General Chemistry

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Chem 161-2014 Tro Chapter 10 15 HYDROGEN BONDING • Is a “super” dipole-dipole bond • Hydrogen atoms connected to small electronegative atoms bonded to small electronegative atoms • F ─ H, O ─ H or N ─ H with F, O or N • Stronger bond than typical dipole-dipole bond due to electron-naked small highly partially-positively charged H getting close to small highly p

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4 CHEM 162-2010 EXAM III Chapter 17 - Thermodynamics Entropy concepts 20. Which one of the following processes has the greatest increase in entropy? A. Ca(OH) 2 (s) + 2HCl(g) → CaCl 2 (s) + 2H 2 O(g) B. H 2 (g) + Cl 2 (g) → 2HCl(g) C. CO 2 (s) → CO 2 (g) D. N 2 (g) + 3H 2 (g) → 2NH 3 (g) E. H 2 O( l ) → H 2 O(s) CHEM 162-2009 FINAL EXAM CHAPTER 17 - THERMODYNAMICS ENTROPY CONCEPTS 38. W

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