At 500°C the equilibrium constant, Kp, is 4.00 x 10-4 for the equilibrium:
2HCN(g) ⇋ H2(g) + C2N2(g)
What is Kc for the following reaction?
H2(g) + C2N2(g) ⇋ 2HCN(g)
A) 2.00 x 10-4
B) -4.00 x 10-4
C) 1.25 x 103
D) 2.50 x 103
E) 4.00 x 104
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