Thursday, May 8, 2014

I am doing an entropy lab and my lab group is using NH4Cl (s) and H2O (l) to make an endothermic reaction. I need to know the products of the...

What you are doing is not really an endothermic reaction
but rather a "heat of solution" lab.  When you dissolve NH4Cl in water you get a
solution of NH4+ and Cl- ions in water and a large amount of energy is absorbed when the
NH4Cl dissolves. So basically you have the ammonium chloride solid dissociating in water
to form positive and negative ions.

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