Heating a2 group metal carbonate leads to decompostion as : BaCo3(s) ⇌ BaO(s) + CO2(g) Heating a2 group metal carbonate leads to decompostion as : BaCo3(s) ⇌ BaO(s) + CO2(g) November 12, 2020 Category: Chapter 5 - Chemical Equilibrium (Level 1 and Level 2) , N Awasthi Physical Chemistry ,