Question

At 700 K, Kpfor the following equilibrium is 5.6 x 10-3.
2HgO(s) 2Hg(l) + O2(g)
Suppose 51.2 g of mercury(II) oxide is placed in a sealed 3.00-L vessel at 700 K. What is the partial pressure of oxygen gas at equilibrium? (R= 0.0821 L·atm/(K·mol))
A) 0.075 atm
B) 0.0056 atm
C) 4.5 atm
D) 19 atm
E) 2.3 atm

Answer

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