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16.4 Exercise 8

Avg difficulty 2.5

Consider the decomposition of red mercury(II) oxide under standard state conditions.
2HgO(s,red)⟶2Hg(l)+O2(g)\text{2HgO} \left(s , \text{red}\right) \rightarrow \text{2Hg} \left(l\right) + \text{O}_{2} \left(g\right)

(a) Is the decomposition spontaneous under standard state conditions?

(b) Above what temperature does the reaction become spontaneous?

OpenStax Chemistry 2e, 16.4 Free Energy, exercise 8

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Adapted from General Chemistry © 2019 Rice University. Licensed under CC BY 4.0. Sources: Chemistry 2e, Chemistry: Atoms First 2e. Imported at revision 32c7196.