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# Topic: Ideal gas law

 Ideal gas law - Wikipedia, the free encyclopedia The ideal gas law is the equation of state of an ideal gas. The state of an amount of gas is determined by its pressure, volume, and temperature. The ideal gas law can also be derived from first principles using the kinetic theory of gases, if the molecules are assumed to be hard spheres. en.wikipedia.org /wiki/Ideal_gas_law   (197 words)

 Ideal gas - Wikipedia, the free encyclopedia An ideal gas or perfect gas is a hypothetical gas consisting of identical particles of negligible volume, with no intermolecular forces. The thermodynamic properties of an ideal gas can be described by two equations: The equation of state of a classical ideal gas is given by the ideal gas law. Any gas behaves as an ideal gas at high enough temperature and low enough density, but at the point where the Sackur-Tetrode equation begins to break down, the gas will begin to behave as a quantum gas, composed of either bosons or fermions. en.wikipedia.org /wiki/Ideal_gas   (1107 words)

 Ideal Gas Law In such a gas, all the internal energy is in the form of kinetic energy and any change in internal energy is accompanied by a change in temperature. The ideal gas law can be viewed as arising from the kinetic pressure of gas molecules colliding with the walls of a container in accordance with Newton's laws. One mole of an ideal gas at STP occupies 22.4 liters. hyperphysics.phy-astr.gsu.edu /hbase/kinetic/idegas.html   (1049 words)

 Learn more about Ideal gas in the online encyclopedia.   (Site not responding. Last check: 2007-11-07) Ideal gas (or perfect gas) is a hypothetical gas which obeys gas laws exactly. An ideal gas consists of molecules which occupy negligible space and among which negligible forcess exist (except at collisions). In such cases, the concept of an ideal gas is extended to that of an ideal Fermi gas or Bose gas. www.onlineencyclopedia.org /i/id/ideal_gas.html   (222 words)

 Ideal Gas Law   (Site not responding. Last check: 2007-11-07) An ideal gas is a gas that conforms, in physical behaviour, to a particular, idealized relation between pressure, volume, and temperature called the ideal gas law. Although no gas has these properties, the behaviour of real gases is described quite closely by the ideal gas law at sufficiently high temperatures and low pressures, when relatively large distances between molecules and their high speeds overcome any interaction. The ideal gas law may be written in a form applicable to any gas, according to Avogadro's law (q.v.), if the constant specifying the quantity of gas is expressed in terms of the number of molecules of gas. abyss.uoregon.edu /~js/glossary/ideal_gas_law.html   (287 words)

 Ideal gas law: Facts and details from Encyclopedia Topic   (Site not responding. Last check: 2007-11-07) An ideal gas or perfect gas is a hypothetical gas consisting of identical particles of negligible volume, undergoing perfectly elastic collisions, with... The gas constant (also known as universal gas constant, usually denoted by symbol r) is the constant occurring in the universal gas equation, i.e.... Boyles law (also known as the boyle mariotte law) is one of the gas laws, EHandler: no quick summary. www.absoluteastronomy.com /encyclopedia/i/id/ideal_gas_law.htm   (1218 words)

 Gas Equations - Ideal gas law calculator The volume of a fixed mass of gas is inversely proportional to the pressure at a constant temperature. Knowing that two ideal gases with the same amount of molecules occupies the same volume and that the total amount of kinetic energy in these two volumes must be the equal, less massive gases will diffuse more rapidly than more massive gases at equal pressure and temperature. If we know the mass/density and the velocity of a gas, also knowing the mass/density or the velocity of a second gas, we should be able to calculate the velocity or mass/density of the second gas. home.c2i.net /astandne/help_htm/english/gaseq1.htm   (448 words)

 Deviations from Ideal Gas Law Behavior: Because the volume of the gas particles depends on the number of moles of gas in the container, the term that is subtracted from the real volume of the gas is equal to the number of moles of gas times b. The ideal gas equation predicts that a plot of PV versus P for a gas would be a horizontal line because PV should be a constant. According to the ideal gas equation, the pressure would have to be increased to 112 atm to compress 1.00 mol of CO at 0C to a volume of 0.200 L. The van der Waals equation, however, predicts that the pressure will only have to increase to 52.6 atm to achieve the same results. chemed.chem.purdue.edu /genchem/topicreview/bp/ch4/deviation5.html   (1258 words)

 Gas Laws: Ideal Gas Law and the Gas Constant   (Site not responding. Last check: 2007-11-07) Gas Laws: Ideal Gas Law and the Gas Constant For a constant amount of gas at a constant pressure, the volume of the gas is directly proportional to the absolute temperature. In effect, the pressure of the gas should be directly proportional to both the molar concentration and the temperature. www.chm.davidson.edu /ChemistryApplets/GasLaws/GasConstant.html   (306 words)

 Stellar Structure An ideal gas is a gas that conforms, in physical behavior, to a particular, idealized relation between pressure, volume, and temperature. Although no gas is perfectly described by the above laws, the behavior of real gases is described quite closely by the ideal gas law at sufficiently high temperatures and low pressures (such as air pressure at sea level), when relatively large distances between molecules and their high speeds overcome any interaction. A gas does not obey the equation when conditions are such that the gas, or any of the component gases in a mixture, is near its triple point. zebu.uoregon.edu /~js/ast122/lectures/lec12.html   (1481 words)

 What is the Ideal Gas Law? The relationship between them may be deduced from kinetic theory and is called the ideal gas law. The ideal gas law states that at a temperature of 273 K and a pressure of 1 atmosphere, 1 mole of any gas occupies a volume of 22.4 liters. The universal gas constant has a value which depends only upon the units in which the pressure and volume are measured. www.biosint.com /faqs/ideal-gas-law.htm   (283 words)

 Ideal Gas Law   (Site not responding. Last check: 2007-11-07) The Ideal Gas Law may be the largest and most complex of the gas laws. This is in part because of the number of variables in the equation, and in part to the abstraction of an "ideal" gas that the law is built on. The temperature of a gas is the average kinetic energy of all of the molecules. library.thinkquest.org /12596/ideal.html   (706 words)

 Gas Laws From this, we derive the molar volume of a gas (volume/moles of gas). According to Dalton's law of partial pressures, we know that the total pressure exerted on a container by several different gases, is equal to the sum of the pressures exerted on the container by each gas. Using the Ideal Gas Law, and comparing the pressure of one gas to the total pressure, we solve for the mole fraction. www.shodor.org /unchem/advanced/gas   (1034 words)

 Chemical Sciences: Applications of Kinetic-Molecular Theory: Equations of State for Gases It is used to describe the behavior of gases when pressures are higher, or temperatures are lower, than those at which the ideal gas law is sufficiently accurate. C, according to the ideal gas law, is 24465 mL. The vast majority of the volume of the gas is empty space through which the molecules move. www.psigate.ac.uk /newsite/reference/plambeck/chem2/p01066.htm   (705 words)

 [No title]   (Site not responding. Last check: 2007-11-07) One of the simplest equations of state for this purpose is the ideal gas law">ideal gas law, which is roughly accurate for gases at low pressures and high temperatures. While the equation is definitely superior to the ideal gas law and does predict the formation of a liquid phase, the agreement with experimental data is limited for conditions where the liquid forms. The kinetic theory of gases, law">Graham's law of effusion and root mean square velocity all explain how individual molecules in a gas act and their relation... www.worldhistory.com /wiki/i/ideal-gas-law.htm   (1081 words)

 Real Gases   (Site not responding. Last check: 2007-11-07) The ideal gas law states that a gas sample will be composed of molecules which are totally independent of one another and therefore will behave "ideally". If a gas behaves exactly as the ideal gas laws would predict it to behave in terms of volume, pressure, moles, and temperature, then the gas is said to be an ideal gas. The volume that the gas should be occupying under the stated conditions under ideal conditions is not the same as the volume of the gas as measured in the laboratory. members.aol.com /profchm/realgas.html   (1029 words)

 gases.htm   (Site not responding. Last check: 2007-11-07) The ideal gas law may also be used to investigate the behavior of a gas when pressure, volume, the moles of gas and/or temperature are changed. This equation is useful for determining the molar mass of a gas from experimental data, where the mass, pressure, volume and temperature of the gas is measured. For an ideal gas, the collisions between gas particles was said to be "elastic" -- no attractive or repulsive forces exist, and thus, no energy is exchanged during collisions. www.towson.edu /~ladon/gases.html   (2345 words)

 The Ideal Gas Equation   (Site not responding. Last check: 2007-11-07) An "ideal gas" is one whose physical behavior is accurately described by the ideal-gas equation The pressure of the gas in the flask is 2.8 atmospheres and the temperature is recorded to be 53.6 °C. How many moles of O Boyle's law, Charles's law and Avogadro's law represent special cases of the ideal gas law wine1.sb.fsu.edu /chm1045/notes/Gases/IdealGas/Gases04.htm   (440 words)

 The Ideal Gas Law The Ideal Gas Law is the algebraic equation: where P is the pressure of the gas, V is its volume, n is the amount or quantity of gas, and T is the temperature of the gas. This treatise is provided to show that the Ideal Gas Law explains all of the attributes of an ideal gas. www1.fccj.edu /sjlukacs/chm_lectures/gas_laws.htm   (938 words)

 IDEAL GAS LAW Be aware that the ideal gas equation uses SI units. But, in your data region, the gas (air) behaves closely like an ideal gas, and this is the behavior which is extrapolated – the lower temperature region of phase changes is not involved in the fitted data. The gas is contained inside a metal bulb which contracts or expands with the temperature. www.physics.rutgers.edu /ugrad/205/ideal.html   (998 words)

 General Chemistry Online: Companion Notes: Gases Use empirical gas laws to predict how a change in one of the properties of a gas will affect the remaining properties. These "gas laws" will be rationalized using a series of hypotheses about the molecular structure of gases. Compare gas law calculations for ideal and real gases with this JavaScript equation of state calculator. antoine.frostburg.edu /chem/senese/101/gases/index.shtml   (1514 words)

 The Ideal Gas Law   (Site not responding. Last check: 2007-11-07) Specifically, we recall the Law of Combining Volumes, which states that, when gases combine during a chemical reaction at a fixed pressure and temperature, the ratios of their volumes are simple whole number ratios. The Ideal Gas Law reveals that the pressure exerted by a mole of molecules does not depend on what those molecules are, and our earlier observation about gas mixtures is consistent with that conclusion. Therefore, the pressure of a gas is inversely proportional to the temperature of the gas. cnx.rice.edu /content/m12598/latest   (3800 words)

 Chemical Sciences: Gases, The Ideal Gas Law: Introduction Charles' law, and Avogadro's hypothesis leads to the ideal gas law which is usually written as The universal gas constant R arises from a combination of the proportionality constants in the three empirical gas laws. The universal gas constant has an empirical value which depends only upon the units in which the pressure and volume are measured. www.psigate.ac.uk /newsite/reference/plambeck/chem2/p01051.htm   (200 words)

 ChemTeam: Gas Law Problems- Ideal Gas Law At what pressure would 0.150 mole of nitrogen gas at 23.0 °C occupy 8.90 L? What volume would 32.0 g of NO gas occupy at 3.12 atm and 18.0 °C? Find the volume of 2.40 mol of gas whose temperature is 50.0 °C and whose pressure is 2.00 atm. Determine the moles of helium gas in the tank. Determine the moles of nitrogen gas in the tank. dbhs.wvusd.k12.ca.us /webdocs/GasLaw/WS-Ideal.html   (702 words)

 Ideal Gas   (Site not responding. Last check: 2007-11-07) An ideal gas consists of molecule s which occupy negligible space and among which negligible force s exist (except at collision s). All collision s between molecules or between molecules and the walls of container are perfectly elastic, as the molecules have no means of storing energy except as translational kinetic energy. Bij constante temperatuur is de druk van een hoeveelheid gas omgekeerd evenredig met het volume ervan. www.therebreathersite.nl /ideal_gas.htm   (268 words)

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