Use the following equilibria.
SnO2 (s) + 2 CO (g) <==> Sn (s) + 2CO2(g) Kc = 1.4 x1010
CO (g) + H2O (g) <==> CO2 (g) + H2 (g) Kc = 9.0 x 1012
to calculate the Kc of this reaction
SnO2 (s) + 2 H2 (g) <==> Sn (s) + 2 H2O (g) Kc= ?
A. 1.40 x 1010
B. 1.50 x 10-3
C. 1.13 x 1036
D. 1.73 x 10-16
E. 7.78 x 10-4
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