Water and the Biosphere Quiz
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Questions and Answers

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?

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

    What is the typical water content of the human body?

    <p>50-75%</p> Signup and view all the answers

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

    <p>Shallow underground lakes</p> Signup and view all the answers

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

    <p>Hydrogen bonds</p> Signup and view all the answers

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

    <p>Its ability to form hydrogen bonds</p> Signup and view all the answers

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

    <p>Its polar nature</p> Signup and view all the answers

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

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

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

    <p>Its high heat of vaporization</p> Signup and view all the answers

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

    <p>Photosynthesis in plants</p> Signup and view all the answers

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

    <p>Hydrogen bonding</p> Signup and view all the answers

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

    <p>The absorption of heat energy from the surroundings</p> Signup and view all the answers

    Which of the following pairs has the stronger intermolecular forces?

    <p>Methanol (CH3OH) and Ethanol (CH3CH2OH)</p> 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:

    <p>Condensation of water vapor from the air</p> Signup and view all the answers

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

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

    Which of the following substances has the highest boiling point?

    <p>Barium chloride (BaCl2)</p> Signup and view all the answers

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