do you predict
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Consider the phase change H2O(l) → H2O(g). This equation describes the phase change from liquid water to steam. Think about the heat flow that is necessary for this change to take place. What do you predict about the process? It will be .

User Mfjones
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evaporation or condensation reactions require heat. so in this reaction heat will be absorbed.
User Erick Castrillo
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2 votes
evaporation and or condensation considering the water is leaving

User Franz Holzinger
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