Gases have no definite shape or volume .
How do you define shape and volume?
Shape refers to an area in a two-dimensional space that is defined by edges; volume is three-dimensional , exhibiting height, width, and depth.
Does a gas keep its shape and volume?
| Definite shape definite volume | liquid no yes | gas no no |
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Why does a gas have a definite shape and volume?
Solution : Gases do not have a definite shape or volume because the molecules in gases are very loosely packed , they have large intermolecular spaces and hence they move around. The force of attraction between molecules is also very less, as a result gases acquire any shape or any volume.
Has definite shape and volume solid liquid or gas?
Three states of matter exist—solid, liquid, and gas. Solids have a definite shape and volume . Liquids have a definite volume, but take the shape of the container. Gases have no definite shape or volume.
What are characteristics of gas?
Gases have three characteristic properties: (1) they are easy to compress, (2) they expand to fill their containers , and (3) they occupy far more space than the liquids or solids from which they form.
What is the answer to a definite shape and volume?
A solid has a definite shape and a definite volume. The particles that make up a solid are packed very closely together.
What have you observed with the volume and shape of solid liquid and gas in the container?
Three states of matter exist—solid, liquid, and gas. Solids have a definite shape and volume . Liquids have a definite volume, but take the shape of the container. Gases have no definite shape or volume.
What can you infer about the shape and volume of a solid?
A solid has a fixed shape and volume that do not change with the shape of its container . ... A liquid has a constant volume, but its shape conforms to the shape of its container.
Why gas has no fixed volume and shape?
Gases don't have a fixed shape or a fixed volume. The particles move around all the time and spread out . This is why a gas fills its container. A gas can be compressed into a very small space – this pushes the particles closer together.
Do gases have a fixed volume?
Gas is a state of matter that has no fixed shape and no fixed volume . Gases have lower density than other states of matter, such as solids and liquids. ... When more gas particles enter a container, there is less space for the particles to spread out, and they become compressed.
How do you describe the shape of a solid Does it have a definite shape how about the liquid and the gas?
Gases. ... A solid has definite volume and shape, a liquid has a definite volume but no definite shape , and a gas has neither a definite volume nor shape. The change from solid to liquid usually does not significantly change the volume of a substance.
Why does gas have indefinite volume?
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.
What are the characteristics of a solid it has a shape and a definite?
Explanation: A solid has a definite volume and fixed shape . This is in contrast to a liquid, which has a definite volume, but takes the shape of its container and has a flat surface.
What is a solid liquid and gas definition?
Solid is the state in which matter maintains a fixed volume and shape ; liquid is the state in which matter adapts to the shape of its container but varies only slightly in volume; and gas is the state in which matter expands to occupy the volume and shape of its container.
How do you describe a gas substance?
Gases are substances that exist in the gaseous phase . ... Gases do not have any defined volume. They expand to occupy the volume of the container they are placed in. Gases do not have any defined shape.
What is the unit for volume of gas?
Gas volumes are usually measured in multiples of cubic feet (ft 3 ) or cubic meters (m 3 ) . Gas reserves are expressed in billion cubic feet (bcf) (10 9 ), or trillion cubic feet (tcf) (10 12 ), or, in the case of countries using the metric system, billion cubic meters (bcm).
What is definite shape and fixed volume?
(a) Solids have definite shape and definite volume because the molecules in solid are closely packed and in fixed positions. ... The molecules can move around and the forces of attraction between molecules is less as compared to solids, so the liquid takes the shape of the container and volume is definite.
What are 5 characteristics of gas?
- Low Density. Gases contain scattered molecules that are dispersed across a given volume and are therefore less dense than in their solid or liquid states. ...
- Indefinite Shape or Volume. Gases have no definite shape or volume. ...
- Compressibility and Expandability. ...
- Diffusivity. ...
- Pressure.
Which state of matter takes both the shape and volume of its container?
A gas takes both the shape and volume of its container.
Which substance has a definite shape and volume at STP?
Solids have definite shape and volume; liquids have indefinite shape and definite volume; gases have indefinite shape and volume. Check out the melting and boiling points of the compound to see what phase it is in at STP.
Which of the following correctly describes solid liquid and gas states of matter?
Correct answer:
A solid is defined as having a definite shape and definite volume . A liquid is defined as having a definite volume, but not a definite shape. A gas is defined as neither having a definite shape nor a definite volume.
What is the shape of a gas?
Gases have the following characteristics: No definite shape (takes the shape of its container). No definite volume. Particles move in random motion with little or no attraction to each other.
What describes the properties of solids liquids and gases in terms of the motion of particles?
gas vibrate and move freely at high speeds . liquid vibrate, move about, and slide past each other. solid vibrate (jiggle) but generally do not move from place to place.
Why do solids liquids and gases differ in shape and volume?
Solids, liquids, and gases all differ in shape and volumes because each of them have different strenght of interparticle bondings.
How do you differentiate between solids liquids and gases on the basis of their melting and boiling points?
Solids have high melting and boiling points . Liquids have comparatively low melting and boiling points. Gases have extremely low melting and boiling points.
Why do solids have a fixed shape but gases neither have a fixed shape nor a fixed volume?
They don't have fix volume and shape because there molecules are free and and can move freely . Whereas on the other hand solids have fixed volume and shape because they have strong intermolecular force and particles in solids are closely packed as solids have fixed shape they also have fixed volume.
Why do solids have a fixed shape and gases have neither a fixed shape nor a fixed volume?
In solids the atoms are tightly packed , thus they have fixed shaped and volume. ... And in the case of gas the atoms are situated much far away thus they don't have fixed shape nor fixed volume, and this is why they fill completely the container in which they are stored.
What is a solids volume?
The volume of a solid is the measure of how much space an object takes up . It is measured by the number of unit cubes it takes to fill up the solid. Counting the unit cubes in the solid, we have 30 unit cubes, so the volume is: 2 units⋅3 units⋅5 units = 30 cubic units.
What characteristics of gases causes its volume to expand more easily than solids?
Molecules within gases are further apart and weakly attracted to each other. Heat causes the molecules to move faster, (heat energy is converted to kinetic energy ) which means that the volume of a gas increases more than the volume of a solid or liquid.
When compared with solids and liquids gases have?
solid: Has a definite shape and volume . liquid: Has a definite volume, but take the shape of the container. gas: Has no definite shape or volume. change of state: When matter is converted from one of the three states (example: solid, liquid, or gas) to another state.
How the gas and liquified gases are classified?
Solid is the state in which matter maintains a fixed volume and shape, liquid is the state in which matter adapts to the shape of its container but varies only slightly in volume, and gas is the state in which matter expands to occupy the volume and shape of its container .
Why do solids liquids and gases have different properties?
Solids, liquids and gases are different mainly because of their lattice arrangements and the cohesive forces between the molecules . ... The cohesive forces between their molecules are also very weak. This gives gases their property to flow and compressibility.
