6. when choosing a solvent for recrystallization of an organic
solid, what rule of thumb is generally used? What characrsitics
should an ideal recrystallizing solvent have?
7. During recrystallization, why is it important to let the
solution cool slowly to room temperature before cooling in ice?
what would happen if the hot solution was immediatly cooled in
ice?
(Intra Domain Routing)
a. Identify and
briefly explain any three key features, a
distance vector protocol must incorporate in order to make it
loop free?
(100 words)
b. In the case of
inter-area routing, OSPF operates like a
distance vector routing protocol. Explain why?
(100 words)
Respond to the following paragraph
:
The features that drive the valuations that differ in Vegas
Chips are: The forecasted rate of growth of earnings per year, the
way the ratios change over the years and the dividend pay ratio of
earnings.
The additional information that would be required by the
investors to gain confidence in the projections would be to look at
the reports done by the analysts and see the connection in the
investing pattern. With that information...
6. [11 marks] A
special committee of five professionals is formed from a group of
four lawyers, three doctors and three teachers. At least three
lawyers are needed in the special committee. Define X as the number
of teachers in the special committee.
Construct the probability distribution of the random variable
X.
Calculate the expected of X and provide an interpretation of
it.
Calculate the standard deviation of X.
Question 6 (Note this question is from the Week 11
Tutorial) There are four (4) main transmission channels that can be
used as monetary policy to target the official interest rate.
Identify each of the four (4) transmission channels and explain,
within the context of monetary policy, the impact each channel has
on economic activity. (11 marks. Word limit Maximum 500 words)
What are the four factors that drive the evolution of new
adaptations? Describe each. Give a detailed example of each,
including organism and genes and how these changed.