Question

When solid barium hydroxide is mixed in a beaker with solid ammonium thiocyanate, a reaction occurs. The breaker get very cold. Is the reaction endothermic or exothermic?

Answer 1

(Ba(OH)2.8H2O) and ammonium thiocyanate (NH4SCN) are mixed in a beaker, which is then placed on a few drops of water on a small board. The reaction that occurs is highly endothermic, and it causes the beaker to freeze to the board