fusion = from solid to liquid or liquid to solid?

[Smooth Operater]

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hello, is fusion = from solid to liquid or liquid to solid? Thanks!

 

[jhuplaw]

if you're refering to heat of fusion it can go either way. heat of fusion is the amount of thermal energy that the substance needs to take in or lose depending on if it wants to go from solid to liquid or liquid to solid.

 

[Smooth Operater]

how about fusion in term of phase change?

 

[platinumcaps]

solid to liq

 

[doc toothache]

solid to liquid=fusion or melting
liquid to solid=freezing, solidification, or crystallization

 

[TeethRCool]

condensation=gas to liquid