Endothermic Chemical Reactions. the reaction of barium hydroxide octahydrate crystals with dry ammonium chloride. dissolving ammonium chloride in water. the reaction of thionyl chloride (SOCl2) with cobalt(II) sulfate heptahydrate. mixing water and ammonium nitrate. mixing water with potassium chloride.
Gelatin is available in the market both in the powdered form and in sheet form. Pigskin gives gelatin with each processing, but the highest quality of gelatin is one that is obtained with first time processing of pigskin. This gelatin has a great gelling capacity and is almost clear. It also has a mild flavor.
An upturned vial of hair gel. A gel is a solid jelly-like material that can have properties ranging from soft and weak to hard and tough. Gels are defined as a substantially dilute cross-linked system, which exhibits no flow when in the steady-state.