What Is the Correct Equilibrium Constant Expression for the Following $K=\frac{P_{\mathrm{MgO}} \times P_{\mathrm{CO}_{2}}}{P_{\mathrm{MgCO}_{3}}}$

question 1

Multiple Choice

What is the correct equilibrium constant expression for the following reaction? MgCO₃(s) ⇌ MgO(s) + CO₂(g)

• A) \(K=\frac{P_{\mathrm{MgO}} \times P_{\mathrm{CO}_{2}}}{P_{\mathrm{MgCO}_{3}}}\)
• B) \(K=\frac{P_{\mathrm{Mgo}}+P_{\mathrm{CO}_{2}}}{P_{\mathrm{MgCO}_{3}}}\)
• C) \(K=P_{\mathrm{MgO}} \times P_{\mathrm{CO}_{2}}\)
• D) \(K=\frac{1}{P_{\mathrm{CO}_{2}}}\)
• E) \(K=P_{\mathrm{CO}_{2}}\)

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