# Problem: The equilibrium constant is given for one of the reactions below. Determine the value of the missing equilibrium constant. 2 SO2(g) + O2(g) ⇌ 2 SO3(g) Kc = 1.7 × 10 6 SO3(g) ⇌ 1/2 O2(g) + SO2(g) Kc = ? A) 3.4 × 10 2 B) 8.5 C) 1.3 × 10 3 D) 1.2 × 10 -6 E) 7.7 × 10 -4

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###### Problem Details

The equilibrium constant is given for one of the reactions below. Determine the value of the missing equilibrium constant.

2 SO2(g) + O2(g) ⇌ 2 SO3(g) Kc = 1.7 × 10 6

SO3(g) ⇌ 1/2 O2(g) + SO2(g) Kc = ?

A) 3.4 × 10 2

B) 8.5

C) 1.3 × 10 3

D) 1.2 × 10 -6

E) 7.7 × 10 -4

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