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chem 101 chapter 1

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Tro, Principles of Chemistry: A Molecular Approach<br />

Common Physical Changes<br />

• processes that<br />

cause changes in<br />

the matter that do<br />

not change its<br />

composition<br />

• state changes<br />

ü boiling/condensing<br />

ü melting/freezing<br />

ü subliming<br />

• dissolving<br />

Subliming Dissolving of of Dry Sugar Ice<br />

C 12 H 22 O 11 (s)<br />

CO 2 (g)<br />

Dry Ice<br />

CO 2 (s)<br />

C 12 H 22 O 11 (aq)

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