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Unformatted text preview: Fig. 18.16 2NaCl(l) 2Na(l) + Cl 2 (g) E cell -4.072 V (note: we have to melt the ionic substance to allow the ions and electrons to flow) Requires significant energy. Similarly, 2H 2 (g) + O 2 (g) 2H 2 O(l) E cell > 0 2H 2 O(l) 2H 2 (g) + O 2 (g) E cell < 0 but we can decompose water and produce the elemental gases by supplying electrical current....
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This document was uploaded on 03/06/2011.
- Spring '09