Chemical thermodynamics
hideChemical thermodynamics is the study of the interrelation of heat and work with chemical reactions or with physical changes of state within the confines of the laws of thermodynamics. Chemical thermodynamics involves not only laboratory measurements of various thermodynamic properties, but also the application of mathematical methods to the study of chemical questions and the spontaneity of processes.
The structure of chemical thermodynamics is based on the first two laws of thermodynamics. Starting from the first and second laws of thermodynamics, four equations called the "fundamental equations of Gibbs" can be derived. From these four, a multitude of equations, relating the thermodynamic properties of the thermodynamic system can be derived using relatively simple mathematics. This outlines the mathematical framework of chemical thermodynamics.
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News tagged with chemical energy
A light touch: Iron complexes as efficient catalysts for the light-driven extraction of hydrogen from water
Dec 02, 2009 |
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(PhysOrg.com) -- Hydrogen is a promising alternative energy carrier that can be efficiently converted into electrical energy in fuel cells. One hurdle to the introduction of sustainable hydrogen technology is the fact that ...
First Pump-Probe Experiment at Linac Coherent Light Source Completed
Nov 30, 2009 |
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(PhysOrg.com) -- The first experiment using the Linac Coherent Light Source to illuminate molecules via a "pump-probe" technique has been completed by an international team of more than 30 scientists from ...
Simultaneous Nanoscale Imaging of Surface and Bulk Atoms
Sep 21, 2009 |
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(PhysOrg.com) -- Brookhaven Lab scientists have developed a new scanning electron microscope capable of selectively imaging single atoms on a surface while simultaneously probing atoms throughout the sample?s ...
Scientists hone technique to safeguard water supplies
Aug 28, 2009 |
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A method to detect contaminants in municipal water supplies has undergone further refinements by two Oak Ridge National Laboratory researchers whose findings are published on line in Water Environment Research.
Scientists discover a new mechanism controlling neuronal migration
Medicine & Health / Neuroscience
Jul 15, 2009 |
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The molecular machinery that helps brain cells migrate to their correct place in the developing brain has been identified by scientists at St. Jude Children's Research Hospital. The finding offers new insight into the forces ...
Salmonella's sweet tooth predicts its downfall
May 19, 2009 |
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For the first time UK scientists have shown what the food poisoning bug Salmonella feeds on to survive as it causes infection: glucose.
Physicist develops battery using new source of energy
Mar 11, 2009 |
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Researchers at the University of Miami and at the Universities of Tokyo and Tohoku, Japan, have been able to prove the existence of a "spin battery," a battery that is "charged" by applying a large magnetic ...
Stainless Steel Catalyst Lowers Cost of Microbial Fuel Cells
Feb 23, 2009 |
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(PhysOrg.com) -- Tiny bacteria munching on and metabolizing biodegradable materials can produce electrons that could be harnessed by microbial fuel cells for energy. By taking advantage of the catalytic reactions ...
Enzyme cocktail converts cellulosic materials, water into hydrogen fuel
Feb 11, 2009 |
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Tomorrow's fuel-cell vehicles may be powered by enzymes that consume cellulose from woodchips or grass and exhale hydrogen.
