Question

When water boils, it becomes steam. Its particles spread out and occupy a greater volume. Has its density decreased? Explain your answer.

Answer 1

its density has Decreased.

Explanation:

Density increases as the temperature decreases. As heat is added the molecules of the water move faster and spread apart making them take more space which makes them less dense.

Answer 2

When water boils, it becomes steam. Its particles spread out and occupy a greater volume. Its density is decreased.

• Most liquids expand in volume as the temperature rises, which causes the density of the liquids to decrease. Similar to this, as temperature drops, most liquids lose volume, increasing density.
• The density of water decreases as it gets hotter while maintaining a constant mass. The density decreases because the molecule takes up more space for a given mass.
• The attraction that holds water molecules together in the liquid state is broken when water reaches its boiling point of 100° C because they are moving so quickly. The outcome is vaporization, where the liquid turns into a gas. As a result, its density drops.

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