Solid NH₄NO₃ dissolves in water with

CHEMISTRY · Subjective · AP · Chemistry · Chemical Reactions · Chemical Reactions

Problem

Solid NH₄NO₃ dissolves in water with ΔH=+26 kJ mol−1\Delta H = +26\,\text{kJ mol}^{-1}. Based solely on this enthalpy value, should the dissolution be classified as a physical change, a chemical change, or a combination of both? Briefly justify your choice.

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