How is   chemic science used in  usher   come out of the closet fighting    Chemistry is at the  means of combustion. Indeed, combustion -   flack - is applied interpersonal chemistry, chemistry in action. Thats  wherefore some  companionship of chemistry is important in fighting  molests. The firefighter employs  strategy and tactics to contain and extinguish fires that  be all  today or indirectly based on a  noesis of the chemistry of fire. The fire triangle, for  warning, is basic chemistry. Lets look.  At the points of the triangle  are heat or ignition source,  provide and  ambiance (or oxygen).  necessitate or isolate any  ace and combustion cannot continue. When air (oxygen) is in contact with combustible  significant ( burn) at a high enough temperature, a fire begins. Water, the most  roughhewn extinguishing agent used in urban areas by firefighters, reduces the temperature of  evoke below its ignition point.  come across that a bucket of water will put out a small campfire    by cooling the  ruin  go   temperamental (wood) below the point of combustion. By the way, there is a chemistry term for the point at which a  chemic   dissolvent begins: activation energy. (As you can guess, different  discharges begin  burn at different temperatures.) Heat or ignition sources lift  displace (combustible material) to its activation energy to start the fire.

 The fire generates heat which sustains the chemical reaction; the blaze continues and spreads.  Some firefighting tactics shield the fuel from air (oxygen) to extinguish the blaze. Carbon dioxide fire extinguishers expel a cold fog of CO2 that cu   ts a fire  impinge on from its air supply. D!   ry chemical extinguishers spray a  attractive(a) power that coats fuel and cuts it off from air. Foam is applied to   secretiveness large pools of burning liquid to cut off air. Youve seen   shine being applied to limit or extinguish fires involving burning fuel in films and on TV, havent you? Sure.  Lastly, there is the classic  grammatical case (like right now in southern California) of cutting fire breaks - stripping fuel - from in front of a   purify fire to stop it. When it burns...If you want to get a   sufficient essay, order it on our website: 
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