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Topic: Gas laws

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Ideal gas equation

List of laws in science

Charles law

Ideal gas law

Ideal gas

Equation of state

Kinetic theory of gases

Van der Waals equation

Vapor pressure

Pressure

Water rocket

Water vapor

Kinetic energy

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	Gas Laws
		Boyle's Law states the volume of a definite quantity of dry gas is inversely proportional to the pressure, provided the temperature remains constant.
		To calculate the pressure of the gas the partial pressure of the water must be subtracted from the pressure in the container.
		In the combined gas law, the volume of gas is directly proportional to the absolute temperature and inversely proportional to the pressure.
	library.thinkquest.org /10429/low/gaslaws/gaslaws.htm (1074 words)

	Gas laws Summary
		P is the pressure of the gas, V is the volume, n is the number of moles of the gas, T is the temperature, and R is called the gas constant (or, sometimes, the universal gas constant).
		Effusion (the movement of gas molecules through a pinhole in a container) and diffusion (the uniform spread of gas molecules throughout a mixture of gases) are both related to the energy levels of the gas.
		The gas laws are a set of laws that describe the relationship between thermodynamic temperature (T), pressure (P) and volume (V) of gases.
	www.bookrags.com /Gas_laws (5342 words)

	gas laws. The Columbia Encyclopedia, Sixth Edition. 2001-05
		The three gas laws relating two variables can be combined into a single law relating pressure, temperature, and volume, which states that the product of pressure and volume is directly proportional to the absolute temperature, or PV = kT.
		Nevertheless, it is useful to consider an ideal gas, or perfect gas, an imaginary substance that conforms to this equation for all values of the variables.
		The ideal gas law can be further simplified by replacing the ordinary volume V by the specific volume v, which is equal to V/n.
	www.bartleby.com /65/ga/gaslaws.html (632 words)

	Gas Laws
		The ideal gas equation can be used to predict the value of any one of the variables that describe a gas from known values of the other three.
		Gas law problems often ask you to predict what happens when one or more changes are made in the variables that describe the gas.
		Dalton's law of partial pressures states that the total pressure of a mixture of gases is the sum of the partial pressures of the various components.
	chemed.chem.purdue.edu /genchem/topicreview/bp/ch4/gaslaws3.html (3160 words)

	Gas Laws
		If you covered a lake with neon, the atoms of that gas would pass though the surface of the water until the neon in the water had the same pressure as what is left in the air.
		Again, more common sense; if a gas mixture is made up of 80 percent nitrogen and 20 percent oxygen, then it stands to reason that 80 percent of the pressure is exerted by the nitrogen and 20 percent by the oxygen.
		Gas transfers out of the liquid until the gas tension is equal to the air pressure.
	www.deep-six.com /page70.htm (4121 words)

	Scottish Diving Medicine - Gas Laws (Site not responding. Last check: )
		Boyle's law states that if the temperature remains constant, the volume of a fixed mass of a gas is inversely proportional to the pressure.
		Charles’ law states that if the pressure remains constant, the volume of a fixed mass of a gas is directly proportional to the absolute temperature.
		The relationship between the temperature and pressure of a gas is an important consideration when using compressed gas in a fixed volume container, such as a SCUBA tank left in direct sunlight.
	www.sdm.scot.nhs.uk /gas_laws/index.html (1234 words)

	The Gas Laws
		Thus, whenever the volume of a gas is stated, the conditions of pressure and temperatures at which the measurement was made must also be stated.
		The change in the volume of a gas with pressure at a constant temperature may be investigated using the apparatus shown on the left.
		The pressure thus exerted by a gas in a mixture of gases is known as the partial pressure of the gas.
	www.physchem.co.za /Kinetic/Gas%20Laws.htm (1531 words)

	Gas Laws
		Since ideal gases have infinitely small atoms the only contribution to the volume of a gas is the pressure exerted by the moving atoms bumping against the walls of the container.
		A portion of the gas is transferred to a flask and at 100 kPa, (NOTE: 100 kPA = 750.0 mmHg) occupies 40.0 mL at the same temperature T. The pressure in the original bulb drops to 625 mmHg at temp.
		Figure: The two cylinders contain the same amount of gas molecules (fl dots) On the left, the molar volume is larger and the amount of free space for the molecules to move around in is larger than the volume of the molecules themselves.
	www.chem.queensu.ca /people/faculty/mombourquette/FirstYrChem/GasLaws/index.htm (2483 words)

	Brainboost - how do the gas laws work
		You will use the gas laws to prevent your divers from getting "The Bends," air embolisms, and oxygen toxicity.
		Gas Laws Gas Laws The Physics Hypertextbook - © 1998 - 2007 by Glenn Elert - A Work in Progress - All Rights Reserved - Fair Use Encouraged prev ..
		Although Amontons law became the most - obscure of - the gas laws, it was this work that eventually led to the concept of - absolute - zero in the 19th century.
	www.brainboost.com /search.asp?Q=how+do+the+gas+laws+work&lfmq=1 (226 words)

	The gas laws and anesthesia
		This is the basis of the gas laws.
		If a gas (only a gas), such as oxygen, is in a cylinder, the pressure meter attached gives an accurate estimate of the amount of gas contained within.
		If the pressure in the container is doubled, then the amount of gas dissolved is also doubles, but because of Boyles law (V 1/P), the volume of gas dissolved is halved, so the said volume is the same as it was initially, even though there are twice as many molecules dissolved.
	www.4um.com /tutorial/science/gas1.htm (1268 words)

	Chapter 4: Animations (Site not responding. Last check: )
		The pressure of the gas is represented by the average number of collisions of the particles with the walls of the container, as well as the average force of each strike.
		According to that law, doubling the temperature of a gas measured in absolute units doubles the absolute pressure of a gas.
		This is Charles’ law, which states that the volume of a gas is proportional to its absolute temperature held at constant pressure.
	www.dac.neu.edu /physics/b.maheswaran/phy1121/data/ch04/anim/anim0404.htm (368 words)

	Perfect Gas Laws
		When applying these laws, remember that only absolute values of pressure and temperature can be used.
		3) Gay-Lussac's Law - This law states that if the volume of a gas is held constant (i.e., confined in a rigid container), the absolute pressure of the gas is directly proportional to its absolute temperature.
		These three gas laws can be combined into a single gas law.
	www.rosscontrols.com /gaslaws.htm (228 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 (1036 words)

	Gas Laws (Site not responding. Last check: )
		The use of Boyle's law to predict how the volume of a gas will change with a change in pressure is explained.
		The validity of the ideal gas law is tested by measuring the pressure of a gas at various molar concentrations.
		The application of the ideal gas law to gas mixtures is explained, and the partial pressure of a gas is defined.
	www.chm.davidson.edu /ChemistryApplets/GasLaws/index.html (278 words)

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	gases.htm (Site not responding. Last check: )
		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.
		This equation is useful for relating the pressure, density and temperature of a gas, in the same way as the other empirical gas laws we have encountered.
	www.towson.edu /~ladon/gases.html (2345 words)

	Gas Laws - Ideal gas law equation PV = nRT software - High School Chemistry Software
		The Gas laws is a chemistry software, which facilitates to visualise and understand the universal gas laws namely, Boyles law, Charles law and Gay-lussac's law.
		This window is meant for selecting different laws are to play with various parameters to see their effect on real time mode.
		You may move the Number of mole slider forward or backward to increase or decrease the number of moles of gas particles present in the cylinder.
	www.goldenkstar.com /gas-laws-school-software-chemistry.htm (839 words)

	Gas Laws
		However, since the laws are known by different names in different countries and (more importantly) since I can never remember who gets credit for which law without referring to notes, I will not follow this convention.
		Likewise, when a gas is allowed to expanded into a region of reduced pressure it does work on its surroundings.
		When operating, the gas heats up to between 200 and 400 °C. Determine the pressure range of the gas in such a light bulb when it is on.
	hypertextbook.com /physics/thermal/gas-laws (3976 words)

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		The first law states that the weight of the element deposited or liberated is directly proportional to the amount of charge that passed through the solution.
		One of these was the establishment of the gas laws, which state the relationship between pressure, volume, and temperature of gases.
		The question prompted Clausius to reckon that the gas molecules collide with each other as well as with the walls of the container and their motion was thus hindered by these continual collisions that sends them off randomly in all directions.
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	gases.htm
		When gas molecules collide with the sides of a container, they are exerting a force over that area of the container.
		This law deals with the relationship between the volume and moles of a gas at constant pressure and temperature.
		Suppose you were given that 8.00 moles of a gas occupies a volume of 4.00L at a constant pressure and temperature.
	pages.towson.edu /ladon/gases.html (2345 words)

	Chem1 Properties of gases: the basic gas laws
		In an industrial process, a gas confined to a volume of 1 L at a pressure of 20 atm is allowed to flow into a 12-L container by opening the valve that connects the two containers.
		A graphical expression of the law of Charles and Gay-Lussac can be seen in these plots of the volume of one mole of an ideal gas as a function of its temperature at various constant pressures.
		If a gas contracts by 1/273 of its volume for each degree of cooling, it should contract to zero volume at a temperature of –273°C. This, of course, is the absolute zero of temperature, and this extrapolation of Charles' law is the first evidence of the special significance of this temperature.
	www.chem1.com /acad/webtext/gas/gas_2.html (1794 words)

	GAS LAWS
		The thermodynamic laws applying to perfect gases: Boyle-Mariotte law, Charles-Gay-Lussac law, Dalton law, equation of state.
		Specialty definitions using "GAS LAWS": ideal gas laws, ideal nozzle, ideal rocket ♦ perfect gas laws.
		Congress approved new mining, electricity and gas laws that although raised royalties, allowed private and foreign private participation in the exploration, production, and distribution of Venezuela's energy resources.
	www.websters-online-dictionary.org /definition/english/ga/gas+laws.html (232 words)

	ChemTeam: KMT & Gas Laws (Site not responding. Last check: )
		The Four Gas Law Variables: Temperature, Pressure, Volume, and Moles
		Six gas laws which hold two of the four variables constant
		The Gas Law with No Name (Tn vary, PV constant)
	dbhs.wvusd.k12.ca.us /webdocs/GasLaw/KMT-Gas-Laws.html (194 words)

	Thall's History of Gas Laws
		At constant temperature the volume of a gas is inversely proportional to the pressure.
		basic laws for the theory of gases and gave, although not in full detail, the equation of state discovered by van der Waals a century later.
		of a gas is inversely proportional to the square root of its molecular weight.
	web.fccj.org /~ethall/gaslaw/gaslaw.htm (1241 words)

	Gas Laws WebQuest
		Identify the Boyle's Law, Charles' Law, and Dalton's Law Equations.
		At least five of the 6 pages are present, Information on illnesses and gas laws is mostly accurate, appropriate, and complete (At least 3 of the following 4 topics is present: explanation of the condition using the appropriate gas law and physiology, symptoms, and treatment)
		At least four of the 6 pages are present, Information on illnesses and gas laws is mostly accurate, appropriate, and complete (At least 2 of the following 4 topics is present: explanation of the condition using the appropriate gas law and physiology, symptoms, and treatment)
	www.lr.k12.nj.us /Site/cherokee/library/webquest/brennan/scubachem.htm (597 words)

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