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  Home > JCE Print > Journal of Chemical Education > Issues > 2003  > December  >
In the Classroom
The Relative Explosive Power of Some Explosives
Marten J. ten Hoor
J.W. Frisolaan 40, 9602 GJ Hoogezand, The Netherlands
Cover
December 2003
Vol. 80 No. 12
p. 1397
Abstract
The efficiency of an explosive is measured by its relative explosive power, REP. This quantity is defined as REP = QVg/m2, where Q is the energy released in the explosion, Vg is the total volume (at STP) of gas produced, and m is the mass of the explosive that has reacted. These three quantities can be determined from the explosion equation of the explosive. For some explosives no unambiguous explosion equation can be given, but 'fairly good approximations' may be obtained, on the basis of sets of rules. REP values have been calculated for three types of explosives: pure explosives, mixtures of pure explosives, and possible future explosives. Factory-made pure explosives have a REP value of about 4.5 kJ L/g2, but those that would cause a real big bang have not yet been made.
More Information
*  Citation
 ten Hoor, Marten J. J. Chem. Educ. 2003 80 1397.
*  Keywords
 Gases; General Chemistry; Redox Reactions; Safety / Hazardous Substances
*  History
 Created:
Last Updated:		 October 31, 2003
February 28, 2005
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