U6 Q2 Properties of Water

Front

What is a polar molecule?

Back

A polar molecule is a molecule that has an overall positive charge on one end and an overall negative charge on the other end.

Front

What are hydrogen bonds?

Back

Attractions between water molecules are called hydrogen bonds.

Front

What is adhesion in the context of water?

Back

Adhesion is the property that causes water droplets to stick to surfaces, such as the outside of a cup.

Front

Why is water considered a universal solvent?

Back

Water is a universal solvent because it dissolves most substances.

Front

What causes some insects to walk on water?

Back

Cohesion and surface tension create a supportive layer that allows some insects, like water striders, to walk on water.

Front

What is cohesion in relation to water?

Back

Cohesion is the property of water molecules that allows them to stick to each other.

Front

What is surface tension?

Back

Surface tension is the elastic-like force existing on the surface of water due to the cohesive forces between water molecules.

Front

What happens to water when it freezes?

Back

When water freezes, it expands and becomes less dense, allowing ice to float.

Front

What is the significance of water's high specific heat?

Back

Water's high specific heat means it can absorb a lot of heat without a significant change in temperature, helping to regulate climate.

Front

How does water's polarity affect its properties?

Back

Water's polarity allows it to form hydrogen bonds, leading to unique properties like high surface tension and solvent capabilities.