Multiple Choice
Which of the following occurs because molecules of water are farther apart in ice than in liquid water?
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3. Water
Properties of Water- Density
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What property of water allows ice to float in liquid water?
A
Ice has a higher boiling point than liquid water
B
Ice has a higher surface tension than liquid water
C
Ice is less dense than liquid water
D
Ice is more viscous than liquid water
Verified step by step guidance1
Understand the concept of density: Density is defined as mass per unit volume. It determines whether a substance will float or sink in another substance.
Recognize the unique property of water: Water is one of the few substances that is less dense in its solid form (ice) than in its liquid form.
Explore the molecular structure of ice: In ice, water molecules form a crystalline structure maintained by hydrogen bonds, which spaces the molecules further apart compared to liquid water.
Relate density to buoyancy: Since ice is less dense than liquid water, it will float. This is because the mass of ice is spread over a larger volume, making it less dense.
Conclude with the correct property: The property that allows ice to float on liquid water is its lower density compared to liquid water.
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