Phase Changes PDF Print E-mail
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Written by pimpitcha   
Saturday, 29 March 2014 11:02

Phase Changes transformations from one phase to another occur when energy (usually in the form of heat) is added or removed from a substance they are physical changes because it is only a change to the molecular order.


ที่มา : www.youtube.com

ลิงค์ : http://youtu.be/bDZpOIfT34s

อัพโหลดโดย : Jean Davis
 

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