The element oxygen was prepared by Joseph Priestley in 1774 by heating mercury(II) oxide: HgO(s) →...

Question

Question

The element oxygen was prepared by Joseph Priestley in 1774 by heating mercury(II) oxide:

HgO(s) → Hg(l) + ½O2(g) ΔH° = 90.84 kJ/mol. (S values from tables)

Will this be spontaneous at 600oC? What about 800oC?

In each case, show appropriate calculations to support your assessment.

Answer 1

Answer #1

Answer 2

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