(NH₄)₂CO₃ + 2 HBr → 2 NH₄Br + CO₂ + H₂O

Reactants:

• (NH₄)₂CO₃ – Ammonium carbonate
  • Other names: B , Aker's ammonia|sal volatile|salt of hartshorn|E503}} , Baker's ammonia ... show moreSal volatile , Salt of hartshorn , E503(i) , E503i , Diammonium carbonate show less
  • Appearance: White powder
• HBr – Hydrogen bromide , Bromane
  • Other names: Hydrobromic acid , Hydronium bromide , HBr ... show moreAnhydrous hydrogen bromide , Aqueous hydrogen bromide show less
  • Appearance: Colorless gas ; Colorless/faint yellow liquid ; Colourless compressed liquefied gas with pungent odour ; Colorless gas with a sharp, irritating odor. [Note: Shipped as a liquefied compressed gas. Often used in an aqueous solution.]

Products:

• NH₄Br – Ammonium bromide
  • Other names: NH4Br
  • Appearance: White powder, hygroscopic
• CO₂
  • Names: Carbon dioxide , {{plainlist| , CO2 ... show moreCarbonic acid gas , Dry ice , [CO2] , Carbonic anhydride , R-744 , E-290 , E 290 , E290 , Carbonic acid anhydride , Carbon-12 dioxide , Methanedione , Carbon oxide , CO₂ , [Note: Normal constituent of air (about 300 ppm)]. show less
  • Appearance: Colorless gas ; Odourless colourless compressed liquefied gas ; Colorless, odorless gas. [Note: Shipped as a liquefied compressed gas. Solid form is utilized as dry ice.]
• H₂O – Water, oxidane
  • Other names: Water (H2O) , Hydrogen hydroxide (HH or HOH) , Hydrogen oxide ... show moreDihydrogen monoxide (DHMO) (systematic name) , Hydrogen monoxide , Dihydrogen oxide , Hydric acid , Hydrohydroxic acid , Hydroxic acid , Hydrol , Μ-oxido dihydrogen , Κ1-hydroxyl hydrogen(0) show less
  • Appearance: White crystalline solid, almost colorless liquid with a hint of blue, colorless gas