Introduction to the Chemistry of Explosives

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Author:
bkkrafft
ID:
56139
Filename:
Introduction to the Chemistry of Explosives
Updated:
2010-12-14 23:41:55
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BU Forensic Chemistry
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Explosives
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  1. What are the 4 criteria required for a chemical to be an explosive?
    • initiation of reaction
    • rapidity of reaction
    • formation of gases
    • evolution of heat
  2. When the fuel and oxygen sources are physically mixed and the oxygen atom combines with another atom other than itself and can be made to explode, it is known as a ____ explosive.
    Low
  3. When the oxygen and fuel can be combined within the same molecule and can result in detonation, it is known as a _____ explosive.
    high
  4. T/F: Rapid combustions are also known as explosions.
    True!
  5. T/F: Low explosives detonate and high explosives deflagrate.
    False! Low explosives deflagrate and high explosives detonate.
  6. A substance that decomposes rapidly but does not explode under normal conditions is what kind of explosive?
    Low
  7. Black powder, flash powder, and smokeless powder are all examples of what type of explosive?
    Low
  8. A substance that detonates at rates of 3,000+ meters per second is known as what kind of explosive?
    High
  9. T/F: Most high explosives are compounds.
    True!
  10. According to what criteria are high explosives divided into the primary, secondary, and tertiary groups?
    sensitivity to shock, friction, and heat
  11. ______ is a rapid burning process, a subsonic explosion.
    Deflagration
  12. _______ is a sustained shockwave capable of producing a powerful blast effect; a supersonic explosion.
    Detonation
  13. What does ANFO stand for? What type of explosive is it?
    • Ammonium nitrate #2 fuel oil
    • tertiary
  14. PETN is also known as what?
    detonation cord
  15. DADP and TATP are both ______, _____-sensitive explosives.
    • primary
    • shock
  16. Which explosives has an appearance very similar to the packages of Jimmy Dean sausage meat?
    TOVEX
  17. What does OB% express?
    This is the oxygen balance and it is an expression used to indicate the degree to which an explosive can be oxidized.
  18. An explosive's sensitivity and strength approach their maximum as the oxygen balance approaches _____.
    Zero

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