. Write an equilibrium constant expression, Kc, for the following reactions: a. NO (g) + O2 (g) ⇆ NO2 (g) b. CS2 (g) + H2 (g) ⇆ CH4 (g) + H2S (g) c. NH3 (g) + O2 (g) ⇆ NO (g) + H2O (g) e. CaCO3 (s) ⇆ CaO (s) + CO2 (g) f. (CH3)2CO (l) ⇆ (CH3)2CO (g) g. Na2CO3 (s) + 2C (s) + N2 (g) ⇆ NaCN (s) + CO (g)

Chemistry for Engineering Students
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Chapter12: Chemical Equilibrium
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Problem 12.98PAE
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1. Write an equilibrium constant expression, Kc, for the following reactions:

a. NO (g) + O2 (g) ⇆ NO2 (g)
b. CS2 (g) + H2 (g) ⇆ CH4 (g) + H2S (g)
c. NH3 (g) + O2 (g) ⇆ NO (g) + H2O (g)

e. CaCO3 (s) ⇆ CaO (s) + CO2 (g)
f. (CH3)2CO (l) ⇆ (CH3)2CO (g)
g. Na2CO3 (s) + 2C (s) + N2 (g) ⇆ NaCN (s) + CO (g)

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