Exam (elaborations)
Nek's Important Stuff- Lecture 6 Questions With Complete Solutions
- Course
- Institution
Nek's Important Stuff- Lecture 6 Questions With Complete Solutions
[Show more]
Content preview
Nek's Important Stuff- Lecture 6 Questions With CompleteSolutions
_________ have water-soluble (hydrophilic) properties at one
end of the molecule and lipophilic properties at the other!!
Correct Answer Surfactants
A central region appears in which three conjugate liquid phases
exist in equilibrium, in this region F=? for a condensed system
under isothermal conditions. Correct Answer 0
Almost all gums display thickening property, whereas some
show _________ property!! Correct Answer Gelling
Although thickening is a desirable property for solution,
suspension, and emulsion dosage forms, the property of gelling
is utilized in drug ___________ for controlled delivery
applications. Correct Answer Encapsulation
As the temperature is raised, the region of immiscibility
__________ Correct Answer Decreases
As we move along AB in the direction of B, we are signifying
systems of A and B containing __________ concentrations of B
Correct Answer Increasing
Because of their hydrophilicity and high molecular weight,
________ are the candidate of choice for increasing the
viscosity of the aqueous solutions or dispersions. Correct
Answer Gums
, Because we are dealing with a three-component system, it is
more convenient to use _________ coordinate graphs, although
it is possible to use rectangular coordinates. Correct Answer
Triangular
Cellulose Based Polymers:
R group:
Polymer: Methyl cellulose (MC)
Characteristics: Correct Answer Cellulose Based Polymers:
R group: H and CH3
Polymer: Methyl cellulose (MC)
Characteristics: Soluble in cold water only. Swells and disperses
slowly in cold water to form colloid dispersion. Practically
insoluble in ethanol, saturated salt solutions, and hot water
Cellulose Based Polymers:
R group:
Polymer: Cellulose
Characteristics: Correct Answer Cellulose Based Polymers:
R group: H
Polymer: Cellulose
Characteristics: Water-insoluble due to excessive hydrogen
boning
Changes in ____________ will cause the area of immiscibility,
bounded by the binodal curve, to change!!! Correct Answer
Temperature
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller Classroom. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $14.49. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
82191 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now
