The base-dissociation constant, Kb, for pyridine, C5H5N, is 1.4 ...

[mwit1967]

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.

[Leostella20]

Answer to Question 1

E

Answer to Question 2

D

[mwit1967]

Gracias!

[xiazhe]

Excellent