Choose which statements about the properties of water are true or false.(3 points)

Question

True False
Cohesion and adhesion

Polar molecule

Low specific heat capacity

Universal solvent

Higher density as solid

Answer 1

Here are the evaluations of the statements about the properties of water:

1. Cohesion and adhesion - True
   Water molecules exhibit cohesion (attraction to other water molecules) and adhesion (attraction to other substances), which are important for processes like capillary action.

2. Polar molecule - True
   Water is a polar molecule due to its bent shape and the difference in electronegativity between oxygen and hydrogen, leading to a partial negative charge on the oxygen and partial positive charges on the hydrogens.

3. Low specific heat capacity - False
   Water has a high specific heat capacity, meaning it can absorb a lot of heat before it gets hot. This property is important for regulating temperatures in the environment.

4. Universal solvent - True
   Water is often referred to as the "universal solvent" because it dissolves more substances than any other liquid, which is essential for biological processes.

5. Higher density as solid - False
   Ice (solid water) is less dense than liquid water, which is why ice floats. This is due to the formation of a crystalline structure in ice that takes up more space than liquid water molecules.

So, the final assessment is as follows:

• Cohesion and adhesion: True
• Polar molecule: True
• Low specific heat capacity: False
• Universal solvent: True
• Higher density as solid: False