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www.rsc.org/learn-chemistry/resource/res00000739/endothermic-solid-solid-reactions

In this demonstration you can observe an endothermic reaction. Solid hydrated barium hydroxide is mixed with solid ammonium chloride in a beaker. The liquid produced evolves ammonia gas and the temperature drops dramatically to about -20 °C.

www.quora.com/Why-is-reaction-of-ammonium-chloride-with-water-endothermic

When discussing this question, one needs to think about all the processes involved (or at least those that account for most of what happens). In general, any process will occur spontaneously, if ΔG[math]ΔG[/math] is negative. To determine ΔG[math]...

chemistry.stackexchange.com/questions/58325/the-dissolution-of-ammonium-chloride

The dissolution of ammonium chloride is used to cool a container of water placed in the solution. It's an endothermic process. What absorbs the heat and what loses it?

www.reference.com/science/reaction-ammonium-chloride-water-c350a9b6c62784d9

Ammonium chloride and water react to yield ammonium hydroxide and hydrochloric acid. Ammonium chloride is called an acid salt, as it is the combination of strong acid and a weak base. The hydrolysis of an acidic salt, such as ammonium chloride, is an endothermic reaction.

www.chegg.com/homework-help/ammonium-chloride-nh4cl-dissolved-water-solution...

When ammonium chloride (NH 4 Cl) is dissolved in water, the solution becomes colder.. a. Is the dissolution of ammonium chloride endothermic or exothermic? b. What can you say about the relative magnitudes of the lattice energy of ammonium chloride and its heat of hydration?

www.youtube.com/watch?v=GQkJI-Nq3Os

The reaction between ammonium chloride and barium hydroxide is endothermic, and cools down the wet wooden block beneath the beaker enough to freeze the water, sticking the beaker to the wooden block.

en.wikipedia.org/wiki/Ammonium_chloride

Ammonium chloride is an inorganic compound with the formula NH 4 Cl and a white crystalline salt that is highly soluble in water. Solutions of ammonium chloride are mildly acidic. Sal ammoniac is a name of the natural, mineralogical form of ammonium chloride. The mineral is commonly formed on burning coal dumps from condensation of coal-derived ...

www.thoughtco.com/endothermic-reaction-demonstration-604251

An endothermic process or reaction absorbs energy in the form of heat (endergonic processes or reactions absorb energy, not necessarily as heat).Examples of endothermic processes include the melting of ice and the depressurization of a pressurized can.

sciencing.com/happens-add-ammonium-nitrate-water-8262206.html

While some heat is produced when the ammonium nitrate ions interact with the water molecules (i.e., an exothermic reaction), it is a lot less than what is needed for the water molecules to disperse the strong ionic bonds of the ammonium nitrate, so the overall process is an endothermic reaction, or one that absorbs energy from its surroundings.

bemercurial.com/ice-packs-an-endothermic-reaction

Introduction Endothermic reactions are accompanied by the absorption of heat. The dissolving of ammonium nitrate in water is an example of an endothermic reaction. The solution resulting from this mixture is colder than either the ammonium nitrate or the water. This is the simple explanation of what happens in an instant ice pack.