Properties of water Flashcards
What is the chemical formula of water?
H2O
True or False: Water is a polar molecule.
True
What property of water allows it to dissolve many substances?
Its polarity
Fill in the blank: Water has a high __________ capacity, which helps regulate temperature.
specific heat
What is cohesion in relation to water?
The tendency of water molecules to stick to each other.
What is the term for the attraction between water molecules and other substances?
Adhesion
Which property of water is responsible for its high surface tension?
Cohesion
True or False: Ice is denser than liquid water.
False
What is the significance of water’s high latent heat of vaporization?
It allows organisms to cool down through evaporation.
Multiple Choice: Which of the following is a property of water? A) High boiling point B) Low specific heat C) Strong ionic bonds
A) High boiling point
What role does water play in biological systems as a solvent?
It facilitates chemical reactions by dissolving reactants.
Fill in the blank: Water’s __________ enables it to support aquatic life by providing a stable environment.
thermal stability
What is the effect of water’s density on aquatic ecosystems?
It allows ice to float, insulating the water below.
True or False: Water can form hydrogen bonds with itself.
True
What is the term for the measure of water’s ability to resist changes in temperature?
Specific heat capacity
