At 600?C, the Equilibrium Constant for the Reaction
2HgO(s) $f$

At 600?C, the equilibrium constant for the reaction
2HgO(s) $f$
2Hg(l) + O₂(g)
Is 2.8.Calculate the equilibrium constant for the reaction $\frac { 1 } { 2 }$
1/2O₂(g) + Hg(l)
$f$
HgO(s)

A) -1.7
B) 1.1
C) 0.60
D) 0.36
E) 1.7