Chemistry

Chemistry

Problem

A student writes the following equilibrium expression for the decomposition of calcium carbonate: CaCO3(s)⇌CaO(s)+CO2(g)\text{CaCO}_3(s) \rightleftharpoons \text{CaO}(s) + \text{CO}_2(g) Student’s expression: Kc=[CaO][CO2][CaCO3]K_c = \dfrac{[\text{CaO}][\text{CO}_2]}{[\text{CaCO}_3]} Identify the error in the student’s expression and write the correct KcK_c expression.

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