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Answer to Question #23775 in Inorganic Chemistry for jayan ramdin

Question #23775
explain difference between sublimation and thermal dissociation of ammonium chloride
Expert's answer
Thermal dissociation is the breaking apart of a molecule's bonds due to the introduction of heat.

NH4Cl --> NH3 + HCl

Sublimation is the transition of a substance directly from the solid phase to the gas phase without passing through an intermediate liquid phase. Sublimation is an endothermic phase transition that occurs at temperatures and pressures below a substance's triple point in its phase diagram.

NH4Cl (s) <=> NH4Cl (liq)

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