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Reactions of barium hydroxide with ammonium salts are strongly endothermic. The reaction of barium hydroxide octahydrate with ammonium chloride [18] [19] or [20] ammonium thiocyanate [20] [21] is often used as a classroom chemistry demonstration, producing temperatures cold enough to freeze water and enough water to dissolve the resulting mixture.
Ammonium chloride pyrolyses and reforms into ammonium-chloride smoke after cooling. Ammonium chloride appears to sublime upon heating but actually reversibly decomposes into ammonia and hydrogen chloride gas: [3] NH 4 Cl ⇌ NH 3 + HCl. Ammonium chloride reacts with a strong base, like sodium hydroxide, to release ammonia gas: NH 4 Cl + NaOH ...
Americium(III) chloride – AmCl 3; Ammonium chloride – [NH 4]Cl; Antimony(III) chloride – SbCl 3; Antimony(V) chloride – SbCl 5; Arsenic(III) chloride – AsCl 3; Barium chloride – BaCl 2; Beryllium chloride – BeCl 2; Bismuth(III) chloride – BiCl 3; Boron trichloride – BCl 3; Bromine monochloride – BrCl; Cadmium chloride ...
barium hydroxide: 17194-00-2 BaO 2: barium peroxide: 1304-29-6 Ba(PO 3) 2: barium metaphosphate: 13466-20-1 BaS: barium sulfide: 21109-95-5 Ba(SCN) 2: barium thiocyanate: 2092-17-3 BaS 2 O 3: barium thiosulfate: 35112-53-9 BaSiF 6: barium hexafluorosilicate: 17125-80-3 BaSO 3: barium sulfite: 7787-39-5 BaSO 4: barium sulfate barite: 7787-43-7 ...
Substance Formula 0 °C 10 °C 20 °C 30 °C 40 °C 50 °C 60 °C 70 °C 80 °C 90 °C 100 °C Barium acetate: Ba(C 2 H 3 O 2) 2: 58.8: 62: 72: 75: 78.5: 77: 75
This page provides supplementary chemical data on barium hydroxide. Material Safety Data Sheet SIRI ... Δ f H o gas: −626.56 kJ/mol Standard molar entropy, S o gas ...
Gas N 2: 0 Ammonia (ammonium hydroxide) Aqueous NH 3 (NH 4 OH) −80.8 Ammonia: Gas NH 3: −46.1 Ammonium nitrate: Solid NH 4 NO 3: −365.6 Ammonium chloride: Solid NH 4 Cl −314.55 Nitrogen dioxide: Gas NO 2: 33.2 Hydrazine: Gas N 2 H 4: 95.4 Hydrazine: Liquid N 2 H 4: 50.6 Nitrous oxide: Gas N 2 O 82.05 Nitric oxide: Gas NO 90.29 ...
The energy released by the solvation of the ammonium ions and nitrate ions is less than the energy absorbed in breaking up the ammonium nitrate ionic lattice and the attractions between water molecules. Dissolving potassium hydroxide is exothermic, as more energy is released during solvation than is used in breaking up the solute and solvent.