Page 163 - Chemistry eBook
P. 163
Heating Curve Chart (Part 2)
The straight horizontal lines show:
The substance is changing phases and is experiencing two phases as it changes.
a. Line BC: solid to liquid (melting)
The horizontal line
resembles an arrow. Arrows represent change. The horizontal line represents phase change.
Solidgliquid b. Line DE: liquid to gas (evaporation) OR
liquidggas
UNIT 5: MATTER © 162
