Consider the sublimation of iodine at 25.0 oC: a. Find at

Chapter 17, Problem 65E

(choose chapter or problem)

Consider the sublimation of iodine at \(25.0^{\circ} \mathrm{C}\):

\(\mathrm{I}_{2}(s) \longrightarrow \mathrm{I}_{2}(\mathrm{g})\)

a. Find \(\Delta G_{\mathrm{rxn}}^{\circ}\) at \(25.0^{\circ} \mathrm{C}\).

b. Find \(\Delta G_{\mathrm{rxn}}\) at \(25.0^{\circ} \mathrm{C}\) under the following nonstandard conditions:

\(\begin{array}{l}\text{i } \quad P_{\mathrm{I}_{2}}=1.00 \mathrm{mmHg}\\\text{ii } P_{\mathrm{I}_{2}}=0.100 \mathrm{mmHg}\end{array}\)

c. Explain why iodine spontaneously sublimes in open air at \(25.0^{\circ} \mathrm{C}\).

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