CHE 134 Final Review

CHE 134 Final Review - 4/30/2010 1 CHE 134 CHE 134 A brief...

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Unformatted text preview: 4/30/2010 1 CHE 134 CHE 134 A brief review A brief review Last Update: 4/30/2010 3:39 PM Engaged in 10 Exercises 1. Calorimetric Determination of Enthalpy of Reactions 2. Complexometric Titration of Calcium 3. Kinetic Study of a Bleaching Reaction 4. Synthesis of Aspirin 5. Colorimetric Determination of Iron in Multivitamins 6. Aspirin Purity by pH Titration 7. Determination of Molar Mass and pK a of unknown acid by pH Titration 8. Identification and Properties of Plastics 9. Determination of Vitamin C in Food Products by Iodometry . 10. Electrochemistry and the Nernst Equation Chemical Reactions / Equations Stoichiometry / Mole Relationships Limiting Reagents Concentration Measures / Dilution Organic Structure Representation Recurrent Concepts Recurrent Concepts Organic Structure Representation Strong/Weak Acids / pK a Significant Figures Statistical Measures (Avg, Avg/ Dev etc.) Recurrent Recurrent Concepts (contd) Concepts (contd) pH and [ H + ] Redox Reactions Spectrophotometry Graphs Precision Precision Accuracy Reproducibility The most recent 3 exercises. Questions will be detailed Polymer Properties & IR Polymer Properties & IR Polymer Properties & IR Polymer Properties & IR Titrations Titrations Vitamin C Vitamin C Electrochemistry & Nernst Equation Electrochemistry & Nernst Equation Group IR absorptions Density Determination Polymer Properties Polymer Properties & IR & IR Beilstein Test Structure/Property Relations Heat behavior Melting behavior 4/30/2010 2 DISTINGUISHING CHARACTERISTICS DISTINGUISHING CHARACTERISTICS 1 (PETE) POLYETHYLENE TEREPHTHALATE Monomer contains C, H and O, BENZENE ring and ESTER LINKAGES C=O bonds (1690-1720 cm-1 ) The packaging plastics O O O O 1 2 (HDPE) HIGH DENSITY POLYETHYLENE Hydrocarbon - only C and H O O O O O O O O O O OH O HO H H H H H H H H H H H H H H H H H H H H H H DISTINGUISHING CHARACTERISTICS DISTINGUISHING CHARACTERISTICS 3 (V) POLYVINYL CHLORIDE Monomer contains C, H and C-Cl bonds The packaging plastics H H H H H H H H H H H H Cl Cl Cl Cl Cl H H H H H 4 (LDPE) LOW DENSITY POLYETHYLENE Hydrocarbon - only C and H H H H H H H H H H H H H H H H H H H H H H H 5 (PP) POLYPROPYLENE Hydrocarbon - only C and H 6 (PS) POLYSTYRENE...
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This note was uploaded on 01/09/2011 for the course CHE 134 taught by Professor Staff during the Summer '08 term at SUNY Stony Brook.

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CHE 134 Final Review - 4/30/2010 1 CHE 134 CHE 134 A brief...

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