Surface Tension Quiz 1

TrendySquirrel7599 avatar
TrendySquirrel7599
·
·
Download

Start Quiz

Study Flashcards

16 Questions

What property of disinfectant solutions allows them to spread out on the cell wall of bacteria?

Low surface tension

In the clinical test for jaundice, what is the surface tension of urine with bile present?

55 dynes/cm

What is responsible for lowering the surface tension in washing detergent?

Intermolecular cohesive forces

What type of motion do molecules exhibit in gases?

Random motion

What shape does a free droplet of liquid naturally assume?

Spherical shape

What do molecules on the surface of a liquid have on one side that molecules inside the liquid do not?

Neighboring molecules only on one side

What is the relationship between force and the length of the movable side?

Force is directly proportional to the length

What does the surface tension of a liquid represent?

The force required to create a new surface area

What are surfactant molecules capable of doing when dissolved in a liquid?

Reducing surface tension

How does the solubility of a solute in a liquid affect the surface tension of the liquid?

Decreases if solute is less soluble, increases if very soluble

What is the term used for materials possessing chemical groups leading to surface activity when dissolved in a liquid?

Surface active agents

What is the relationship between force and the length when considering surface tension?

Force is directly related to the length

What defines surfactant molecules?

They possess chemical groups leading to surface activity when dissolved in a liquid

What is the dimension of surface tension?

Force per unit length

What happens to the surface tension of a liquid if a solute is less soluble in it?

It decreases

What is the term used for molecules having both lyophobic and lyophilic regions?

Amphiphiles

Test your knowledge about surface tension and its effects on disinfectants, clinical tests, and other substances. Explore the concepts of intermolecular forces and membrane behavior in liquids.

Make Your Own Quizzes and Flashcards

Convert your notes into interactive study material.

Get started for free

More Quizzes Like This

Use Quizgecko on...
Browser
Browser