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When solid ammonium chioride, NH4Cl, is added to water, the temperature of the solution decreases. Which statement best describes this observation? Select one: 3. NH4Cl(s)+H2Ol)NH4Cl(aq)8H=+33.6kJ

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When solid ammonium chioride, NH4Cl, is added to water, the temperature of the solution decreases. Which statement best describes this observation? Select one: 3. NH4Cl(s)+H2Ol)NH4Cl(aq)8H=+33.6kJ b. NH4Cl(s)+H2O(l)NH4Cl(aq)+33.6kJ c. The reaction is exothermic. d. NH4Cl s) does not dissolve in water

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