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Unformatted text preview: s products reac tan ts high T
CaCO3 (s) CaO(s)+ CO 2 (g)
→ • If the total number of gas molecules decrease,
2Zn (s) + O 2 (g) 2ZnO (s)
→ ∆Srxn < 0 • If there is no net change in the total number of gas
molecules, then S0 may be positive or negative BUT
S0 will be a small number.
C (s,Graphite) + O 2 (g) CO 2 (g)
Entropy Changes in the System (∆Ssys)
Predicting the sign...
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This document was uploaded on 02/26/2014.
- Fall '14