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  • Definition of Gas - Chemistry Dictionary

    Definition of Gas Gases are one of the four common states of matter- the others are solids, liquids, gases, and plasmas. In general, but not in all specific cases, as the temperature increases and pressure decreases substances pass through the four different states. solid → liquid → gas → plasma

  • gas | state of matter | Britannica

    gas, one of the three fundamental states of matter, with distinctly different properties from the liquid and solid states.

  • What are the characteristics of a gas matter?

    Characteristics of Gases. Like all matter, gases have mass, take up space, and are composed of particles (atoms and molecules) that move in relation to each other. Each state of matter is distinguished from the others by the behavior of its particles. The particles in a gas are farther apart compared to the particles in liquids and solids.

  • Gas | Definition of Gas at Dictionary.com

    One of four main states of matter, composed of molecules in constant random motion. Unlike a solid, a gas has no fixed shape and will take on the shape of the space available. Unlike a liquid, the intermolecular forces are very small; it has no fixed volume and will expand to fill the space available. Other words from gas

  • States of Matter - Solid, Liquid, Gas & Plasma with ...

    Jan 11, 2018 · The gaseous state has the highest compressibility as compared to solids and liquids. The rate is diffusion is higher than solids and liquids. The kinetic energy of particles is higher than in solids and liquids. An example of gases: air, helium, nitrogen, oxygen, carbon dioxide, etc.

  • Gas - definition of gas by The Free Dictionary

    One of the three basic forms of matter, composed of molecules in constant random motion. Unlike a solid, a gas has no fixed shape and will take on the shape of the space available. Unlike a liquid, it has no fixed volume and will expand to fill the space available. gaseous (găs′ē-əs, găsh′əs) adjective

  • gas | state of matter | Britannica

    gas, one of the three fundamental states of matter, with distinctly different properties from the liquid and solid states.

  • Gas - Simple English Wikipedia, the free encyclopedia

    A gas is one of the four most common states of matter. In a gas the molecules move freely and are independent of each other. This makes it different from a liquid where the molecules are loosely attached. It is also different from a solid where the bonds are strong and hold the molecules together. In a pure gas, each molecule may be made of an individual atom. It may be elemental, where each …

  • Chem4Kids.com: Matter: Gases

    The atmosphere is an envelope of gases that surrounds the Earth. In solids, atoms and molecules are compact and close together. Liquidshave atoms that are spread out a little more. The molecules in gases are really spread out, full of energy, and constantly moving around in random ways.

  • Gas - definition of gas by The Free Dictionary

    8 rows · gas - the state of matter distinguished from the solid and liquid states by: relatively low …

  • Gas Lesson for Kids: Definition & Facts | Study.com

    Oct 31, 2020 · Gas is one of the three states, or forms, of matter and is invisible. Matter is anything that takes up space. Basically, gas is one of the ways matter can take up space and is related to the branch...

  • Why is gas considered a matter?

    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. There is a great deal of empty space between particles, which have a lot of kinetic energy.

  • State of Matter Definition - Chemistry Glossary

    Jul 03, 2019 · From the laws of thermodynamics, scientists know matter can change states and the sum of the matter and energy of a system is constant. When energy is added or removed to matter, it changes state to form a state of matter. A state of matter is defined as one of the ways in which matter can interact with itself to form a homogeneous phase.

  • Definition of the Four States of Matter: Solid, Liquid, Gas ...

    Jun 01, 2005 · Solids, liquids, gas or plasma. In solids molecules are tightly packed and maintain their shape. Add energy like heat and molecules begins to separate and melt into a shapeless liquid. More energy and matters turns into a gas.

  • Gas - Simple English Wikipedia, the free encyclopedia

    A gas is one of the four most common states of matter. In a gas the molecules move freely and are independent of each other. This makes it different from a liquid where the molecules are loosely attached. It is also different from a solid where the bonds are strong and hold the molecules together.

  • Gas Lesson for Kids: Definition & Facts | Study.com

    Oct 31, 2020 · Gas is one of the three states, or forms, of matter and is invisible. Matter is anything that takes up space. Basically, gas is one of the ways matter can take up space and is …

  • Chem4Kids.com: Matter: Gases

    The atmosphere is an envelope of gases that surrounds the Earth. In solids, atoms and molecules are compact and close together. Liquidshave atoms that are spread out a little more. The molecules in gases are really spread out, full of energy, and constantly moving around in random ways.

  • Definition and Examples of Gas in Chemistry

    May 04, 2019 · A gas is defined as a state of matter consisting of particles that have neither a defined volume nor defined shape. It is one of the four fundamental states of matter, along with solids, liquids, and plasma. Under ordinary conditions, the gas state is between the liquid and plasma states.

  • Gas Facts for Kids - (All You Need to Know!)

    Gas is one of the four states of matter. Pure gas is a mixture of atoms or molecules made up of atoms of one type of atoms of a variety of types. Pure gases are present in gas mixtures like air. Physical things like desks, cars, planets, and even you are made from millions of tiny atoms and molecules.

  • GAS | Definition of GAS by Oxford Dictionary on Lexico.com ...

    noun gases, gasses 1 A substance or matter in a state in which it will expand freely to fill the whole of a container, having no fixed shape (unlike a solid) and no fixed volume (unlike a liquid) ‘hot balls of gas that become stars’

  • What is gas? - Definition from WhatIs.com

    A gas is a sample of matter that conforms to the shape of a container in which it is held and acquires a uniform density inside the container, even in the presence of gravity and regardless of the amount of substance in the container. If not confined to a container, gaseous matter, also known as vapor, will disperse into space.

  • Gas - Wikipedia

    Gas is one of the four fundamental states of matter (the others being solid, liquid, and plasma). A pure gas may be made up of individual atoms (e.g. a noble gas like neon), elemental molecules made from one type of atom (e.g. oxygen), or compound molecules made from a variety of atoms (e.g. carbon dioxide).

  • What are the examples of gas as a matter?

    Examples of Gases Air Helium Nitrogen Freon Carbon dioxide Water vapor Hydrogen Natural gas Propane Oxygen More items...

  • What is an example of a gas matter?

    A sample of gaseous matter can be compressed. Examples of gases are oxygen at room temperature (approximately 20 ºC or 68 ºF), hydrogen at room temperature, and water at standard atmospheric pressure and a temperature above 100 ºC or 212 ºF.

  • gas - Dictionary Definition : Vocabulary.com

    Matter can be found in solid, liquid, or gas form. The air you breathe in and the carbon dioxide you breathe out, are both examples of gas. Gasoline is a kind of a gas that you use as car fuel, and when people say they need gas, usually this is the kind they're talking about.

  • Gas Meaning | Best 52 Definitions of Gas

    Gas is defined as an air-like substance that expands to fill the space it is in. It also refers to a substance used as fuel. An example of gas is helium. An example of gas is the fuel you put in your car to get it to move.

  • Gas | Definition of Gas at Dictionary.com

    One of four main states of matter, composed of molecules in constant random motion. Unlike a solid, a gas has no fixed shape and will take on the shape of the space available. Unlike a liquid, the intermolecular forces are very small; it has no fixed volume and will expand to fill the space available. Other words from gas