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give some examples for endothermic reactions?
An endothermic reaction is any chemical reaction that absorbs heat from its environment.
 Endothermic Chemical Reactions
  • reaction of barium hydroxide octahydrate crystals with dry ammonium chloride.
  • dissolving ammonium chloride in water.
  • reaction of thionyl chloride (SOCl2) with cobalt(II) sulfate heptahydrate.
  • mixing water and ammonium nitrate.
  • mixing water with potassium chloride.
  • reacting ethanoic acid with sodium carbonate.
  • photosynthesis (chlorophyll is used to react carbon dioxide plus water plus energy to make glucose and oxygen).

   
   
   
  
   
   
   



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