Density involves the amount of a material in a certain volume. When a material changes phases, it changes in density in a predictable way as the amount of material stays the same but the molecules get farther apart or closer together. Water has solid and liquid states that do not follow these predictions of density in the phases of matter.

What does that mean about the densities of the phases of water?

The solid state is the most dense, followed by the liquid state, then the gas state.

The solid state is more dense than the liquid state.

The liquid state is more dense than the solid state.

The gas state is the most dense, followed by the liquid state, then the solid state.

Question

Physics

Mays

27 July, 13:23

Density involves the amount of a material in a certain volume. When a material changes phases, it changes in density in a predictable way as the amount of material stays the same but the molecules get farther apart or closer together. Water has solid and liquid states that do not follow these predictions of density in the phases of matter.

What does that mean about the densities of the phases of water?

The solid state is the most dense, followed by the liquid state, then the gas state.

The solid state is more dense than the liquid state.

The liquid state is more dense than the solid state.

The gas state is the most dense, followed by the liquid state, then the solid state.

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Answers (1)

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Kellie · Answer 1

The appropriate answer is 'the liquid state is more dense than the solid state'. This phenomenon explains why ice floats when it is frozen. When water freezes it expands by approximately 10 percent. It also becomes less dense. This explains why only 10 percent of an iceberg is above the ocean water and the remaining 90 percent is below the waves.