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A student masses 5.34 g of NH4Cl, and adds it to a calorimeter containing 100.0 mL...

A student masses 5.34 g of NH4Cl, and adds it to a calorimeter containing 100.0 mL of water at 21.0 oC. As the salt dissolves, the temperature drops to 17.6 oC. Calculate the ΔHsol of ammonium chloride in kJ/mol. Is the process endothermic or exothermic? Explain.
Density of water 1.00g/mL. Specific heat of water = 4.184 J/g oC

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Valume of water X Demsiby 100 ml X DO /ml mas of waler the ammount f heat ahsanhed/tost by First, calclate watr by using hisSOJ Em.c AJ x 4184 Jx_ (17-6 21)C C 100 X 4:184 J x (-3.4 C) V100 - 14-22 56 J Megative signindicate that heat islast by watt

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