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Wireless Networking and Handheld Computers in General, Organic, and Inorganic Chemistry Charles Ward, Department of Chemistry David White, Department of Chemistry James Reeves, Department of Chemistry Ron Vetter, Department of Computer Science Gabriel Lugo, Department of Mathematics and Statistics Russ Herman, Department of Mathematics and Statistics Prentice-Hall and Hypercube http://aa.uncwil.edu/numina • Introduction to System • Applications – Web-based textbook – SWATT • Experimental results – Hyperchem • Digital Library Handheld Computers and Wireless Network • HP Jornada 720 handheld computers • WinCE Professional 2000 • Cisco Aironet 340 wireless network products HP Jornada 720 Handheld Computers • StrongArm CPU: 206 MHz • 32 MB + 48 MB of RAM • WinCE (Word, Excel, PowerPoint, Explorer, Access) • Hyperchem, FTP Cisco 340 Wireless Network • 802.11b Standards-based network • 150’ range around access point (indoors) • 11 Mbps throughput • Wireless access throughout entire building Computer Distribution • Computers distributed in class from carts • 32 computers on each cart with power supplies • The contents of each cart can be distributed and returned in under 6 minutes E-Book Chemistry Textbook • Chemistry: The Central Science 8th Ed. • Prentice-Hall Publishers • HTML format – entirely editable E-Book Chemistry Textbook • Fully illustrated • Recently added problems, appendices, links • Access to Prentice-Hall Web site SWATT: Student Response System • Interactive classroom questioning • Completely Web-based system • Student feedback is anonymous • Data are available for later analysis SWATT: Student Response Pad • Student view is synchronized with classroom view through the Web-based database • IP address of Jornada is used to prevent multiple responses to the same question • Nearly 100% student participation SWATT: Interfaces Under Development Numeric Response Graphic Response Confidence Response Which one of the following statements about a chemical reaction at equilibrium is correct? a) The concentrations of reactants and products are equal. b) The rates of the forward and reverse reactions are equal. c) No more reactants are converted to products. d) The concentrations of reactants and products change with time. Which one of the following statements about a chemical reaction at equilibrium is correct? a) The concentrations of reactants and products are equal. b) The rates of the forward and reverse reactions are equal. c) No more reactants are converted to products. d) The concentrations of reactants and products change with time. What is the half-life of the following first-order reaction? a) 2 s b) 10 s c) 5 s d) 20 s What is the half-life of the following first-order reaction? a) 2 s b) 10 s c) 5 s d) 20 s What is the value of the equilibrium constant (K) for this reaction? a) 9.0 b) 1.0 c) 0.90 d) 0.11 What is the value of the equilibrium constant (K) for this reaction? a) 9.0 b) 1.0 c) 0.90 d) 0.11 Pocket Hyperchem from Hypercube • Pen-based interface • MM+ and SemiEmpirical Calculations • Standard functions for general, inorganic, and organic chemistry General Chemistry • View and rotate molecules (pre-built) • Measure bond angles and bond lengths • View molecules in different renderings Bond angle calculation Exercise #1 Experimental group used Hyperchem to rotate molecules and measure bond angles Exercise #2 Control group used the Jornadas to view this as a Web form in color, but with no rotation capability Sample Quiz Questions VSEPR Questions VSEPR Questions Gas Law Questions Organic and Inorganic Chemistry • Build molecules • Optimize geometries • Explore properties of molecules Organic Chemistry • Study the nature of the strain in methyl substituted cyclohexanes mono hexa Inorganic Chemistry • Generate the MO diagram for BF3 and study its Lewis acid-base chemistry • • • • Part of the NSDL initiative Library resources are peer-reviewed Ready to receive contributions http://aa.uncwil.edu/dl Department of Chemistry Jimmy Reeves Dave White Dick Ward Departments of Mathematics & Computer Science Gabriel Lugo Ron Vetter Russ Herman http://aa.uncwil.edu/numina http://aa.uncwil.edu/dl
