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Steam and Superheated Steam Water is boiled and the steam is collected and run through a coil of copper tubing. When a gas burner heats the steam coil strongly, the steam becomes superheated and is at a high enough temperature to ignite a match and react quickly with steel wool.
Phase Changes By using a coolant at a temperature below the boiling point of the gases chlorine, bromine and iodine, the gases are condensed into liquid form.
Magnetized Water: Science or Fraud?L. Lahuerta Zamora, G. M. Antón-Fos, P. A. Alemán López, and R. V. Martin Algarra Commercial water magnetizers provide a unique opportunity to help university and secondary students develop appropriate skepticism against extraordinary claims and use testing as the basis for their scientific evaluation. Lahuerta Zamora, L.; Antón-Fos, G. M.; Alemán López, P. A.; Martin Algarra, R. V. J. Chem. Educ.2008, 85, 1416.
Aqueous Solution Chemistry |
Magnetic Properties |
pH |
Titration / Volumetric Analysis |
Water / Water Chemistry
Fog Machines, Vapors, and Phase DiagramsEd Vitz This series of demonstrations elucidate the operation of commercial fog machines using common laboratory materials and can be adapted for elementary through tertiary levels. The formation of fogs is discussed in terms of the phase diagram for water and other chemical principles. Vitz, Ed. J. Chem. Educ.2008, 85, 1385.
Liquids |
Phases / Phase Transitions / Diagrams |
Physical Properties |
Water / Water Chemistry
Polymeric, Metallic and Other Glasses in Introductory ChemistryStephen J. Hawkes Polymeric, metallic, and other glasses and their importance are described in a manner suitable for introductory chemistry. Hawkes, Stephen J. J. Chem. Educ.2008, 85, 1377.
Steam (GCMP)David M. Whisnant Steam: this is a resource in the collection "General Chemistry Multimedia Problems". We observe two videos of steam produced by boiling water. The steam is channeled through a copper coil which will be heated. General Chemistry Multimedia Problems ask students questions about experiments they see presented using videos and images. The questions asked apply concepts from different parts of an introductory course, encouraging students to decompartmentalize the material.
Water / Water Chemistry |
Phases / Phase Transitions / Diagrams
Phase TransitionsEd Vitz, John W. Moore A section of ChemPrime, the Chemical Educations Digital Library's free General Chemistry textbook.
Phases / Phase Transitions / Diagrams
Phase DiagramsEd Vitz, John W. Moore A section of ChemPrime, the Chemical Educations Digital Library's free General Chemistry textbook.
