Answer to Question #168265 in General Chemistry for Shein

Question #168265

Based on your experience, when ice melts to liquid water, is the process of endothermic or exothermic? When liquid water freezes to ice at 0°C, is this endothermic or exothermic? (assume that the ice/water is the system in each case.)



1
Expert's answer
2021-03-04T06:37:09-0500

When ice melts to liquid water, it is an endothermic process because heat must be absorbed to melt the ice without a change in temperature (Latent heat of fusion).

When liquid water freezes to ice, the process is exothermic because energy is given out for the liquid water to form a more stable ice.


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Assignment Expert
07.04.21, 18:42

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john
07.04.21, 06:59

thank you

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