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Discusses the limitations of Arrhenius’ Theory and shows how a new theory involving proton transfer (the Bronsted-Lowry Theory) explains these limitations. Explains acids and bases and their conjugates,...
Shows the two most commonly occurring acid-base disturbances, respiratory and metabolic acidosis. Respiratory acidosis is shown in a patient who has a flail chest after a motor accident and metabolic...
Four 6th form students investigate the rights of citizens to protest in a democratic society. Set at the Faslane nuclear submarine base, the students interview all those involved in a protest campaigning for...
In April 2000 the fence finally came down round Greenham Common air base. This short film tells the story of how a US Air Force base with 96 nuclear cruise missiles came to be returned to the people after 20...
Jacques Cousteau won Best Documentary Feature Academy Award for his 1964 film WORLD WITHOUT SUN, which documents an experiment in which a team of divers, scientists and engineers attempt to live for a month...
About the 1957-58 crossing of the Antarctic continent. Tells how eight men of the Commonwealth Trans Antarctic Expedition’s advance party made landfall on the coast of Antarctica and established the base...
Suitable for KS3 students, this DVD introduces acids and bases, and outlines their physical and chemical properties. It deals with the following topics: · What are acids? - an introduction to the...
These three video programmes and the CD-ROM form part of the Vischem research and development project for the production of teaching resources in chemistry based on chemical and education research. The...
Demonstrates the structure of the compound microscope and shows the major parts including the eyepiece, tube, arm, base, nosepiece, objectives, condenser and diaphragm. The video then follows a student...
Principle of a single-focusing mass spectrometer, production of a mass spectrum, the line diagram, base peak and molecular ion, summary of information which can be obtained from mass spectrometry.
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