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Chemistry Vocab

QuestionAnswer
Combination or Synthesis Exothermic (generate energy ) chemical reaction is negative examples Akali metals and halogen metal and non metal
Decomposition Single reactnatn Endothermic chemical reaction energy is positivie need catalyst, heat or electric examples hydrogen peroxide (H202) breaking into water (H20)
Combustion high temperature chemical reaction where a substance combines usually with oxygen to produce heat, light, and new products like carbon dioxide and water examples burning natural gas (methane, CH4)
Replacment single reactions and products consist of 1 element 1 compound exothermic (release energy) reactive mental/ element will displace less reaction (activity series) use to predict of a reaction will occur or not examples Zinc (Zn reacting with copper III)
Replacement exchange positive ions between 2 compound often in ionic aqueous solutions often form a precipitate a gas or a molecular compound Ico-valance bonds Barium Chloride + Sodium Sulfate to Barium Salfate (precipitate).
Created by: cowlemir00
 

 



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