Specific heat capacity - Revision history

Jmdonev at 23:55, 27 February 2025

2025-02-27T23:55:50Z

← Older revision		Revision as of 23:55, 27 February 2025
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	[[Category:Done 2018-05-18]]		[[Category:Done 2018-05-18]]
	[[File:boilingwata.jpg\|300px\|thumb\|Figure 1. Water has a specific heat capacity of 4.~~186~~ J/g°C, meaning that it requires 4.~~186~~ J of energy (1 calorie) to heat a gram by one degree.<Ref>Wikimedia Commons [Online], Available: http://upload.wikimedia.org/wikipedia/commons/1/18/Kochendes_wasser02.jpg</ref>]]		[[File:boilingwata.jpg\|300px\|thumb\|Figure 1. Water has a specific heat capacity of 4.184 J/g°C, meaning that it requires 4.184 J of energy (1 calorie) to heat a gram by one degree.<Ref>Wikimedia Commons [Online], Available: http://upload.wikimedia.org/wikipedia/commons/1/18/Kochendes_wasser02.jpg</ref>]]
	<onlyinclude>'''Specific heat capacity''' is the amount of [[heat]] needed to raise one [[gram]] of a material by one degree [[celsius]] (<sup>o</sup>C).</onlyinclude><ref>UC Davis Chemwiki, ''Heat Capacity'' [Online], Available: http://chemwiki.ucdavis.edu/Physical_Chemistry/Thermodynamics/Calorimetry/Heat_Capacity#Specific_Heat_Capacity</ref> It is expressed in [[Joule]]s per gram per degree celsius (<math>\frac{J}{g\times ^oC}</math>), and is given by the equation:<ref name=hyp>Hyperphysics, ''Specific Heat'' [Online], Available: http://hyperphysics.phy-astr.gsu.edu/hbase/thermo/spht.html</ref>		<onlyinclude>'''Specific heat capacity''' is the amount of [[heat]] needed to raise one [[gram]] of a material by one degree [[celsius]] (<sup>o</sup>C).</onlyinclude><ref>UC Davis Chemwiki, ''Heat Capacity'' [Online], Available: http://chemwiki.ucdavis.edu/Physical_Chemistry/Thermodynamics/Calorimetry/Heat_Capacity#Specific_Heat_Capacity</ref> It is expressed in [[Joule]]s per gram per degree celsius (<math>\frac{J}{g\times ^oC}</math>), and is given by the equation:<ref name=hyp>Hyperphysics, ''Specific Heat'' [Online], Available: http://hyperphysics.phy-astr.gsu.edu/hbase/thermo/spht.html</ref>

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	This equation does not apply if a phase change is encountered, because the heat added or removed during a phase change does not change the temperature.<ref name=hyp/>		This equation does not apply if a phase change is encountered, because the heat added or removed during a phase change does not change the temperature.<ref name=hyp/>

	The specific heat for water is <math>c=4.~~186~~ \frac{J}{g\times ^oC}</math>, which gives the definition of the [[calorie]], and is relatively high compared to other common substances. As a result, water plays a very important role in temperature regulation.<ref name=hyp/>		The specific heat for water is <math>c=4.184 \frac{J}{g\times ^oC}</math>, which gives the definition of the [[calorie]], and is relatively high compared to other common substances. As a result, water plays a very important role in temperature regulation.<ref name=hyp/>

	The third law of thermodynamics shows that as an object approaches [[absolute zero]], its specific heat capacity gets greater and greater, with the consequence that although substances can get very close to this temperature, nothing will ever reach it.<Ref>B. Everett, G. Boyle, S. Peake and J. Ramage, "Heat to motive power," in ''Energy Systems and Sustainability'', 2nd ed., Oxford, UK: Oxford, 2013, ch.6, pp.187</ref>		The third law of thermodynamics shows that as an object approaches [[absolute zero]], its specific heat capacity gets greater and greater, with the consequence that although substances can get very close to this temperature, nothing will ever reach it.<Ref>B. Everett, G. Boyle, S. Peake and J. Ramage, "Heat to motive power," in ''Energy Systems and Sustainability'', 2nd ed., Oxford, UK: Oxford, 2013, ch.6, pp.187</ref>

Jmdonev: 1 revision imported

2018-05-18T22:53:12Z

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← Older revision	Revision as of 22:53, 18 May 2018
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Jmdonev at 22:34, 11 May 2018

2018-05-11T22:34:27Z

← Older revision		Revision as of 22:34, 11 May 2018
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	[[Category:Done ~~2015~~-06-11]]		[[Category:Done 2018-05-18]]
	[[File:boilingwata.jpg\|300px\|thumb\|Figure 1. Water has a specific heat capacity of 4.186 J/g°C, meaning that it requires 4.186 J of energy (1 calorie) to heat a gram by one degree.<Ref>Wikimedia Commons [Online], Available: http://upload.wikimedia.org/wikipedia/commons/1/18/Kochendes_wasser02.jpg</ref>]]		[[File:boilingwata.jpg\|300px\|thumb\|Figure 1. Water has a specific heat capacity of 4.186 J/g°C, meaning that it requires 4.186 J of energy (1 calorie) to heat a gram by one degree.<Ref>Wikimedia Commons [Online], Available: http://upload.wikimedia.org/wikipedia/commons/1/18/Kochendes_wasser02.jpg</ref>]]
	<onlyinclude>'''Specific heat capacity''' is the amount of [[heat]] needed to raise one [[gram]] of a material by one degree [[celsius]] (<sup>o</sup>C).</onlyinclude><ref>UC Davis Chemwiki, ''Heat Capacity'' [Online], Available: http://chemwiki.ucdavis.edu/Physical_Chemistry/Thermodynamics/Calorimetry/Heat_Capacity#Specific_Heat_Capacity</ref> It is expressed in [[Joule]]s per gram per degree celsius (<m>\frac{J}{g\times ^oC}</m>), and is given by the equation:<ref name=hyp>Hyperphysics, ''Specific Heat'' [Online], Available: http://hyperphysics.phy-astr.gsu.edu/hbase/thermo/spht.html</ref>		<onlyinclude>'''Specific heat capacity''' is the amount of [[heat]] needed to raise one [[gram]] of a material by one degree [[celsius]] (<sup>o</sup>C).</onlyinclude><ref>UC Davis Chemwiki, ''Heat Capacity'' [Online], Available: http://chemwiki.ucdavis.edu/Physical_Chemistry/Thermodynamics/Calorimetry/Heat_Capacity#Specific_Heat_Capacity</ref> It is expressed in [[Joule]]s per gram per degree celsius (<math>\frac{J}{g\times ^oC}</math>), and is given by the equation:<ref name=hyp>Hyperphysics, ''Specific Heat'' [Online], Available: http://hyperphysics.phy-astr.gsu.edu/hbase/thermo/spht.html</ref>

	<center><m>c=\frac{Q}{m\Delta T}</m></center>		<center><math>c=\frac{Q}{m\Delta T}</math></center>

	where		where

	* <m>c</m> is the specific heat,		* <math>c</math> is the specific heat,
	* <m>Q</m> is the heat needed,		* <math>Q</math> is the heat needed,
	* <m>m</m> is the mass and		* <math>m</math> is the mass and
	* <m>\Delta T</m> is the change in temperature of the system.		* <math>\Delta T</math> is the change in temperature of the system.

	This equation does not apply if a phase change is encountered, because the heat added or removed during a phase change does not change the temperature.<ref name=hyp/>		This equation does not apply if a phase change is encountered, because the heat added or removed during a phase change does not change the temperature.<ref name=hyp/>

	The specific heat for water is <m>c=4.186 \frac{J}{g\times ^oC}</m>, which gives the definition of the [[calorie]], and is relatively high compared to other common substances. As a result, water plays a very important role in temperature regulation.<ref name=hyp/>		The specific heat for water is <math>c=4.186 \frac{J}{g\times ^oC}</math>, which gives the definition of the [[calorie]], and is relatively high compared to other common substances. As a result, water plays a very important role in temperature regulation.<ref name=hyp/>

	The third law of thermodynamics shows that as an object approaches [[absolute zero]], its specific heat capacity gets greater and greater, with the consequence that although substances can get very close to this temperature, nothing will ever reach it.<Ref>B. Everett, G. Boyle, S. Peake and J. Ramage, "Heat to motive power," in ''Energy Systems and Sustainability'', 2nd ed., Oxford, UK: Oxford, 2013, ch.6, pp.187</ref>		The third law of thermodynamics shows that as an object approaches [[absolute zero]], its specific heat capacity gets greater and greater, with the consequence that although substances can get very close to this temperature, nothing will ever reach it.<Ref>B. Everett, G. Boyle, S. Peake and J. Ramage, "Heat to motive power," in ''Energy Systems and Sustainability'', 2nd ed., Oxford, UK: Oxford, 2013, ch.6, pp.187</ref>

J.williams: 1 revision imported

2015-08-26T21:31:40Z

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J.williams at 16:59, 12 August 2015

2015-08-12T16:59:04Z

New page

[[Category:Done 2015-06-11]]
[[File:boilingwata.jpg|300px|thumb|Figure 1. Water has a specific heat capacity of 4.186 J/g°C, meaning that it requires 4.186 J of energy (1 calorie) to heat a gram by one degree.<Ref>Wikimedia Commons [Online], Available: http://upload.wikimedia.org/wikipedia/commons/1/18/Kochendes_wasser02.jpg</ref>]]
<onlyinclude>'''Specific heat capacity''' is the amount of [[heat]] needed to raise one [[gram]] of a material by one degree [[celsius]] (<sup>o</sup>C).</onlyinclude><ref>UC Davis Chemwiki, ''Heat Capacity'' [Online], Available: http://chemwiki.ucdavis.edu/Physical_Chemistry/Thermodynamics/Calorimetry/Heat_Capacity#Specific_Heat_Capacity</ref> It is expressed in [[Joule]]s per gram per degree celsius (<m>\frac{J}{g\times ^oC}</m>), and is given by the equation:<ref name=hyp>Hyperphysics, ''Specific Heat'' [Online], Available: http://hyperphysics.phy-astr.gsu.edu/hbase/thermo/spht.html</ref>

<center><m>c=\frac{Q}{m\Delta T}</m></center>

where

* <m>c</m> is the specific heat,
* <m>Q</m> is the heat needed,
* <m>m</m> is the mass and
* <m>\Delta T</m> is the change in temperature of the system.

This equation does not apply if a phase change is encountered, because the heat added or removed during a phase change does not change the temperature.<ref name=hyp/>

The specific heat for water is <m>c=4.186 \frac{J}{g\times ^oC}</m>, which gives the definition of the [[calorie]], and is relatively high compared to other common substances. As a result, water plays a very important role in temperature regulation.<ref name=hyp/>

The third law of thermodynamics shows that as an object approaches [[absolute zero]], its specific heat capacity gets greater and greater, with the consequence that although substances can get very close to this temperature, nothing will ever reach it.<Ref>B. Everett, G. Boyle, S. Peake and J. Ramage, "Heat to motive power," in ''Energy Systems and Sustainability'', 2nd ed., Oxford, UK: Oxford, 2013, ch.6, pp.187</ref>

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