Unique Properties of Water

Front

What types of compounds dissolve easily in water?

Back

Polar and Ionic compounds dissolve easily in water due to their ability to form hydrogen bonds with water molecules.

Front

Why do large bodies of water not quickly fluctuate in temperature?

Back

Water has a high heat capacity, which means it can absorb a lot of heat without a significant change in temperature.

Front

What property of water allows it to be called the 'universal solvent'?

Back

The polarity and cohesion of water molecules allow it to dissolve many substances, making it a versatile solvent.

Front

Which of the following is NOT a unique property of water?

Back

Water cools very rapidly is NOT a unique property of water; it actually has a high heat capacity.

Front

What property of water enables it to move from the roots to the leaves of plants?

Back

Water exhibits cohesive behavior, allowing water molecules to stick together and move through plant vessels.

Front

Define polarity in the context of water molecules.

Back

Polarity refers to the distribution of electrical charge over the atoms joined by the bond; in water, oxygen is more electronegative than hydrogen, creating a dipole.

Front

What is cohesion in relation to water?

Back

Cohesion is the attraction between water molecules due to hydrogen bonding, which allows water to form droplets and maintain surface tension.

Front

What is adhesion in the context of water?

Back

Adhesion is the attraction between water molecules and other substances, which helps water to climb up plant roots and stems.

Front

Explain the significance of water's high heat capacity.

Back

Water's high heat capacity helps regulate temperature in the environment, preventing drastic temperature changes in aquatic ecosystems.

Front

What happens to water when it freezes?

Back

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