Question

啾咪

熱力學

->
3.
=
The element oxygen was prepared by heating mero
ercury(II) oxide: HgO(s) Hg(1) + (1/2)O2(g),
AH 90.84 kJ/mol. Estimate the temperature at which this reaction will become
spontaneous under standard state conditions. The entropies of Hg, O2 and HgO are 76.02,
205.0 and 70.29 J/Kºmol, respectively. (A) 108 K, (B) 430 K, (C) 620 K, (D) 775 K, (E) 840 K.