Ammonium Nitrate Is an Ingredient in Cold Packs Used by Sports

question 188

Short Answer

Ammonium nitrate is an ingredient in cold packs used by sports trainers for injured athletes.Calculate the change in temperature when 42 g of ammonium nitrate (NH₄NO₃, 80.1 g/mol) dissolves in 250 g water.Assume the specific heat of the solution is 4.18 J/(g . $\degree$ C).

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