Answered: Normally, when the temperature of a…

Physics for Scientists and Engineers, Technology Update (No access codes included)

9th Edition

ISBN:9781305116399

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter21: The Kinetic Theory Of Gases

Section: Chapter Questions

Problem 21.48AP

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3) Normally, when the temperature of a solid, liquid, or gas increases, it expands, i.e., its volume V increases (and its mass density: ρ = m /V decreases). Because of its relatively strong hydrogen bonds, water ice forms an orderly, hexagonal lattice structure that requires the molecules to be about 9% further apart than when in the liquid phase, which means ice floats on water. From 0 °C to 4 °C, a few neighboring water molecules still remain in this structure, with an increasing amount of single molecules floating about freely.

Therefore, ice sinks in water.

Therefore, water starts to freeze at absolute zero (0 K).

Thus, water never completely melts until it starts boiling.

Thus, there is no aquatic life in lakes that freeze during the winter.

This leads to the unusual behavior of water to increase its density when warming in the above temperature range.

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