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The dissolution is endothermic.
It is not a chemical reaction, it is dissolution; this physical process is exothermic.
Dissolution of sodium chloride in water is an exothermic process.
endothermic but don't know why? As AN crystals are formed the reaction is exothermic. Endothermic when it melts back with water. This is the reason AN is used in cold packs.
Exothermic reaction
The dissolution is endothermic.
The dissolution of potassium nitrate in water is an endothermic process.
It is not a chemical reaction, it is dissolution; this physical process is exothermic.
Dissolution of sodium chloride in water is an exothermic process.
When ammonium chloride dissolves in water, it is not a reaction at all, but only a dissolution. Since the solution formed feels cold, the dissolution is endothermic, absorbing heat from its surroundings.
endothermic but don't know why? As AN crystals are formed the reaction is exothermic. Endothermic when it melts back with water. This is the reason AN is used in cold packs.
The process is endothermic because the water is absorbing heat from the kettle. When energy (heat) is released as steam this is exothermic.
Exothermic reaction
exothermic
Because one of the two endothermic steps (separation of the solute particles) in the solution-formation process is unnecessary.
H2O + Na2SO4 = Exothermic reaction
The reaction is very exothermic.