Solid calcium carbonate is in equilibrium with calcium oxide and carbon dioxide, with Kp = 0.12 bar — Equilibrium Chemistry Question
Question
Solid calcium carbonate is in equilibrium with calcium oxide and carbon dioxide, with Kp = 0.12 bar at 1200 K.
CaCO3(s) ⇌ CaO(s) + CO2(g) Keq = 0.12 at 1200 K
A 1.00 g sample of CaCO3 (M = 100.09) is placed in an evacuated piston which is allowed to equilibrate at 1200 K. How will the pressure in the piston after equilibrium is attained depend on the volume of the piston?
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