Is water freezing to ice an exothermic or endothermic process?

1 Answer
Jan 29, 2017

Well it's a bond-making process........

Explanation:

And bond-forming processes are exothermic.

On the other hand bond-breaking processes are endothermic.

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The formation of water-water bonds in a definite array gives rise to the unusual density of ice compared to water. Ice-cubes and ice-bergs float. What does this tell you regarding density?