Colloidal Dispersions || Classification of Dispersed System | L-1, Unit-1 | Physical Pharmaceutics 2
Carewell pharma・22 minutes read
The channel will cover topics related to physical power for b pharmacy 4th semester, including collar disposal and Dennis classification. These topics involve mixing solid and solvent to create solutions categorized based on particle size and dispersion, with molecules crossing semipermeable membranes easily due to their small size.
Insights
- **Colloidal Solutions:** The channel will delve into topics like collar disposal and Dennis classification, focusing on colloidal solutions with particles ranging from one nanometer to a thousand nanometers. This size range distinguishes colloidal solutions from bacteria, which are smaller and require a microscope for viewing.
- **Dispersion and Classification:** The classification of particles based on size, dispersion medium, and dispersion phase is crucial in understanding physical states like solid, liquid, and gas. Molecular dispersion and course dispersion are key categories, with molecules being imperceptible in an electron microscope but able to cross semipermeable membranes due to their size, illustrating the importance of understanding particle behavior in different mediums.
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Recent questions
What topics are covered in the channel?
Physical power for b pharmacy 4th semester.
What is collar disposal?
Mixing solid and solvent to create a solution.
What are colloidal solutions?
Particles between one nanometer and a thousand nanometers.
How are molecules classified based on dispersion?
Molecular dispersion and course dispersion.
What are the physical states discussed?
Solid, liquid, and gas.
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Summary
00:00
"Physical Power in B Pharmacy 4th Semester"
- The channel will cover physical power for b pharmacy 4th semester.
- Regular video lectures will be provided daily along with American interviews.
- Topics covered include collar disposal and Dennis classification.
- Collar disposal involves mixing solid and solvent to create a solution.
- Solutions can be homogeneous or heterogeneous based on particle size.
- Colloidal solutions have particles between one nanometer and a thousand nanometers.
- Bacteria are smaller than one micron and require a microscope for viewing.
- Deposit paste involves mixing solid and solvent to create a solution.
- Deposit medium particles range from one nanometer to a thousand nanometers.
- Classification categorizes particles based on size, with molecular dispersion and course dispersion being key categories.
11:35
Formation and Classification of Molecular Pathways
- Pathways are formed in three ways: molecular, posts de Navarra, and crow's dispersion.
- Molecules are so small that they are not visible in an electron microscope.
- Molecules can cross semipermeable membranes inside cells easily due to their size.
- Classification is based on dispersion face and dispersion medium.
- Physical states are divided into solid, liquid, and gas.
- Mixing of solid and liquid results in solutions like paint.
- Gas can transition from liquid to solid, seen in examples like water turning into clouds.
