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  2. High explosive violent reaction - Wikipedia

    en.wikipedia.org/.../High_explosive_violent_reaction

    Combustion dispersal due to burning of the HE and SNM (approximately 0.1% aerosolization); and; HEVR dispersal defined as an explosion or "violent" reaction that outside of a laboratory or test-range environment can only be described as a continuum from violent deflagration to detonation (assumed 100% aerosolization).

  3. Contact explosive - Wikipedia

    en.wikipedia.org/wiki/Contact_explosive

    A contact explosive is a chemical substance that explodes violently when it is exposed to a relatively small amount of energy (e.g. friction, pressure, sound, light). Though different contact explosives have varying amounts of energy sensitivity , they are all much more sensitive relative to other kinds of explosives.

  4. Water-reactive substances - Wikipedia

    en.wikipedia.org/wiki/Water-reactive_substances

    Water-reactive substances [1] are those that spontaneously undergo a chemical reaction with water, often noted as generating flammable gas. [2] Some are highly reducing in nature. [3] Notable examples include alkali metals, lithium through caesium, and alkaline earth metals, magnesium through barium.

  5. Boiling liquid expanding vapor explosion - Wikipedia

    en.wikipedia.org/wiki/Boiling_liquid_expanding...

    A BLEVE–fireball at the Philadelphia Energy Solutions refinery, as rendered by the CSB. A boiling liquid expanding vapor explosion (BLEVE, / ˈ b l ɛ v iː / BLEV-ee) is an explosion caused by the rupture of a vessel containing a pressurized liquid that is or has reached a temperature sufficiently higher than its boiling point at atmospheric pressure.

  6. Deflagration to detonation transition - Wikipedia

    en.wikipedia.org/wiki/Deflagration_to_detonation...

    In technical terms, the reaction zone (chemical combustion) is a self-driven shock wave where the reaction zone and the shock are coincident, and the chemical reaction is initiated by the compressive heating caused by the shock wave. The process is similar to ignition in a Diesel engine, but much more sudden and violent.

  7. Exothermic process - Wikipedia

    en.wikipedia.org/wiki/Exothermic_process

    In thermodynamics, an exothermic process (from Ancient Greek έξω (éxō) 'outward' and θερμικός (thermikós) 'thermal') [1] is a thermodynamic process or reaction that releases energy from the system to its surroundings, [2] usually in the form of heat, but also in a form of light (e.g. a spark, flame, or flash), electricity (e.g. a ...

  8. Template:NFPA 704 diamond - Wikipedia

    en.wikipedia.org/wiki/Template:NFPA_704_diamond

    1: Instability 1: Normally stable, but can become unstable at elevated temperatures and pressures. E.g. calcium code I: 2: Instability 2: Undergoes violent chemical change at elevated temperatures and pressures, reacts violently with water, or may form explosive mixtures with water. E.g. white phosphorus code I: 3

  9. Single displacement reaction - Wikipedia

    en.wikipedia.org/wiki/Single_displacement_reaction

    A single-displacement reaction, also known as single replacement reaction or exchange reaction, is an archaic concept in chemistry. It describes the stoichiometry of some chemical reactions in which one element or ligand is replaced by atom or group. [1] [2] [3] It can be represented generically as: + +

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