Question

24 gram of Barium oxide with 24 g of ammonium chloride thirty one gram of barium chloride + 7 gram of water and x g of ammonium find x​

Answer 1

Bottom of test tube will feel cold. During the reaction, heat is absorbed. The reaction is endothermic.

Ba(OH)2+2NH4Cl+ heat →BaCl2+2NH3+2H2O