MARTINDALE'S CALCULATORS ON-LINE CENTER CHEMISTRY P-Q

US/Pacific: Sunday, October 24, 2004 Sydney, Australia: Monday, October 25, 2004 File Download Time Calculator Author, E-Mail, Privacy Policy & Disclaimer Currently the Calculators On-Line Center contains over "18,795" Calculators

Petroleum Hydrocarbons MODELING SUBSURFACE TRANSPORT MODELING SUBSURFACE TRANSPORT OF PETROLEUM HYDROCARBONS: SIMULATIONS & CALCULATORS - J. Weaver, Ecosystems Research Division, National Exposure Research Laboratory (NERL), Office of Research and Development, EPA, Athens, Georgia Multimedia Course (Text, Images & Simulations). VERY VERY EXTENSIVE. For more information see Course Home Page or the Ecosystems Research Division or the National Exposure Research Laboratory (NERL) Some examples of over "25" Calculators & Simulators include Average Borehole Concentrations Moisture Content Calculator Retardation Factor Calculator (Solids Density, Porosity, Bulk Density etc.) Seepage Velocity and Travel Time Calculator Effective Solubility Calculator Vertical Gradients with Well Screen Effects pH LogD CALCULATION FOR SPECIFIC pH LogD CALCULATOR FOR SPECIFIC pH - M. Earll, U.K. VERY EXTENSIVE. For more information see Analytical Chemistry Calculators; Analytical Chemistry Home Page or Mark Earll's Home Page Other related calculators include LogD calculator for all pH values Percentage Ionisation from pKa value pH CALCULATIONS & METERS pH CALCULATOR - Sensorex Corporation "This program will calculate the pH of a solution of known concentration." VERY EXTENSIVE. For more information see Tech Education or Sensorex Corporation pH PLAYGROUND: UNDERSTANDING pH (JAVA APPLET) - A.W. Grogono, Department of Anesthesiology, School of Medicine, Tulane University "...designed to take the mystery out of pH..." For more information see Acid-Base Balance; Alan W. Grogono's Home Page or the Department of Anesthesiology pH SIMULATIONS pH CONTROL (JAVA APPLETS) - G.C. Goodwin, S.F. Graebe & M.E. Salgado, Department of Electrical & Computer Engineering, University of Newcastle, Australia "...The basic idea to control the pH variations in some liquid flow, usually making the pH as close to 7 as possible..." VERY VERY EXTENSIVE. For more information see Interactive Simulations; Control Systems Designs or the Department of Electrical & Computer Engineering Some examples include pH Neutralisation System Simulation pH Control System with Control Valve Hysteresis Simulation

Physical Chemistry PHYSICAL CHEMISTRY IRYDIUM PROJECT: JAVA PROGRAMS FOR PHYSICAL CHEMISTRY - D. Yaron, D. Lange, J, Chalecki & S. C. Ulrich, Jr., Department of Chemistry, Carneigie Mellon University VERY EXTENSIVE. For more information see The Irydium Project or the Department of Chemistry Some examples include Spectroscopic Simulator Why Things Have Color PHYSICAL CHEMISTRY (JAVA APPLETS) - Department of Chemistry, Slave Regina University, Newport, Rhode Island VERY EXTENSIVE. For more information see the Department of Chemistry Some examples from over "15" Applets include Integration Rotational And Translational Motion Longitudinal Waves PHYSICAL CHEMISTRY - EQUILIBRIUM, STRUCTURE & CHANGE EQULIBRIUM CONSTANTS FROM MOLECULAR STRUCTURE (JAVA APPLET) - T. W. Shattuck, Department of Chemistry, Colby College, Waterville, Maine VERY EXTENSIVE. "...uses statistical mechanics to calculate the equilibrium constant for a simple bimolecular chemical reaction involving diatomic molecules and atoms..." For more information see Physical Chemistry or the Department of Chemistry PHYSICAL CHEMISTRY: EQUILIBRIUM - Companion Website for Atkins' Physical Chemistry 7th edition, Atkins & de Paula; Content & Graphics, Oxford University Press VERY VERY EXTENSIVE. For more information see Living Graphs; Physical Chemistry; Textbooks in Chemistry; Higher Education Textbooks or Oxford University Press Some examples from over "20" Applets inlcude Hydrostatic Pressure Temperature Changes During the Adiabatic Expansion of Gases Fugacity of Gases The Titration of Weak Acids and Bases PHYSICAL CHEMISTRY: STRUCTURE - Companion Website for Atkins' Physical Chemistry 7th edition, Atkins & de Paula; Content & Graphics, Oxford University Press VERY VERY EXTENSIVE. For more information see Living Graphs; Physical Chemistry; Textbooks in Chemistry; Higher Education Textbooks or Oxford University Press Some examples from over "30" Applets inlcude The Planck Distribution The Particle on a Sphere Electron Penetration and Shielding Fourier Transform Techniques in Vibrational Spectroscopy The Determination of Polarizability and Dipole Moment Coagulation and Flocculation of Colloids PHYSICAL CHEMISTRY: CHANGE - Companion Website for Atkins' Physical Chemistry 7th edition, Atkins & de Paula; Content & Graphics, Oxford University Press VERY VERY EXTENSIVE. For more information see Living Graphs; Physical Chemistry; Textbooks in Chemistry; Higher Education Textbooks or Oxford University Press Some examples from over "15" Applets inlcude The Maxwell Distribution of Speeds Second-order Reactions Stepwise Polymerization Tafel Plots and the Butler-Volmer Equation PHYSICAL CHEMISTRY WITH APPLICATIONS IN BIOLOGY PHYSICAL CHEMISTRY (JAVA APPLETS) - Peter Atkins, The Elements of Physical Chemistry With Applications in Biology, 3e; Content & Graphics, W.H. Freeman and Company VERY VERY EXTENSIVE. For more information see The Elements of Physical Chemistry With Applications in Biology, 3e; Chemistry or W.H. Freeman and Company Some examples from over "20" Applets inlcude Van der Waals Isotherms Work of Reversible, Isothermal Expansion of a Perfect Gas Entropy from the heat capacity Gibbs energy of mixing Entropy of mixing Fraction of F6P

Polymer Chemistry POLYMER MASS SPECTRAL DATA ANALYSIS MASSSPECTATOR ONLINE CALCULATOR: ADVANCED SYNTHETIC POLYMER MASS SPECTRAL DATA ANALYSIS - a collaborative project between the Polymers Division, Materials Science and Engineering Laboratory, and the Mathematical and Computational Sciences Division, Information Technology Laboratory, National Institute of Standards and Technology (NIST) VERY VERY EXTENSIVE. "...MassSpectator is a mathematical method that locates, and calculates the area beneath, peaks from mass spectra using only reproducible mathematical operations and no user-selected parameters..." For more information see MALDI; Polymers Division; Mathematical and Computational Sciences Division; Materials; NIST ONLINE Reference Databases or NIST Home Page SYNTHETIC POLYMER MALDI (MATRIX ASSISTED LASER DESORPTION IONIZATION) DATABASE - Polymers Division, Materials Science and Engineering Laboratory, National Institute of Standards and Technology (NIST) "...This database consists of methods, taken largely from the peer-review scientific literature, for matrix-assisted laser desorption ionization (MALDI) mass spectrometry on a wide variety of synthetic polymers. These methods have not necessarily been tested by the Standards and Data Subgroup of the..." For more information see MALDI; Polymers Division; Materials; NIST ONLINE Reference Databases or NIST Home Page POLYMER CHEMISTRY COURSES USING CALCULATORS & JAVA APPLETS POLYMER CHEMISTRY (JAVA APPLETS) - American Chemical Society (ACS) Short Course in Polymer Chemistry; Sponsored by: the Center for Adhesive and Sealant Science, the Polymer Physical Chemistry Group & the Virginia Tech Engineering Department; Hosted by: the Department of Chemistry, College of Arts and Sciences, Virginia Tech VERY VERY EXTENSIVE. For more information see the Department of Chemistry Some examples from over "20" Applets Copolymerization: Build a Random Copolymer Copolymerization: Build an Alternating Copolymer Polydispersity: Calculating the Flory Distribution Polydispersity: Calculating the Schulz Distribution Networks: Calculating Crosslink Density from Modulus Networks: Calculating Crosslink Density from Solvent Uptake Mechanical Properties: Calculating Strain with the Four-Element Model Mechanical Properties: Calculating Toughness POLYMER DESIGN TOOLS, CALCULATORS & APPLETS COPOLYMER EQUATION (JAVA APPLET) - John A. Nairn, Department of Materials Science and Engineering, College of Engineering, University of Utah "...plots the copolymer equation and lets you explore the effect of varying the parameters..." For more information see Java Applets; John A. Nairn's Home Page or the Department of Materials Science and Engineering ENGINEERING CALCULATORS - GE Plastics, General Electric Company VERY VERY VERY...EXTENSIVE. "The DESIGN TOOLS are estimating tools to help you make your preliminary selection of materials or products, and diagnostic tools to help you evaluate and resolve processing issues..." DESIGN TOOLS & CALCULATORS include: Stiff Calculator; Flow Calculator; Snap Fit Wizard; Fatigue Wizard; Cost Estimator Calculator; GE Therm Calculator; GE Therm Mini Calculator and Quick Calculators (Shear Rate Calculator, Thread Failure Calculator, Weight Calculator, Cross Flow Modulus Calculator, Tooling Volume Calculator, Boss Calculator & Thermal Stress / Expansion Calculator). For more information see GE Plastics POLYMER APPLETS - GuanHua Chen, Department of Chemistry, University of Hong Kong, & Pirika.com VERY EXTENSIVE. For more information see Pirika - Java Chemistry Some examples include Radical Polymerization Simulator Polymer Properties Estimation Monomer properties

Quantum Chemistry THE BOHR ATOM THE BOHR ATOM: ENERGY LEVELS OF THE HYDROGEN ATOM (JAVA APPLET) - G. Anderson, Department of Physics & Astronomy, Northwestern University For more information see The Virtual Physics Laboratory; Undergraduate Physics or the Department of Physics & Astronomy SCHRÖDINGER'S EQUATION 1-DIMENSIONAL PARTICLE STATES APPLET - P. Falstad VERY EXTENSIVE. "...a quantum mechanics simulation that shows the behavior of a single particle in bound states in one dimension. It solves the Schrödinger equation and allows you to visualize the solutions..." For more information see Math & Physics Applets or Paul Falstad's Home Page CLASSICAL WAVEPACKET SOLUTION TO SCHRÖDINGER'S EQUATION - C.W.P. Palmer & J. Paulin, Department of Physics, University of Oxford For more information see How does Quantum Mechanics turn into Classical or the Department of Physics VISUAL SCHRÖDINGER: A VISUALIZER-SOLVER APPLET FOR THE ONE-DIMENSIONAL SCHRÖDINGER EQUATION (JAVA APPLET) - K. Schmidt, Department of Physics and Astronomy, Arizona State University & M.A. Lee, Department of Physics, Kent State University "This Web-based applet numerically solves the one-dimensional Schrödinger equation for a variety of standard Hamiltonians and permits users to define their own potential functions and rapidly display the results. " For more information see Kevin Schmidt's Home Page HEISENBERG'S UNCERTAINTY PRINCIPLE HEISENBERG'S UNCERTAINTY PRINCIPLE (JAVA APPLET) - M. Yoon, Department of Physics, University of Rhode Island For more information see Mirang Yoon's Home Page or the Department of Physics COEFFICIENTS: CLEBSCH-GORDON COEFFICIENT CLEBSCH-GORDON COEFFICIENT CALCULATOR - P.D. Stenvenson, Centre for Nuclear and Radiation Physics, Department of Physics, University of Surrey, U.K. VERY EXTENSIVE. "The calculator evaluates Clebsch-Gordan coefficients which arise in the theory of angular momentum in quantum mechanics..." For more information see Clebsch-O-Matic; Paul D. Stenvenson; Centre for Nuclear and Radiation Physics or the Department of Physics Examples of other Calculators include 3-j Coefficient Calculator (3j symbol calculator) 6-j Coefficient Calculator (6j symbol calculator) 9-j Coefficient Calculator (9j symbol calculator) 3j-SYMBOL CALCULATOR - S.G. Redsun, Santa Fe, N.M. For more information see Java or the Sven Gato Resun's Home Page 369j-SYMBOL CALCULATOR - Plasma Laboratory of Weizmann Institute of Science For more information see Free Software for Atomic and Plasma Physics or the WIS Plasma Laboratory COEFFICIENTS: WIGNER COEFFICIENT CALCULATIONS WIGNER COEFFICIENT CALCULATOR - A. Stone, Department of Chemistry, University of Cambridge "...calculate Wigner 3-j, 6-j and 9-j symbols exactly..." For more information see the Anthony Stone's Home Page or the Department of Chemistry COORDINATES: Z-MATRIX TO CARTESIAN COORDINATE Z-MATRIX TO CARTESIAN COORDINATE (JAVA APPLET) - Shodor Education Foundation, Inc. VERY EXTENSIVE. "...permits you to convert a Z-matrix composed of up to 25 atoms..." For more information see Z-Matrix Lab Procedure; Welcome to the Z-Matrices Lab Activity; ChemViz or the The Shodor Education Foundation, Inc. COHERENT STATES OF QUANTUM HARMONIC OSCILLATOR - GLAUBER STATES COHERENT STATES OF QUANTUM HARMONIC OSCILLATOR (JAVA APPLET) - Author: O. Psencik and modified by L. Kocbach, Atomic Physics, Theoretical Physics Section, Department of Physics, University of Bergen, Norway VERY EXTENSIVE. "...these states of harmonic oscillator, so called coherent states, are known as Glauber states, and they are known as single harmonic oscillator prototypes of the coherent states of oscillating electromagnetic field, which are the model of ideal continuous wave laser field, or an electromagnetic field of unmodulated radio wave..." For more information see Atomic Physics Courses & Demonstrations; Ladislav Kocbach's Home Page or Atomic Physics HILBERT SPACE HILBERT, SIERPINSKI AND PEANO SPACE-FILLING CURVES APPLET - V.B. Balayoghan, Department of Computer Science, University of Texas, Austin, Texas "...draws the sequences of curves that define the 2-dimensional Hilbert, Sierpinski and Peano space-filling curves and several of their variations..." For more information see A Motley Assemblage of Stuff - Java Applets; V.B. Balayoghan's Home Page or the Department of Computer Science KRONIG-PENNEY MODEL KRONIG-PENNEY MODEL (JAVA APPLET) - K. Schmidt, Department of Physics and Astronomy, Arizona State University VERY EXTENSIVE. For more information see Old PHY577 Quantum Mechanics web page or Kevin Schmidt's Home Page MONTY HALL QUANTUM MONTY HALL (JAVA APPLET) - M. Key, Institut für Mathematische Physik, Fachbereich Physik, Technische Universität Braunschweig, Deutschland (Germany) "...simulates directly the stages of the Quantum Monty Hall Problem. It runs in a loop of three frames..." For more information see The Quantum Monty Hall Problem; Michael Key's Home Page; Quanten-Informatik in Braunschweig or the Institut für Mathematische Physik QUANTUM INTERFERENCE METROLOGY WITH QUANTUM INTERFERENCE (JAVA APPLET) - N.Ph. Georgiades, E.S. Polzik & H.J. Kimble, Quantum Optics Group, Norman Bridge Laboratory of Physics, California Institute of Technology, (CIT) VERY VERY EXTENSIVE. "Quantum interference in the rate of two-photon excitation of the 6S1/2 -->6P3/2 -->6D5/2 transition in atomic cesium is exploited to demonstrate phase-sensitive frequency demodulation for an optical interval of +/- 12.5 THz." For more information see Quantum Interference and Frequency Metrology or the Quantum Optics Group RIPPLE TANK SIMULATION - P. Falstad VERY EXTENSIVE. "...demonstrates waves in two dimensions, including such wave phenomena as interference, diffraction (single slit, double slit, etc.), refraction, resonance, phased arrays, and the Doppler effect..." For more information see Math & Physics Applets or Paul Falstad's Home Page TWO-PHOTON QUNATUM INTERFERENCE CALCULATOR (JAVA APPLET) - N.Ph. Georgiades, E.S. Polzik & H.J. Kimble, Quantum Optics Group, Norman Bridge Laboratory of Physics, California Institute of Technology, (CIT) "Here, we present an interactive "Quantum Interference Calculator" which allows the user to change several parameters of the problem and calculate characteristics of the resulting Quantum Interference." For more information see Quantum Interference and Frequency Metrology or the Quantum Optics Group SUPERPOSITION OF TWO WAVES (JAVA APPLET): MIRROR SITE - Z. Gong Multimedia Interactive Tutorial. "It often happens that two or more waves pass simultaneously through the same region." QUANTUM BARRIER PENETRATION/TUNNELING QUANTUM TUNNELING (SHOCKWAVE) - D. Zollman, W. Axmann, B. Grabhorn, C. Regehr & P. Donovan, Department of Physics, Kansas State University VERY EXTENSIVE. Multimedia Interactive Tutorials. For more information see Quantum Mechanics On-Line Interactive Programs or Visual Quantum Mechanics TUNNELING OR BARRIER PENETRATION - J.L. Richardson, Department of Physics, Mississippi State University "This applet simulates the behavior of a wave packet when it encounters a potential energy barrier or well..." For more information see Contemporary College Physics Simulation library or WebPhysics at Mississippi State University QUANTUM MECHANICS INTERACTIVE PROGRAMS QUANTUM MECHANICS ON-LINE INTERACTIVE PROGRAMS (SHOCKWAVE) - D. Zollman, W. Axmann, B. Grabhorn, C. Regehr & P. Donovan, Department of Physics, Kansas State University Multimedia Interactive Tutorials. For more information see Visual Quantum Mechanics Some examples of Shockwave interactive tutorials/calculators include Quantum Tunneling Energy Band Creator Wave Packet Explorer

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