CHEMISTRY COMMUNITY • Phase Changes and Energy

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Phase Changes and Energy

Posted: Tue Jan 23, 2018 7:32 pm

by Ashley Davis 1I

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

Re: Phase Changes and Energy

Posted: Tue Jan 23, 2018 8:09 pm

by Cooper1C

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

Re: Phase Changes and Energy

Posted: Tue Jan 23, 2018 9:05 pm

by Cristina Sarmiento 1E

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

Condensation releases energy.