equation describing heterogeneous reactions Choose the appropriate equilibrium expression for each
a. 2Na2O2(s) + 2CO2(g) 2Na2CO3(s) + O2(g)b. SiO2(s) + 4HF(g) SiF4(g) + 2H2O(g)
c. CaCO3(s) CaO(s) + CO2(g)
d. 2NaHCO3(s) Na2CO3(s) + CO2(g) + H2O(g)
a. K = [O2]^2 / [CO2]^2 (do not include solids)
b. K = [SiF2] [H2O]^2 / [HF]^4
c. K = [CO2]
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