Question 1

Which type of bond is responsible for the unique properties of water, such as cohesion and high specific heat?

Accepted Answer

Hydrogen bonds

Question 2

Which emergent property of water is most important for moderating Earth's climate?

Accepted Answer

High specific heat

Question 3

What is the main reason water has a high heat of vaporization?

Accepted Answer

Water has a high abundance of hydrogen bonds.

Question 4

Which of the following best describes the polarity of a water molecule?

Accepted Answer

The oxygen atom is slightly negative and the hydrogen atoms are slightly positive.

Question 5

Which property of water allows insects like water striders to walk on its surface?

Accepted Answer

Surface tension

Question 6

A solution in which water is the solvent is called a(n) ______ solution.

Accepted Answer

Aqueous

Question 7

Which of the following effects can occur because of the high surface tension of water?

Accepted Answer

A spider can walk across the surface of a small pond.

Question 8

Which statement about the density of water is correct?

Accepted Answer

Ice is less dense than liquid water due to the stable hydrogen bonds in its lattice structure.

Question 9

Which equation correctly expresses the relationship for specific heat ($$C) of $$water?

Accepted Answer

$$C = \frac{q}{m \Delta T}$$

Question 10

Which of the following is a direct result of water's high specific heat?

Accepted Answer

Lakes resist temperature changes more than the surrounding environment.

Question 11

Which process is defined as the amount of heat required to convert 1 gram of a liquid to a gaseous state?

Accepted Answer

Heat of vaporization

Question 12

What is the charge of the solute molecule in the image below based on the polarity of water?

Accepted Answer

Positively charged

Question 13

Which property of water is most important for its role as a universal solvent?

Accepted Answer

Its polarity

Question 14

Which of the following best explains why water is described as the 'universal solvent'?

Accepted Answer

It can dissolve a wide variety of substances due to its polarity.

Question 15

Which of the following is NOT an emergent property of water?

Accepted Answer

High density of solid compared to liquid water

Question 16

Which of the following statements about hydrogen bonding in water is correct?

Accepted Answer

Hydrogen bonds form between the hydrogen atom of one water molecule and the oxygen atom of another.

Question 17

Which of the following best describes the process of evaporation?

Accepted Answer

The conversion of a liquid into a vapor.

Question 18

Which of the following is a consequence of water's cohesion?

Accepted Answer

Water molecules stick to each other.

Question 19

Which property of water allows it to dissolve ionic compounds like NaCl?

Accepted Answer

Its polarity

Properties of Water: Structure, Bonding, and Emergent Behaviors

Study Guide - Practice Questions