Unit 2: States of Matter Review

Front

What type of solid forms a regular repeating three-dimensional structure called a crystal lattice?

Back

Crystalline solid.

Front

What is the formula to calculate the temperature of a gas given moles, pressure, and volume?

Back

Use the Ideal Gas Law: PV = nRT, where R is the gas constant.

Front

What is adhesion?

Back

Water's ability to stick to other substances.

Front

What is the normal boiling point of water at 1 ATM?

Back

100 °C.

Front

What are attractions between water molecules called?

Back

Hydrogen bonds.

Front

What is a crystalline solid?

Back

A solid with a highly ordered structure, forming a crystal lattice.

Front

What is the difference between crystalline and amorphous solids?

Back

Crystalline solids have a definite geometric shape, while amorphous solids lack a long-range order.

Front

What is the significance of the normal boiling point?

Back

It is the temperature at which a substance transitions from liquid to gas at 1 ATM pressure.

Front

What is the role of hydrogen bonds in water?

Back

They contribute to water's unique properties, such as high surface tension and boiling point.

Front

How does pressure affect the boiling point of a liquid?

Back

Increasing pressure raises the boiling point, while decreasing pressure lowers it.