Seudónimo Seudónimo

08-11-2017
Chemistry

contestada

A change from one phase to another involves a. A change in temperature B. An addition or subtraction of heat c. A subtraction if heat d. An addition of heat

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peridorito8864 peridorito8864

08-11-2017

I would say a change in temperature, A.

It doesn't necessarily HAVE to be hotter or colder to change phases, it can be either one.

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Peaceofmindgiver Peaceofmindgiver

08-11-2017

I think the answer is a or b but I don't know which

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