explanation to FPGEE questions>>>

[Pacific Islander]

Hi everyone, kindly help me answer these questions from FPGEE study guide.. i mean the explanation or solutions how to come up w/ the answers...Thanks a lot!!!

Which of the following pairs of molecules
would most likely exhibit a dipole-induced dipole
interaction?
A. Benzene, hexane B. Benzene, benzene
C. Ethanol, ethanol D. Ethanol, benzene

# 39 In the compound shown below, what are the
relative basicities of the nitrogen atoms as
numbered (strongest base first, weakest base
last)?

36. Six hours after 500 mg of a drug is administered
by IV injection, a patient’s plasma concentration
is 10 mg/mL. If the half-life (t½ ) of
this drug is four hours and the minimal effective
concentration (MEC) is 2 mg/mL, how
many hours after the first dose should a second
dose be administered?
A. 4.0 B. 6.0 C. 15.4 D. 20.5


The half-life of a drug is 9 days. A single 0.5-
mg dose of the drug yields an [AUC]¥ value
of 408 ng h/mL. In nanograms per milliliter,
what plasma level will result at steady state if
this product is given once daily and is 77%
bioavailable?
A. 5 B. 13 C. 17 D. 23

The radioactive decay of radium has a rate constant
of 4.22 x 10-4 per year. How many years will
it take for 20% of the radium initially present to degrade?
(The amount initially present can be specified
as 100%.)
A. 230 B. 529 C. 1,000 D. 3,815