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University of Phoenix CHM 151 1)The reaction of quicklime, CaO, with water produces slaked lime, Ca(OH)2, which is widely used in the construction industry to make mortar and plaster
University of Phoenix
CHM 151
1)The reaction of quicklime, CaO, with water produces slaked lime, Ca(OH)2, which is widely used in the construction industry to make mortar and plaster. The reaction of quicklime and water is highly exothermic: CaO(s) + H2O(l) ? Ca(OH)2(s) ΔH = −350 kJ mol−1
- What is the enthalpy of reaction per gram of quicklime that reacts?
- How much heat, in kilojoules, is associated with the production of 1 ton of slaked lime?
2. Why is it possible for an active metal like aluminum to be useful as a structural metal?
3. The following reactions are all similar to those of the industrial chemicals. Complete and balance the equations for these reactions:
- reaction of a weak base and a strong acid NH3+HClO4 ?
- preparation of a soluble silver salt for silver plating Ag2CO3+HNO3 ?
- preparation of strontium hydroxide by electrolysis of a solution of strontium chloride SrCl2(aq) + H2O(l) ????????????→
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