gas

Table of Contents

References & Edit History Quick Facts & Related Topics

Images

heated air expands

states of matter

states of matter

Figure 2: The atomic arrangements in (A) a crystalline solid, (B) an amorphous solid, and (C) a gas.

Bernoulli model of gas pressure

For Students

Discover

The impeachment trial of Pres. Andrew Johnson, illustration from Frank Leslie's Illustrated Newspaper, March 28, 1868.

What If the President Is Impeached?

The Battle of Gettysburg, July 1-3, 1863. (Civil War, Pennsylvania)

9 Worst Generals in History

Figure 13: A Maxim machine gun, belt-fed and water-cooled, operated by German infantrymen, World War I.

7 Deadliest Weapons in History

A ball swishes through the net at a basketball game in a professional arena.

Why Are Basketball Hoops 10 Feet High?

African Americans demonstrating for voting rights in front of the White House as police and others watch, March 12, 1965. One sign reads, "We demand the right to vote everywhere." Voting Rights Act, civil rights.

Timeline of the American Civil Rights Movement

The Judiciary Committee of the U.S. House of Representatives receiving a deputation of female suffragists, January 11, 1871, a lady delegate (identified as Victoria Woodhull) reading her argument (cont'd)

Who Was the First Woman to Run for President of the United States?

Aphrodite. Greek mythology. Sculpture. Aphrodite is the Greek goddess of love and beauty.

12 Greek Gods and Goddesses

gas: Facts & Related Content

Written and fact-checked by The Information Architects of Encyclopaedia Britannica

Facts

Also Known As	gaseous state

Photos

heated air expands

states of matter

states of matter

Figure 2: The atomic arrangements in (A) a crystalline solid, (B) an amorphous solid, and (C) a gas.

Bernoulli model of gas pressure

See All Images →

Topics

ideal gas kinetic theory of gases degenerate gas gas laws Joule-Thomson effect monatomic gas continuum gas optical depth static theory of gases Loschmidt’s number liquid solid radiation chemical bonding chemical element subatomic particle atom electricity time chemical compound

Dig Deeper: More Articles That Discuss This Topic

Key People

Joseph Priestley

Joseph Priestley

English clergyman and scientist

James Clerk Maxwell

James Clerk Maxwell

Scottish mathematician and physicist

Cavendish, Henry

Henry Cavendish

British physicist

Joseph-Louis Gay-Lussac, engraving by Ambroise Tardieu.

Joseph-Louis Gay-Lussac

French scientist

John Dalton

John Dalton

British scientist

Sir Humphry Davy

Sir Humphry Davy

British chemist

Langmuir, Irving

Irving Langmuir

American chemist

J.J. Thomson

J.J. Thomson

British physicist

Robert Boyle

Robert Boyle

Anglo-Irish philosopher and writer

Amedeo Avogadro

Amedeo Avogadro

Italian physicist

Helmont, Jan Baptista van

Jan Baptista van Helmont

Belgian scientist

Johannes Diederik van der Waals

Dutch physicist

Sir John Sealy Townsend

Irish physicist

Henri-Victor Regnault

Henri-Victor Regnault

French chemist and physicist

Eugen Goldstein

German physicist

Quiz

27 True-or-False Questions from Britannica’s Most Difficult Science Quizzes

Illustration of molecules. (molecular, chemistry, science)

So Much Chemistry, So Little Time Quiz

Model of a molecule. Atom, Biology, Molecular Structure, Science, Science and Technology. Homepage 2010 arts and entertainment, history and society

Science Quiz