Chapter 12 - Chapter 12 Homework 12.1 a) 2 Ca(s) + O2(g) 2...

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Chapter 12 Homework 12.1 a) 2 Ca(s) + O 2 (g) → 2 CaO(s) b) CaCO 3 (s) CaO(s) + CO 2 (g) c) Ca(HCO 3 ) 2 (aq) Æ CaCO 3 (s) + H 2 O(l) + CO 2 (g) d) CaO(s) + 3 C(s) CaC 2 (s) + CO(g) 12.2 a) Sr(s) + 2 H 2 O(l) Æ Sr(OH) 2 (aq) + H 2 (g) b) 2 BaO(s) + SO 2 (g) Æ 2 BaO 2 (s) + S(s) c) 2 CaSO 4 2H 2 O(s) 2 CaSO 4 ½ H 2 O(s) + 3 H 2 O(g) d) SrC 2 (s) + 2 H 2 O(l) Æ Sr(OH) 2 (s) + C 2 H 2 (g) 12.7 They form 2 + ions exclusively and their salts tend to be highly hydrated. 12.11 Rainwater, an aqueous solution of CO 2 , percolates into limestone deposits, reacting with the CaCO 3 to give a solution of Ca(HCO 3 ) 2 . The solution flows away, leaving a space that, with continued rain, enlarges to a cave. CaCO 3 (s) + CO 2 (aq) + H 2 O(l) Æ Ca(HCO 3 ) 2 (aq) 12.13 1) Ca(OH) 2 (aq) + Seawater (Mg
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This note was uploaded on 11/16/2011 for the course CHEM 3510 taught by Professor Staff during the Fall '10 term at Valdosta State University .

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Chapter 12 - Chapter 12 Homework 12.1 a) 2 Ca(s) + O2(g) 2...

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