Maximum density

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The maximum density of a substance is the highest attainable density of the substance under given conditions.

Attaining maximum density

Almost all known substances undergo

compression upon the application of pressure. Nearly all substances therefore reach a density maximum at very low temperatures and very high pressures, characteristic properties of the solid state of matter
.

Water

An especially notable irregular maximum density is that of water, which reaches a density peak at 4 °C (39 °F). This has important ramifications in Earth's ecosystem.[1]

References

See also