Chemical - Revision history

Jmdonev: 1 revision imported

2021-09-27T00:02:48Z

1 revision imported

← Older revision	Revision as of 00:02, 27 September 2021
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energy>Ethan.boechler at 18:20, 10 September 2021

2021-09-10T18:20:28Z

← Older revision		Revision as of 18:20, 10 September 2021
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	[[Category:Done ~~2015~~-06-01]]		[[Category:Done 2021-01-31]]
			[[Category:Translated to Spanish]]
			[[es:Químico]]
			[[Category:Translated to French]]
			[[fr:Chimique]]
	[[File:579px-Guanine_chemical_structure.png\|400px\|framed\|right\|Figure 1. The term "chemical" is generally associated in people's minds with large complex materials. Chemicals are really just substances with a consistent makeup of elements in a particular configuration such as the chemical Guanine, shown above.<ref>Wikimedia Commons. (May 15, 2015). ''Guanine'' [Online]. Available: http://commons.wikimedia.org/wiki/File:Guanine_chemical_structure.png#/media/File:Guanine_chemical_structure.png</ref> However, water is a chemical and so is the oxygen people breathe.]]		[[File:579px-Guanine_chemical_structure.png\|400px\|framed\|right\|Figure 1. The term "chemical" is generally associated in people's minds with large complex materials. Chemicals are really just substances with a consistent makeup of elements in a particular configuration such as the chemical Guanine, shown above.<ref>Wikimedia Commons. (May 15, 2015). ''Guanine'' [Online]. Available: http://commons.wikimedia.org/wiki/File:Guanine_chemical_structure.png#/media/File:Guanine_chemical_structure.png</ref> However, water is a chemical and so is the oxygen people breathe.]]
	The term '''chemical''' is a broadly used, but relatively vague term. People often misuse the word chemical to mean ~~dangerous~~ human-made ~~substances~~; ~~this misuse of the word implies that chemicals are only~~ substances that were created in a laboratory. However, chemicals refer to a far more general ~~substance, and most~~ occur ~~naturally, and~~ many (made in laboratories or not) are harmless. Chemicals make up the food people eat, and people themselves. <onlyinclude>A '''chemical''' is some type of [[matter]] that has a constant composition (in terms of [[molecule]]s or [[atom]]s). It also has physical properties such as a [[density]], refractive index, [[electrical conductivity\|conductivity]], [[melting point]], and [[boiling point]] that can be used to characterize this substance.</onlyinclude><ref>IUPAC. (May 15, 2015). ''Chemical Substance'' [Online]. Available: http://goldbook.iupac.org/C01039.html</ref>		The term '''chemical''' is a broadly used, but relatively vague term. People often misuse the word chemical to mean only substances that are human-made and dangerous; substances that were created in a laboratory. However, chemicals refer to a far more general substance—most occur naturally—and many (made in laboratories or not) are harmless. Chemicals make up the food people eat, and people themselves. <onlyinclude>A '''chemical''' is some type of [[matter]] that has a constant composition (in terms of [[molecule]]s or [[atom]]s). It also has physical properties such as a [[density]], refractive index, [[electrical conductivity\|conductivity]], [[melting point]], and [[boiling point]] that can be used to characterize this substance.</onlyinclude><ref>IUPAC. (May 15, 2015). ''Chemical Substance'' [Online]. Available: http://goldbook.iupac.org/C01039.html</ref>

	Essentially, anything that is made up of matter is made up of chemicals and thus nearly everything a person uses throughout the day is composed of ~~chemicals - whether~~ it is natural or man-made. ~~Chemicals~~ are essential to daily life, and ~~they combine in ways that provide us with commonly used substances from [[water]] to [[gasoline]]~~.<ref name="RE1">~~WiseGeek. (May 15, 2015).~~ ''~~What is a Chemical?~~'' [Online]. Available: ~~http~~://~~www~~.~~wisegeek~~.~~com~~/~~what-is-a~~-~~chemical~~.~~htm~~</ref>		Essentially, anything that is made up of matter is made up of chemicals and thus nearly everything a person uses throughout the day is composed of chemicals—whether it is natural or man-made. Chemical substances are essential for daily life, providing sustenance, keeping us clean and healthy, fabricating electronic devices, and enabling transportation.<ref name="RE1"> ''Chemistry,'' Rice University, 2015. [Online]. Available: https://web.ung.edu/media/Chemistry2/Chemistry-LR.pdf</ref>

	~~As well, chemicals~~ can exist as [[solid]]s, [[liquid]]s, [[gas\|gases]], or [[plasma]] and change between these states with changes in [[temperature]] and [[pressure]]. ~~As well~~, chemicals can take part in chemical ~~reactions~~ which change one chemical substance into another.<ref>J.Kotz, J.Townsend, P.Treichel. (May 15, 2015). ''Chemistry and Chemical Reactivity'', 8th ed. Belmont, CA, U.S.A: Brooks/Cole, 2012.</ref> When chemicals are changed and combined in these ways, they must be given a name and chemical formula. The chemical formula provides a list of atoms that make up one molecule of the new chemical. ~~As well, some~~ are provided more specific ~~common~~ names.<ref name="RE1"/>		Chemicals can exist as [[solid]]s, [[liquid]]s, [[gas\|gases]], or [[plasma]] and change between these states with changes in [[temperature]] and [[pressure]]. In addition, chemicals can take part in [[chemical reaction]]s which change one chemical substance into another.<ref>J.Kotz, J.Townsend, P.Treichel. (May 15, 2015). ''Chemistry and Chemical Reactivity'', 8th ed. Belmont, CA, U.S.A: Brooks/Cole, 2012.</ref> When chemicals are changed and combined in these ways, they must be given a name and [[chemical formula]]. The chemical formula provides a list of atoms that make up one molecule of the new chemical. Some are even provided more specific names<ref name="RE1"/> such as [[ammonia]] and [[ammonium]].

			==For Further Reading==
			*[[Chemical bond]]
			*[[Matter]]
			*[[Phase change]]
			*[[Chemical reaction]]
			*[[Water cycle]]
			*Or explore a [[Special:Random\|random page]]

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

Jmdonev at 18:58, 3 March 2016

2016-03-03T18:58:29Z

← Older revision		Revision as of 18:58, 3 March 2016
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	[[Category:Done 2015-06-01]]		[[Category:Done 2015-06-01]]
	[[File:579px-Guanine_chemical_structure.png\|400px\|framed\|right\|Figure 1. The term "chemical" is generally associated in people's minds with large complex materials. Chemicals are really just substances with a consistent makeup of elements in a particular configuration such as the chemical Guanine, shown above.<ref>Wikimedia Commons. (May 15, 2015). ''Guanine'' [Online]. Available: http://commons.wikimedia.org/wiki/File:Guanine_chemical_structure.png#/media/File:Guanine_chemical_structure.png</ref> However, water is a chemical and so is the oxygen people breathe.]]		[[File:579px-Guanine_chemical_structure.png\|400px\|framed\|right\|Figure 1. The term "chemical" is generally associated in people's minds with large complex materials. Chemicals are really just substances with a consistent makeup of elements in a particular configuration such as the chemical Guanine, shown above.<ref>Wikimedia Commons. (May 15, 2015). ''Guanine'' [Online]. Available: http://commons.wikimedia.org/wiki/File:Guanine_chemical_structure.png#/media/File:Guanine_chemical_structure.png</ref> However, water is a chemical and so is the oxygen people breathe.]]
	The term '''chemical''' is a broadly used, but relatively vague term. People often misuse the word chemical to mean ~~only substances that are~~ human-made ~~and dangerous~~; substances that were created in a laboratory. However, chemicals refer to a far more general substance, and most occur naturally, and many (made in laboratories or not) are harmless. Chemicals make up the food people eat, and people themselves. <onlyinclude>A '''chemical''' is some type of [[matter]] that has a constant composition (in terms of [[molecule]]s or [[atom]]s). It also has physical properties such as a [[density]], refractive index, [[electrical conductivity\|conductivity]], [[melting point]], and [[boiling point]] that can be used to characterize this substance.</onlyinclude><ref>IUPAC. (May 15, 2015). ''Chemical Substance'' [Online]. Available: http://goldbook.iupac.org/C01039.html</ref>		The term '''chemical''' is a broadly used, but relatively vague term. People often misuse the word chemical to mean dangerous human-made substances; this misuse of the word implies that chemicals are only substances that were created in a laboratory. However, chemicals refer to a far more general substance, and most occur naturally, and many (made in laboratories or not) are harmless. Chemicals make up the food people eat, and people themselves. <onlyinclude>A '''chemical''' is some type of [[matter]] that has a constant composition (in terms of [[molecule]]s or [[atom]]s). It also has physical properties such as a [[density]], refractive index, [[electrical conductivity\|conductivity]], [[melting point]], and [[boiling point]] that can be used to characterize this substance.</onlyinclude><ref>IUPAC. (May 15, 2015). ''Chemical Substance'' [Online]. Available: http://goldbook.iupac.org/C01039.html</ref>

	Essentially, anything that is made up of matter is made up of chemicals and thus nearly everything a person uses throughout the day is composed of chemicals - whether it is natural or man-made. Chemicals are essential to daily life, and they combine in ways that provide us with commonly used substances from [[water]] to [[gasoline]].<ref name="RE1">WiseGeek. (May 15, 2015). ''What is a Chemical?'' [Online]. Available: http://www.wisegeek.com/what-is-a-chemical.htm</ref>		Essentially, anything that is made up of matter is made up of chemicals and thus nearly everything a person uses throughout the day is composed of chemicals - whether it is natural or man-made. Chemicals are essential to daily life, and they combine in ways that provide us with commonly used substances from [[water]] to [[gasoline]].<ref name="RE1">WiseGeek. (May 15, 2015). ''What is a Chemical?'' [Online]. Available: http://www.wisegeek.com/what-is-a-chemical.htm</ref>

Jmdonev: Changed first few words

2016-03-03T18:56:53Z

Changed first few words

← Older revision		Revision as of 18:56, 3 March 2016
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	[[Category:Done 2015-06-01]]		[[Category:Done 2015-06-01]]
	[[File:579px-Guanine_chemical_structure.png\|400px\|framed\|right\|Figure 1. The term "chemical" is generally associated in people's minds with large complex materials. Chemicals are really just substances with a consistent makeup of elements in a particular configuration such as the chemical Guanine, shown above.<ref>Wikimedia Commons. (May 15, 2015). ''Guanine'' [Online]. Available: http://commons.wikimedia.org/wiki/File:Guanine_chemical_structure.png#/media/File:Guanine_chemical_structure.png</ref> However, water is a chemical and so is the oxygen people.]]		[[File:579px-Guanine_chemical_structure.png\|400px\|framed\|right\|Figure 1. The term "chemical" is generally associated in people's minds with large complex materials. Chemicals are really just substances with a consistent makeup of elements in a particular configuration such as the chemical Guanine, shown above.<ref>Wikimedia Commons. (May 15, 2015). ''Guanine'' [Online]. Available: http://commons.wikimedia.org/wiki/File:Guanine_chemical_structure.png#/media/File:Guanine_chemical_structure.png</ref> However, water is a chemical and so is the oxygen people breathe.]]
	The term '''chemical''' is a broadly used, but relatively vague term. ~~In common parlance,~~ the ~~term~~ chemical ~~implies a substance~~ that is human-made and ~~usually~~ dangerous; substances that were created in a laboratory. However, chemicals refer to a far more general substance, and most occur naturally, and many (made in laboratories or not) are harmless. Chemicals make up the food people eat, and people themselves. <onlyinclude>A '''chemical''' is some type of [[matter]] that has a constant composition (in terms of [[molecule]]s or [[atom]]s). It also has physical properties such as a [[density]], refractive index, [[electrical conductivity\|conductivity]], [[melting point]], and [[boiling point]] that can be used to characterize this substance.</onlyinclude><ref>IUPAC. (May 15, 2015). ''Chemical Substance'' [Online]. Available: http://goldbook.iupac.org/C01039.html</ref>		The term '''chemical''' is a broadly used, but relatively vague term. People often misuse the word chemical to mean only substances that are human-made and dangerous; substances that were created in a laboratory. However, chemicals refer to a far more general substance, and most occur naturally, and many (made in laboratories or not) are harmless. Chemicals make up the food people eat, and people themselves. <onlyinclude>A '''chemical''' is some type of [[matter]] that has a constant composition (in terms of [[molecule]]s or [[atom]]s). It also has physical properties such as a [[density]], refractive index, [[electrical conductivity\|conductivity]], [[melting point]], and [[boiling point]] that can be used to characterize this substance.</onlyinclude><ref>IUPAC. (May 15, 2015). ''Chemical Substance'' [Online]. Available: http://goldbook.iupac.org/C01039.html</ref>

	Essentially, anything that is made up of matter is made up of chemicals and thus nearly everything a person uses throughout the day is composed of chemicals - whether it is natural or man-made. Chemicals are essential to daily life, and they combine in ways that provide us with commonly used substances from [[water]] to [[gasoline]].<ref name="RE1">WiseGeek. (May 15, 2015). ''What is a Chemical?'' [Online]. Available: http://www.wisegeek.com/what-is-a-chemical.htm</ref>		Essentially, anything that is made up of matter is made up of chemicals and thus nearly everything a person uses throughout the day is composed of chemicals - whether it is natural or man-made. Chemicals are essential to daily life, and they combine in ways that provide us with commonly used substances from [[water]] to [[gasoline]].<ref name="RE1">WiseGeek. (May 15, 2015). ''What is a Chemical?'' [Online]. Available: http://www.wisegeek.com/what-is-a-chemical.htm</ref>
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	{{reflist}}		{{reflist}}
	[[Category:Uploaded]]		[[Category:Uploaded]]
			[[category:Ian edit]]

J.williams: 1 revision imported

2015-08-26T21:30:53Z

1 revision imported

← Older revision	Revision as of 21:30, 26 August 2015
(No difference)

J.williams at 16:51, 12 August 2015

2015-08-12T16:51:40Z

New page

[[Category:Done 2015-06-01]]
[[File:579px-Guanine_chemical_structure.png|400px|framed|right|Figure 1. The term "chemical" is generally associated in people's minds with large complex materials. Chemicals are really just substances with a consistent makeup of elements in a particular configuration such as the chemical Guanine, shown above.<ref>Wikimedia Commons. (May 15, 2015). ''Guanine'' [Online]. Available: http://commons.wikimedia.org/wiki/File:Guanine_chemical_structure.png#/media/File:Guanine_chemical_structure.png</ref> However, water is a chemical and so is the oxygen people.]]
The term '''chemical''' is a broadly used, but relatively vague term. In common parlance, the term chemical implies a substance that is human-made and usually dangerous; substances that were created in a laboratory. However, chemicals refer to a far more general substance, and most occur naturally, and many (made in laboratories or not) are harmless. Chemicals make up the food people eat, and people themselves. <onlyinclude>A '''chemical''' is some type of [[matter]] that has a constant composition (in terms of [[molecule]]s or [[atom]]s). It also has physical properties such as a [[density]], refractive index, [[electrical conductivity|conductivity]], [[melting point]], and [[boiling point]] that can be used to characterize this substance.</onlyinclude><ref>IUPAC. (May 15, 2015). ''Chemical Substance'' [Online]. Available: http://goldbook.iupac.org/C01039.html</ref>

Essentially, anything that is made up of matter is made up of chemicals and thus nearly everything a person uses throughout the day is composed of chemicals - whether it is natural or man-made. Chemicals are essential to daily life, and they combine in ways that provide us with commonly used substances from [[water]] to [[gasoline]].<ref name="RE1">WiseGeek. (May 15, 2015). ''What is a Chemical?'' [Online]. Available: http://www.wisegeek.com/what-is-a-chemical.htm</ref>

As well, chemicals can exist as [[solid]]s, [[liquid]]s, [[gas|gases]], or [[plasma]] and change between these states with changes in [[temperature]] and [[pressure]]. As well, chemicals can take part in chemical reactions which change one chemical substance into another.<ref>J.Kotz, J.Townsend, P.Treichel. (May 15, 2015). ''Chemistry and Chemical Reactivity'', 8th ed. Belmont, CA, U.S.A: Brooks/Cole, 2012.</ref> When chemicals are changed and combined in these ways, they must be given a name and chemical formula. The chemical formula provides a list of atoms that make up one molecule of the new chemical. As well, some are provided more specific common names.<ref name="RE1"/>

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