INV 5 OL Physical Properties Review 2024

Front

What is the temperature at which 40 g of NaCl will completely dissolve?

Back

90°C

Front

Which substance is characterized by a high melting point and the ability to conduct electricity in its molten state?

Back

Sodium fluoride (NaF)

Front

What term describes a solution that contains more solute than it can theoretically hold at a given temperature?

Back

Supersaturated

Front

In a solution of coffee, what is considered the solute?

Back

Coffee grounds

Front

What physical property determines the shape of a drop of water in the absence of external forces?

Back

Surface tension

Front

Define solubility.

Back

The ability of a substance to dissolve in a solvent at a given temperature and pressure.

Front

What is the difference between a solute and a solvent?

Back

A solute is the substance that is dissolved, while a solvent is the substance that does the dissolving.

Front

What is the significance of boiling point elevation in solutions?

Back

Boiling point elevation is the phenomenon where the boiling point of a solvent increases when a solute is added.

Front

Explain the concept of melting point.

Back

The melting point is the temperature at which a solid becomes a liquid.

Front

What is the role of ionic compounds in conductivity?

Back

Ionic compounds can conduct electricity when melted or dissolved in water due to the movement of ions.