Sublimation is the process of changing phases directly from a solid to a gas. Calculate DH°_sub for elemental iodine.

Question

Quizplus · Accepted Answer

The enthalpy change for sublimation ($ \Delta H_{sub} $) is a positive value because energy is required to convert a solid directly into a gas, indicating an endothermic process. Therefore, the correct answer is 62.44 kJ/mol, which is a positive value reflecting the energy input needed for sublimation.

Sublimation Is the Process of Changing Phases Directly from a Solid