HEM 2324 Exam 2 Version A March 24, 2015 Name: UTEP ID: 1.-5. Given the second c

Question

HEM 2324 Exam 2 Version A March 24, 2015 Name: UTEP ID: 1.-5. Given the second compound in the following pairs has the higher melting point (mp) or boiling point (bp), match each pair to the major reason why the higher second value. Answers may be repeated. mp CH3(CH2)sCH3 ((CH3hC2 a. more van der Waals interactions b. more polar bonds mp CH3(CH2)e CH3 3. c. more hydrogen bonds mp Si-H 4. d. more rotational symmetry mp Si-H e. more weight 6. Using the method illustrated in class and the following atomic weights, estimate which fluoroalkane has the t density to that of water? (H = 1, C = 12, N = 14, 0-16, F = 19).

Explanation / Answer

4-e

5-b C-N bond is highly polar towards nitrogen

3-d

1-a

2-c

since i cannot see you 6 question propeely , I guess you wanted the answer just for 5.

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