Which of the following statements about 1 kg of water is correct?
A) Ice has a greater volume than liquid water as the particles have more kinetic energy
B) Liquid water and ice have the same volume, which explains why ice partially floats in water
C) Liquid water has a greater volume than ice as the particles have more kinetic energy
D) Liquid water has a greater volume than ice as the particles are further apart
E) Ice has a greater volume than liquid water as the particles are further apart
IMAT 2023 · Question 39
Q39 - States of matter
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The correct answer is E) Ice has a greater volume than liquid water as the particles are further apart.
Ice floats because it's less dense than liquid water. In ice, hydrogen bonds hold the molecules in an open lattice, so they're further apart, and 1 kg of ice takes up more space.
A has the right volume but the wrong reason: particles in ice have less kinetic energy, not more.
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