Question

Why does ice first melt at the corners???

Explain How???​

Answer 1

Answer:

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Explanation:

Ice melts first at corners because at corners broken bonds are high. So they have high energy. Afterwards ice melts at edges in which broken bonds are lesser than corners. In this order ice melts based on the number of broken bonds

Answer 2

Answer:

Melting of Ice proceeds like these

   Corners melt first

   followed by Sides/Edges

   Lastly the faces

(You can actually try this experiment at home & post pictures here in the Forum in reply to my answer)

This can be related very easily if you know Phase Transformation. You can see melting as the nucleation of Water in Solid Ice. Where does the nucleation first start? Now we know the answer to that do we not?

Nucleation starts at sites that have higher energies (like Grain boundaries in typical metals). In the case of Ice, the maximum number of broken bonds are present at the Corners, Edges & Faces – in this order and so are the energies at these sites. So Liquid will nucleate (I mean ice will melt) in this order

Explanation: