Volatile - Revision history

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2020-04-28T15:32:28Z

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energy>Jmdonev at 16:58, 25 February 2020

2020-02-25T16:58:52Z

← Older revision		Revision as of 16:58, 25 February 2020
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	[[Category: Done ~~2015~~-09-06]]		[[Category:Done 2020-02-29]]
	[[~~category~~:~~chemistry concepts~~]]		[[File:EWM_paint_2007.jpg\|300px\|thumb\|Figure 1. Many industrial [[solvent]]s, such as paint, contain various hydrocarbons which [[evaporate]] and lead to harmful health effects.<Ref>"EWM paint 2007" by Tom Murphy VII. Licensed under Public Domain via Wikimedia Commons - https://commons.wikimedia.org/wiki/File:EWM_paint_2007.jpg#/media/File:EWM_paint_2007.jpg</ref>]]
	<onlyinclude>In chemistry, the term '''volatile''' refers to the tendency of a substance to vaporize. At a given [[temperature]] a more volatile substance will more readily turn to [[gas]] as the ~~molecules~~ escape from the surface.</onlyinclude> Generally speaking ~~it is~~ [[liquid~~\|liquids~~]] ~~that~~ are referred to as volatile.<ref name=R1>Milton Beychok. (2015, Mar. 2). ''Volatility'' [Online]. Available: http://www.eoearth.org/view/article/172247/</ref> In addition, a substance's volatility is closely linked to its ''vapor pressure'', or the [[pressure]] at which its gaseous phase is in equilibrium with its liquid phase. More specifically, it is the tendency of molecules to escape from the surface of a liquid. Thus the more volatile a substance is, the ''lower'' vapour pressure it has.<ref name=R1/>		<onlyinclude>In chemistry, the term '''volatile''' refers to the tendency of a substance to vaporize. At a given [[temperature]] a more volatile substance will more readily turn to [[gas]] as the [[molecule]]s escape from the surface, such as [[solvent]]s and [[paint]], shown in Figure 1.</onlyinclude> Generally speaking, [[liquid]]s are referred to as volatile rather than solids.<ref name=R1>Milton Beychok. (2015, Mar. 2). ''Volatility'' [Online]. Available: http://www.eoearth.org/view/article/172247/</ref> In addition, a substance's volatility is closely linked to its ''vapor pressure'', or the [[pressure]] at which its gaseous phase is in equilibrium with its liquid phase. More specifically, it is the tendency of molecules to escape from the surface of a liquid. Thus the more volatile a substance is, the ''lower'' vapour pressure it has.<ref name=R1/>

	Closely linked to the idea of volatility is the classification of some compounds as [[volatile organic compound]]s or VOCs. VOCs are [[organic molecule\|organic chemical compounds]] that have significant vapour pressures that have negative effects on [[air quality]] and human health.<ref>U.S. Geological Survey. (2015, Mar. 2). ''Volatile Organic Compounds'' [Online]. Available: http://toxics.usgs.gov/definitions/vocs.html</ref>		Closely linked to the idea of volatility is the classification of some compounds as [[volatile organic compound]]s or VOCs. VOCs are [[organic molecule\|organic chemical compounds]] that have significant vapour pressures that have negative effects on [[air quality]] and human health.<ref>U.S. Geological Survey. (2015, Mar. 2). ''Volatile Organic Compounds'' [Online]. Available: http://toxics.usgs.gov/definitions/vocs.html</ref>
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	==Volatility and Flammability==		==Volatility and Flammability==
	Since it is a liquid's vapor rather than the liquid itself that ignites when mixed with [[air]], volatile compounds combust more readily and spontaneously than less volatile compounds. [[Flammable]] and [[combustion\|combustible]] liquids vaporize and combine with air in flammable proportions when in open containers or when leaks occur. Due to the fact that more vapors are present from a volatile liquid, combustion is much more likely to occur with the presence of an [[ignition]] source. Generally speaking, high volatility is connected to a high flammability and a certain degree of danger due to the fact that there are more of these flammable fumes in the air.<ref>Princeton University. (2014, Apr. 9). ''Flammable Liquids'' [Online]. Available: http://web.princeton.edu/sites/ehs/hazardcommguide/7.htm</ref>		Since it is a liquid's vapor rather than the liquid itself that ignites when mixed with [[air]], volatile compounds combust more readily and spontaneously than less volatile compounds. [[Flammable]] and [[combustion\|combustible]] liquids vaporize and combine with air in flammable proportions when in open containers or when leaks occur. Due to the fact that more vapors are present from a volatile liquid, combustion is much more likely to occur with the presence of an [[ignition]] source. Generally speaking, high volatility is connected to a high flammability and a certain degree of danger due to the fact that there are more of these flammable fumes in the air.<ref>Princeton University. (2014, Apr. 9). ''Flammable Liquids'' [Online]. Available: http://web.princeton.edu/sites/ehs/hazardcommguide/7.htm</ref>

			==For Further Reading==
			*[[VOCs]]
			*[[Pollution]]
			*[[Benzene]]
			*[[Smog]]
			*Or explore a [[Special:Random\|random page]]

	==References==		==References==
	{{reflist}}		{{reflist}}
	[[Category:Uploaded]]		[[Category:Uploaded]]
	~~[[category:Ian edit]]~~

J.williams: 1 revision imported

2015-09-18T16:51:25Z

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Jmdonev at 19:23, 17 September 2015

2015-09-17T19:23:16Z

← Older revision		Revision as of 19:23, 17 September 2015
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	[[Category:Done 2015-04-01]]		[[Category: Done 2015-09-06]]
	[[category:chemistry concepts]]		[[category:chemistry concepts]]
	<onlyinclude>In chemistry, the term '''volatile''' refers to the tendency of a substance to vaporize. At a given temperature a more volatile substance will more readily turn to [[gas]] as the molecules escape from the surface.</onlyinclude> Generally speaking it is [[liquid\|liquids]] that are referred to as volatile.<ref name=R1>Milton Beychok. (2015, Mar. 2). ''Volatility'' [Online]. Available: http://www.eoearth.org/view/article/172247/</ref> In addition, a substance's volatility is closely linked to its ''vapor pressure'', or the pressure at which its gaseous phase is in equilibrium with its liquid phase. More specifically, it is the tendency of molecules to escape from the surface of a liquid. Thus the more volatile a substance is, the ''lower'' vapour pressure it has.<ref name=R1/>		<onlyinclude>In chemistry, the term '''volatile''' refers to the tendency of a substance to vaporize. At a given [[temperature]] a more volatile substance will more readily turn to [[gas]] as the molecules escape from the surface.</onlyinclude> Generally speaking it is [[liquid\|liquids]] that are referred to as volatile.<ref name=R1>Milton Beychok. (2015, Mar. 2). ''Volatility'' [Online]. Available: http://www.eoearth.org/view/article/172247/</ref> In addition, a substance's volatility is closely linked to its ''vapor pressure'', or the [[pressure]] at which its gaseous phase is in equilibrium with its liquid phase. More specifically, it is the tendency of molecules to escape from the surface of a liquid. Thus the more volatile a substance is, the ''lower'' vapour pressure it has.<ref name=R1/>

	Closely linked to the idea of volatility is the classification of some compounds as [[volatile organic compound]]s or VOCs. VOCs are [[organic molecule\|organic chemical compounds]] that have significant vapour pressures that have negative effects on [[air quality]] and human health.<ref>U.S. Geological Survey. (2015, Mar. 2). ''Volatile Organic Compounds'' [Online]. Available: http://toxics.usgs.gov/definitions/vocs.html</ref>		Closely linked to the idea of volatility is the classification of some compounds as [[volatile organic compound]]s or VOCs. VOCs are [[organic molecule\|organic chemical compounds]] that have significant vapour pressures that have negative effects on [[air quality]] and human health.<ref>U.S. Geological Survey. (2015, Mar. 2). ''Volatile Organic Compounds'' [Online]. Available: http://toxics.usgs.gov/definitions/vocs.html</ref>

	==Volatility and Flammability==		==Volatility and Flammability==
	Since it is a liquid's vapor rather than the liquid itself that ignites when mixed with air, volatile compounds combust more readily and spontaneously than less volatile compounds. [[Flammable]] and [[combustion\|combustible]] liquids vaporize and combine with air in flammable proportions when in open containers or when leaks occur. Due to the fact that more vapors are present from a volatile liquid, combustion is much more likely to occur with the presence of an ignition source. Generally speaking, high volatility is connected to a high flammability and a certain degree of danger due to the fact that there are more of these flammable fumes in the air.<ref>Princeton University. (2014, Apr. 9). ''Flammable Liquids'' [Online]. Available: http://web.princeton.edu/sites/ehs/hazardcommguide/7.htm</ref>		Since it is a liquid's vapor rather than the liquid itself that ignites when mixed with [[air]], volatile compounds combust more readily and spontaneously than less volatile compounds. [[Flammable]] and [[combustion\|combustible]] liquids vaporize and combine with air in flammable proportions when in open containers or when leaks occur. Due to the fact that more vapors are present from a volatile liquid, combustion is much more likely to occur with the presence of an [[ignition]] source. Generally speaking, high volatility is connected to a high flammability and a certain degree of danger due to the fact that there are more of these flammable fumes in the air.<ref>Princeton University. (2014, Apr. 9). ''Flammable Liquids'' [Online]. Available: http://web.princeton.edu/sites/ehs/hazardcommguide/7.htm</ref>

	==References==		==References==
	{{reflist}}		{{reflist}}
	[[Category:Uploaded]]		[[Category:Uploaded]]
			[[category:Ian edit]]

J.williams: 1 revision imported

2015-08-26T21:31:47Z

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J.williams at 17:00, 12 August 2015

2015-08-12T17:00:28Z

New page

[[Category:Done 2015-04-01]]
[[category:chemistry concepts]]
<onlyinclude>In chemistry, the term '''volatile''' refers to the tendency of a substance to vaporize. At a given temperature a more volatile substance will more readily turn to [[gas]] as the molecules escape from the surface.</onlyinclude> Generally speaking it is [[liquid|liquids]] that are referred to as volatile.<ref name=R1>Milton Beychok. (2015, Mar. 2). ''Volatility'' [Online]. Available: http://www.eoearth.org/view/article/172247/</ref> In addition, a substance's volatility is closely linked to its ''vapor pressure'', or the pressure at which its gaseous phase is in equilibrium with its liquid phase. More specifically, it is the tendency of molecules to escape from the surface of a liquid. Thus the more volatile a substance is, the ''lower'' vapour pressure it has.<ref name=R1/>

Closely linked to the idea of volatility is the classification of some compounds as [[volatile organic compound]]s or VOCs. VOCs are [[organic molecule|organic chemical compounds]] that have significant vapour pressures that have negative effects on [[air quality]] and human health.<ref>U.S. Geological Survey. (2015, Mar. 2). ''Volatile Organic Compounds'' [Online]. Available: http://toxics.usgs.gov/definitions/vocs.html</ref>

==Volatility and Flammability==
Since it is a liquid's vapor rather than the liquid itself that ignites when mixed with air, volatile compounds combust more readily and spontaneously than less volatile compounds. [[Flammable]] and [[combustion|combustible]] liquids vaporize and combine with air in flammable proportions when in open containers or when leaks occur. Due to the fact that more vapors are present from a volatile liquid, combustion is much more likely to occur with the presence of an ignition source. Generally speaking, high volatility is connected to a high flammability and a certain degree of danger due to the fact that there are more of these flammable fumes in the air.<ref>Princeton University. (2014, Apr. 9). ''Flammable Liquids'' [Online]. Available: http://web.princeton.edu/sites/ehs/hazardcommguide/7.htm</ref>

==References==
{{reflist}}
[[Category:Uploaded]]