Basic chemistry

What is an Endothermic reaction?

Endothermic reaction examples?

Examples of endothermic reactions,process and project

Examples of endothermic reactions

An endothermic reaction is a chemical reaction that absorbs heat from its environment. The absorbed energy provides the activation energy for the reaction to take place. A characteristic of this type of reaction is that it is cold. Here is a list of examples of endothermic reactions. You can use these when asked to cite an example or get ideas for setting up a demonstration of an endothermic reaction or process.

Endothermic chemical reactions

A good example of an endothermic reauction involves dissolving a salt. It does not have to be table salt, nor should the solvent be water.

  • the reaction of barium hydroxide octahydrate crystals with dry ammonium chloride
  • dissolve ammonium chloride in water
  • reaction of thionyl chloride (SOCl 2 ) with cobalt (II) sulfate heptahydrate
  • mixture of water and ammonium nitrate
  • mix water with potassium chloride
  • reaction of ethanoic acid with sodium carbonate
  • photosynthesis (chlorophyll is used to react carbon dioxide plus water and energy to produce glucose and oxygen).These are the examples of chemical processes accociated with endothermic reactions.

Endothermic processes

These examples could be written as chemical reactions , but are more generally considered as endothermic or heat-absorbing processes:these processes absorbs energy from their surroundings so they are considered as cooling processes.

  • melt ice cubes
  • melt the solid salts
  • liquid water evaporation
  • conversion of gel to water vapor (melting, boiling and evaporation, in general, are endothermic processes)
  • make an anhydrous salt from a hydrate
  • form a cation from an atom in the gas phase
  • split a gas molecule
  • separate ion pairs
  • cook an egg
  • baking bread

Cold projects Of endothermic reactions ,process and examples you can try

Some chemistry projects involve endothermic reactions which are listed below :

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