Hydrogen bonding is provided by polar covalent bonds, and the asymmetric distrib

Question

Hydrogen bonding is provided by polar covalent bonds, and the asymmetric distribution of electrons between two covalently joined atoms; as such, partial positive (8+) and negative (8-) charges are generated, allowing specific polar bonds to interact with water or other polar bonds. For the following chemical groups, indicate whether the terminal atom (furthest right) bears a: A) + B) 8- or C) no polarity 10. C-N-H 12. C-O-H 13. Energy drives chemical reactions. For a reaction that goes from Y -> X, using Table 3-1 in will there be at equilibrium if the standard your book, how many times more [X] than [Y] free energy change (AG for that reaction is -7.1 kcal/mole? A. 10 B. 1/10 C. 100 D. 100,000 E. Not enough information 14, will an enzyme that mediates the Y-> X reaction affect the equilibrium distribution in #14? A. Yes B. No C. Not enough information

Explanation / Answer

Answer

9) C=O

C will have +delta i.e option (A)

And O will have - delta i.e option (B)

10) C-N-H

C will have option (A)

N will have option (B)

11)C-H

No polarity i.e Option (C) as both have nearly same electronegativity

12)C-O-H

C will have option (A)

O will have option (B)

13) D) not given enough information

14) B) No

Explanation: Enzymes do not affect equilibrium position but it only speed up the reaction

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