Podcast
Questions and Answers
What is the property of disinfectant solutions that allows them to spread out on the cell wall of bacteria and disrupt them?
What is the property of disinfectant solutions that allows them to spread out on the cell wall of bacteria and disrupt them?
What is the typical surface tension of normal urine, and how does it change if bile is present?
What is the typical surface tension of normal urine, and how does it change if bile is present?
What is responsible for the property of surface tension in liquids?
What is responsible for the property of surface tension in liquids?
In which state do molecules tend to pack together so that their average separation is minimum?
In which state do molecules tend to pack together so that their average separation is minimum?
Signup and view all the answers
Why do free droplets of liquid naturally assume a spherical shape?
Why do free droplets of liquid naturally assume a spherical shape?
Signup and view all the answers
What happens to the liquid surface when there are equal cohesive forces among the molecules inside the liquid?
What happens to the liquid surface when there are equal cohesive forces among the molecules inside the liquid?
Signup and view all the answers
What is the relationship between surface tension and the force required to keep a movable side of a frame over which the liquid is stretched?
What is the relationship between surface tension and the force required to keep a movable side of a frame over which the liquid is stretched?
Signup and view all the answers
What is the unit of surface tension according to the provided text?
What is the unit of surface tension according to the provided text?
Signup and view all the answers
What happens to the surface tension of a liquid when a solute that is less soluble in the liquid is added?
What happens to the surface tension of a liquid when a solute that is less soluble in the liquid is added?
Signup and view all the answers
What term is used when referring to energy per unit area related to surface tension?
What term is used when referring to energy per unit area related to surface tension?
Signup and view all the answers
What type of molecules possess both lyophobic (solvent hating) and lyophilic (solvent liking) regions?
What type of molecules possess both lyophobic (solvent hating) and lyophilic (solvent liking) regions?
Signup and view all the answers
What chemical groups lead to surface activity according to the provided text?
What chemical groups lead to surface activity according to the provided text?
Signup and view all the answers
Which type of moiety can be different in length, hydrophobicity, and stiffness in surfactant molecules?
Which type of moiety can be different in length, hydrophobicity, and stiffness in surfactant molecules?
Signup and view all the answers
What must possess a minimum ratio between hydrophilic and hydrophobic part?
What must possess a minimum ratio between hydrophilic and hydrophobic part?
Signup and view all the answers
Which type of surfactant molecules can be neutral, anionic, cationic, or zwitterionic?
Which type of surfactant molecules can be neutral, anionic, cationic, or zwitterionic?
Signup and view all the answers
What does the abbreviation C in C-shaped wire frame stand for?
What does the abbreviation C in C-shaped wire frame stand for?
Signup and view all the answers
