Water and the Biosphere Quiz

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What is the primary reason for the high boiling point of water?

The strong intermolecular hydrogen bonding in water (correct)

The low specific heat capacity of water

The high heat of vaporization of water

The high density of water molecules

Why does ice have a lower density than liquid water?

The molecules in ice have a higher kinetic energy compared to liquid water

The hydrogen bonds in ice are weaker compared to liquid water

The hydrogen bonds in ice are more extensive compared to liquid water (correct)

The molecules in ice are more tightly packed compared to liquid water

What percentage of the Earth's water is freshwater?

50%

5% (correct)

75%

95%

Which of the following is a consequence of water's high specific heat capacity?

Water can absorb and store large amounts of heat without a significant temperature change Signup and view all the answers

What is the typical water content of the human body?

50-75% Signup and view all the answers

Which of the following is not a location where water is locked up on Earth?

Shallow underground lakes Signup and view all the answers

Which of the following best describes the intermolecular forces present in liquid water?

Hydrogen bonds Signup and view all the answers

What property of water allows it to exist in all three states of matter at normal temperatures?

Its ability to form hydrogen bonds Signup and view all the answers

Which of the following properties of water is responsible for its ability to act as a universal solvent?

Its polar nature Signup and view all the answers

What effect does the presence of water vapor in the atmosphere have on the Earth's climate?

It contributes to the greenhouse effect, trapping heat from the Sun Signup and view all the answers

What property of water makes it useful as a coolant in industrial processes?

Its high heat of vaporization Signup and view all the answers

Which of the following is an example of a chemical reaction involving water?

Photosynthesis in plants Signup and view all the answers

Which of the following intermolecular forces is responsible for the spherical shape of a freely falling water droplet?

Hydrogen bonding Signup and view all the answers

The cooling sensation experienced when alcohol evaporates from the skin is primarily due to:

The absorption of heat energy from the surroundings Signup and view all the answers

Which of the following pairs has the stronger intermolecular forces?

Methanol (CH3OH) and Ethanol (CH3CH2OH) Signup and view all the answers

The formation of water droplets on the outside of a bottle of carbonated beverage on a warm day is primarily due to:

Condensation of water vapor from the air Signup and view all the answers

Which of the following statements best explains why geckos can adhere to glass surfaces?

The hair on their feet form van der Waals forces with the glass surface. Signup and view all the answers

Which of the following substances has the highest boiling point?

Barium chloride (BaCl2) Signup and view all the answers