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The reaction between Ammonium chloride and Barium hydroxide is an endothermic reaction.
BaOH2+2NH4ClBaCl2+2NH3+2H2O
Because Ammonium Chloride is slightly acidic and Barium Hydroxide is extremely basic, an acid-base reaction will occur.
In the manufacture of sodium carbonate from NaCl, this process is employed to recover ammonia.
The reaction is endothermic.
Endothermic reactions are chemical reactions that make chemicals by absorbing heat from the environment. By lowering the temperature of the surrounding environment, these processes produce a cooling effect.
Heat is absorbed from the environment by the system.
The entropy of the environment falls (ΔS<0).
The change in enthalpy (ΔH) is positive.
