For Polymers lab. In what region of the two-phase system was the
Nylon-6,10 polymer formed after...
For Polymers lab. In what region of the two-phase system was the
Nylon-6,10 polymer formed after the sebacoyl chloride/cyclohexane
and 1,6-hexanediamine/sodium hydroxide solutions were mixed?
Why?
What are the disadvantages of polymers? What is an electrical
property of a polymer and is there any exception to that electrical
property? if so, what is it?
Mixtures of two different polymers belong to the class of
polymer blends.
a) Explain why a two-phase system can form when mixing two
different polymers. Give two examples of morphology types that may
occur (sketch).
b) Show by example how the morphology of a blend influences the
macroscopic properties of the blend.
Applying the phase rule. Consider the phase
diagram for a one-component system.
(a) What is the variance and number of phases at (T1, p1)?
(b) What is the variance and number of phases at (T2, p2)?
(c) What is the variance and number of phases at (T3, p3)?
(d) Which is the triple point?
this question from HPLC lab :
b. What are ways, other than changing the mobile phase
compositions, to change the total retention or selectivity of the
system towards the compounds? other than changing the mobile phase
compositions (Temperature, sorbent, pH, etc...?)
How many spermatids are formed after
spermatogenesis?
What is the epididymis purpose?
What is the function of the Ductus (Vas)
Deferens?
What does the seminal vesicle do? What volume is
contributed to the semen?
Why is it so important that the semen be
alkaline?