Question: answer Lime is a term that includes calcium oxide (CaO, also called quicklime) and calcium hydroxide (Ca(OH),, also called slaked lime). It is used in

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Lime is a term that includes calcium oxide (CaO, also called quicklime) and calcium hydroxide (Ca(OH),, also called slaked lime). It is used in the steel industry to remove acidic impurities, in air-pollution control to remove acidic oxides such as SO,, and in water treatment. Slaked lime is produced by treating quicklime with water: CaO(s) + HO(1) - Ca(OH)2 (s) AH kJ = -64.5 mol Given the standard enthalpies of formation of CaO and H, O are -619.5 kJ kJ and -288.6 mol mol T, respectively, calculate the standard enthalpy of formation of Ca (OH),. Be sure your answer has the correct number of significant digits. k.J mol X

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