Phase Changes and Energy

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Ashley Davis 1I
Posts: 57
Joined: Fri Sep 29, 2017 7:04 am

Phase Changes and Energy

Postby Ashley Davis 1I » Tue Jan 23, 2018 7:32 pm

Do all phase changes require energy? Or just the "backward" ones like condensation, solidification, etc?

Cooper1C
Posts: 50
Joined: Fri Sep 29, 2017 7:07 am

Re: Phase Changes and Energy

Postby Cooper1C » Tue Jan 23, 2018 8:09 pm

I think s->l->g requires energy and g->l->s releases energy.

Cristina Sarmiento 1E
Posts: 52
Joined: Wed Nov 16, 2016 3:02 am

Re: Phase Changes and Energy

Postby Cristina Sarmiento 1E » Tue Jan 23, 2018 9:05 pm

Melting, vaporization, and sublimation all require energy (endothermic).

Condensation releases energy.


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