Question

What happens to water's density when it freezes?

   What happens to water's density when it freezes?

Must Know High School Biology

Must Know High School Biology

Kellie Ploeger Cox 1st Edition

Chapter 2, Problem 3

Instant Answer

Solved by Expert Prabhu Ramji

10/12/2021

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Water is a liquid at room temperature, and its molecules are constantly moving and interacting with each other. Show more…

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What happens to water's density when it freezes?

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Key Concepts

Hydrogen Bonding

Hydrogen bonding is a type of attractive interaction between molecules that plays a crucial role in determining the structure of substances like water. In water, hydrogen bonds lead to a unique open lattice structure when it freezes, causing the solid form (ice) to have a lower density than the liquid form.

Density

Density is defined as mass per unit volume. It is a fundamental property that determines whether an object will float or sink in a fluid. Changes in temperature and phase can affect the arrangement of molecules, thereby altering density.

Phase Transition

A phase transition is a process where a substance changes from one state of matter to another, such as from liquid to solid. This change is typically accompanied by alterations in molecular arrangement, which can lead to either an increase or decrease in density depending on the substance.

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