Why Does Water Vapour Have No Definite Shape?

James H. Sterling
James H. Sterling
• • 6 min read

A Liquid Has a Definite Volume but Not a Definite Shape, and It Thus Takes the Shape of the Container in Which It Is. When More Heat Is Added, the Liquid...

Why Does Water Vapour Have No Definite Shape?
A liquid has a definite volume but not a definite shape, and it thus takes the shape of the container in which it is. When more heat is added, the liquid substance evaporates and becomes a gas, which has no bonds at all. When heated up some more, it becomes water vapour, which is a gas.

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In this regard, why liquid has no definite shape?

In a liquid, the particles are still in close contact, so liquids have a definite volume. However, because the particles can move about each other rather freely, a liquid has no definite shape and takes a shape dictated by its container.

Similarly, what do not have a definite shape but they do have a definite volume? Liquids do not have definite shape, but they do have definite mass and volume. Liquids are similar to solids because their atoms are close together, but what makes a liquid different is that those atoms can move around. Liquids can change shape by flowing.

Also question is, why does gas not have a definite shape?

Particles are far apart from each other because there are very weak forces of attraction between them. They move fast in all directions. Because of this, gases don't have a definite shape or volume and fill any container. Because there is lots of free space between particles, gases can easily be compressed.

Which state of matter has no definite volume or shape?

Gas

Related Question Answers

What is definite volume?

Definite volume refers to something which has a consistent, unchanging volume, which in practical terms may mean a static mass and density, or a predetermined shape, either of which will dictate volume. For instance: A cube with side length l has a definite volume because it can only be exactly one size.

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Does gas have a definite mass?

A gas does not have a definite mass. A gas does not have a definite volume. A gas does not always weigh the same or take up the same amount of space. However, like a liquid, a gas will always take the shape of its container, no matter the size or shape of that container.
James H. Sterling

James H. Sterling

Environmental Science & Climate Journalist
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James Sterling reports on renewable energy developments, climate policy, ecological conservation, and green tech innovations around the globe.