World of Carbon

Applets for the Allotropes of Carbon Module

Determining Physical Constants from Physical Measurements.

Determination of Avogadro's Number using Graphite.

Determining the Value of the Universal Gas Constant.

Structure of Materials

Interactive 3-Dimensional View of Graphite Crystal Lattice.

Interactive 3-Dimensional View of Diamond Crystal Lattice.

Interactive 3-Dimensional View of Buckminsterfullerene Molecule

Interpreting the Scanning Tunneling Microscope Image of Graphite.

Measuring the Layer Repeat Distance of Graphite using a Transmission Electron Microscopy Image.

Crystal Planes for Cubic Unit Cell.

Atoms on Crystalline Planes of Primitive-Cubic Unit Cell along the <100> Axis.

Atoms on Crystalline Planes of Primitive-Cubic Unit Cell along the <110> Axis.

Atoms on Crystalline Planes of Primitive-Cubic Unit Cell along the <111> Axis.

Atoms on Crystalline Planes of Body-Centered-Cubic Unit Cell along the <100> Axis.

Atoms on Crystalline Planes of Body-Centered-Cubic Unit Cell along the <110> Axis.

Atoms on Crystalline Planes of Body-Centered-Cubic Unit Cell along the <111> Axis.

Atoms on Crystalline Planes of Face-Centered-Cubic Unit Cell along the <100> Axis.

Atoms on Crystalline Planes of Face-Centered-Cubic Unit Cell along the <110> Axis.

Atoms on Crystalline Planes of Face-Centered-Cubic Unit Cell along the <111> Axis.

Crystal Planes for Hexagonal Unit Cell.

Density of Materials

Calculation of Density for Diamond, Graphite, and Buckminsterfullerene using X-Ray Data.

Determining the Mass Density of a Piece of Graphite.

Measuring of Density using Archimede's Principle (Displacement technique).

Optical Properties

Exploring the Diffraction of Visible Light.

Index of Refraction for Diamond and other Substances (Snell's and Fresnel's Law).

Absorption of Light (Beer's Law).

Mechanical Properties

Elasticity Testing, Spring Constant, and Resonant Frequency of a Cantilever.

Brinell Hardness Test Calculator

Knoop Hardness Test Calculator

Vicker Hardness Test Calculator

Stress Vs Strain Diagram for a Tensile Substance.

Stress Vs Strain Diagram for a Brittle Substance.

Electrical and Magnetic Properties

Electrical Resistance Calculator.

Thermal Properties

Determining the Specific Heat of a Substance.

Phases of Materials

Phase Diagram for a Pure Substance.

Interactive Thermometer.

Calculator for Vapor Pressure over Liquid.

Calculator for Vapor Pressure over Solid.

Graphical Trend of Vapor Pressure over Liquid.

Graphical Trend of Vapor Pressure over Solid.

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