IPC Fall Semester Exam 2024

Front

What is molarity?

Back

Molarity is a measure of the concentration of a solute in a solution, expressed as moles of solute per liter of solution (mol/L).

Front

How do you calculate molarity?

Back

Molarity (M) = moles of solute / liters of solution.

Front

What is the solubility of KBr at 80°C?

Back

The solubility of KBr at 80°C is 100 grams per 100 mL of water.

Front

What is a solute?

Back

A solute is a substance that is dissolved in a solvent to form a solution.

Front

What is a solvent?

Back

A solvent is a substance that dissolves a solute, resulting in a solution.

Front

What is the universal solvent?

Back

Water is often called the universal solvent because it can dissolve many substances due to its polar nature.

Front

What is cohesion?

Back

Cohesion is the attraction between molecules of the same substance.

Front

What is adhesion?

Back

Adhesion is the attraction between molecules of different substances.

Front

What is capillary action?

Back

Capillary action is the ability of a liquid to flow in narrow spaces without the assistance of external forces, often due to cohesion and adhesion.

Front

What is surface tension?

Back

Surface tension is the elastic tendency of a fluid surface that makes it acquire the least surface area possible.