Chem_208_21_07_web - Prelim 2: Tues. Apr. 10, 7:30-9:00 PM,...

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1 Prelim 2: Tues. Apr. 10, 7:30-9:00 PM, 15- Equilibrium 16- Acids/Bases 17- Buffers/Indicators/Titrations 18- Solubility/Complex-Ion Equil. Problem Sets 5 - 8 Skipped Ch 15- Nitrogen cycle pages 652/653 Ch 16- Are you wondering on 679 Polyprotic acids beyond H2SO4 on 682-6 16.8 Molecular structure and acid/base Ch 17- Titration of weak polyprotic acids pages 730-1 17.5 Salts of polyprotic acids Ch 18- 18.4 Limitations of Ksp concept 18.6 Fractional precipitation
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Ch. 19: Spontaneous vs. Nonspontaeous Processes H 2 O (l) H 2 O (g) H = +44.0 kJ/mol Is this process spontaneous? At 110 o C: Yes At 20 o C: No Spontaneity cannot be predicted from H alone. • If a process is spontaneous, the reverse process is nonspontaneous. • Only spontaneous processes will occur without action from outside the system (external action). • Nonspontaneous processes require that some external action be applied. How can we predict whether or not chemical or physical processes will
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This note was uploaded on 05/18/2008 for the course CHEM 2080 taught by Professor Davis,f during the Spring '07 term at Cornell University (Engineering School).

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Chem_208_21_07_web - Prelim 2: Tues. Apr. 10, 7:30-9:00 PM,...

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