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Biology 9 Online
OpenStudy (anonymous):

how could you determine if a phase change is endothermic

OpenStudy (koikkara):

Hai Sweet Friend, @ryana3 WeLcoMe to OpeN stuDy.. !! >> If you need to add heat- it is endothermic, Endo- melting, sublimation, vaporization, (boiling and evaporation) >> If it gives off heat- it is exothermic, Exo-condensation, deposition, freezing, Wondering If you are satisfied with this answer, Please close this Question. Thank You ! Keep in touch with Open Study.. Bye !

OpenStudy (anonymous):

By a kinetic heat change.

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