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Given the Following Reaction at Equilibrium at 450

Question 32

Multiple Choice

Given the following reaction at equilibrium at 450.0 °C: CaCO3 (s) Given the following reaction at equilibrium at 450.0 °C: CaCO<sub>3</sub> (s) CaO (s) + CO<sub>2</sub> (g) If pCO<sub>2</sub> = 0.0155 atm, K<sub>c</sub> = ________. A) 155 B) 0.0821 C) 0.920 D) 2.61 × 10<sup>-4</sup> E) 9.20 CaO (s) + CO2 (g)
If pCO2 = 0.0155 atm, Kc = ________.


A) 155
B) 0.0821
C) 0.920
D) 2.61 × 10-4
E) 9.20

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