Author Question: The base-dissociation constant, Kb, for pyridine, C5H5N, is 1.4 10-9. The acid-dissociation ... (Read 122 times)

mwit1967 · **on:** Aug 27, 2018

The base-dissociation constant, Kb, for pyridine, C5H5N, is 1.4 10-9. The acid-dissociation constant, Ka, for the pyridinium ion, C5H5NH+, is ________.

A) 1.0 10-7
B) 1.4 10-23
C) 7.1 10-4
D) 1.4 10-5
E) 7.1 10-6

Question 2

All of the following are measures of fitness EXCEPT

A) body mass index (BMI).
B) body density.
C) VO2 max.
D) All of the above are measures of fitness.