Difference between revisions of "Second Law of Thermodynamics"
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The Second Law of Thermodynamics states that, in a [[closed system]], [[entropy]] or disorder is always increasing. Put another way, heat tends to flow to cooler places. Another formulation is that energy associated with moving particles tends to degrade into heat. | The Second Law of Thermodynamics states that, in a [[closed system]], [[entropy]] or disorder is always increasing. Put another way, heat tends to flow to cooler places. Another formulation is that energy associated with moving particles tends to degrade into heat. | ||
| − | The entropy of the universe must always either increase or remain the same. It can never decrease.<ref>Wile, Dr. Jay L. ''Exploring Creation With Chemistry''. Apologia Educational Ministries, Inc. 1998</ref> | + | The total entropy of the universe as a whole must always either increase or remain the same. It can never decrease. <ref>Wile, Dr. Jay L. ''Exploring Creation With Chemistry''. Apologia Educational Ministries, Inc. 1998</ref> |
A consequence of this Law is that it is impossible to build a [[perpetual motion machine]]. | A consequence of this Law is that it is impossible to build a [[perpetual motion machine]]. | ||
Revision as of 11:29, February 22, 2007
The Second Law of Thermodynamics states that, in a closed system, entropy or disorder is always increasing. Put another way, heat tends to flow to cooler places. Another formulation is that energy associated with moving particles tends to degrade into heat.
The total entropy of the universe as a whole must always either increase or remain the same. It can never decrease. [1]
A consequence of this Law is that it is impossible to build a perpetual motion machine.
References
- ↑ Wile, Dr. Jay L. Exploring Creation With Chemistry. Apologia Educational Ministries, Inc. 1998
