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Chemistry (derived from alchemy) is the science of interactions between matter at or near the atomic scale. Such matter includes atoms and collections of atoms (such as molecules, crystals, and metals) that constitute materials encountered in everyday life. Chemistry deals with the composition and statistical properties of such structures, as well as their transformations and interactions. According to modern chemistry, the physical properties of materials are generally determined by their structure at the atomic scale. Chemistry is, along with physics, one of the most fundamental natural sciences.
Introduction
Chemistry is often called the central science because it connects other sciences, such as physics, material science, nanotechnology, biology and geology. Chemistry encompasses many specific specialized sub-disciplines that often overlap with significant portions of other sciences. Sub-disciplines, however, are very specific to chemistry, for example, they allow the manufacturing and testing of stronger materials, the synthesis of pharmaceuticals to treat disease, and determination of the mechanisms behind life processes.
A fundamental component of chemistry is that matter is involved. Chemistry may involve the interaction of matter with matter, or, involve matter with non-material phenomena such as energy. Most central and traditional to chemistry is the interaction of one substance with another such as in a chemical reaction where one substance or substances is transformed into another. This may involve electromagnetic radiation (as in photochemistry) where a chemical reaction is driven by the stimulation of light energy. However the chemical reaction is only part of a larger field that also studies matter in other ways. Chemical spectroscopists for example study the interaction of light with matter often without any reaction occurring.
More on [ Chemistry ]
I just registered for spring classes: chemistry, more chemistry, materials science, biology, and math. Yay science!
neonlines (Heidi Nelson) Wed, 18 Nov 2009 17:18:15 -0000
I just registered for spring classes: chemistry, more chemistry, materials science, biology, and math. Yay science!
promise to work on that journal of materials chemistry review paper tomorrow, was too occupied with other stuffs today
ChiDealer (ChiDealer) Wed, 18 Nov 2009 03:09:13 -0000
promise to work on that journal of materials chemistry review paper tomorrow, was too occupied with other stuffs today
Team Manager (Analytical Chemistry / Materials) -... http://jobsurl.com/112be3
greenjob (Gre
Ceramic Chemistry and Database Software - INSIGHT oxide chemistry glaze recipe calculation and FORESIGHT ceramic database
Meta Description: [ INSIGHT glaze software from Digitalfire helps you apply glaze chemistry to formulate and adjust ceramic glazes, enamel, glass and porcelain compounds ]
Cheops Analysis and Synthesis - Evaluates physical properties of organic liquids, linear and branched polymers, polymer networks, and copolymers based on their chemical structure only; designs chemical structures meeting user-defined property value criteria. Uses Quantitative Structure-Property Relationships methods. For Windows; demo version and purchasing information available.
Meta Description: [ Free Domain Forwarding! Free Change of Ownership! Free Parked page w/ domain! Free Domain Name Locking! We also offer many more options, just visit credoNIC.com for more information. ]
DTW Associates, Inc. - Polymer property modeling software, electronic handbook of polymer properties and product formulation software.
ESM Software Software for Materials Science - Materials science software, including materials properties databases, phase diagram collections, crystallography software, thermochemistry software and other packages. Demos and ordering information available.
Materials Explorer - Molecular dynamics software package by Fujitsu. Brochure, user's guide, and evaluation version.
MTDATA - Thermodynamics and Phase Equilibria Software - MTDATA - Windows software and thermodynamic databases for the calculation of chemical speciation and phase diagrams. Covers alloys, oxides, slags, molten salts, aqueous solutions and gases. Evaluation version available for download.
Meta Description: [ MTDATA is the software tool from NPL for the calculation of phase equilibria and thermodynamic properties in multicomponent multiphase systems. ]
Thermal Analysis Software - Thermokinetic analysis, thermal hazard simulation, viscosity / rheology modeling, and advanced software packages for use with thermal analysis instruments from all vendors using ASCII data.
Triton Technology Time Temperature Superposition (WLF) - WLF analysis package for DMA, DMTA and Rheological data.
Meta Description: [ The Triton Technology Ltd. Time Temperature Superposition software uses the WLF model to estimate the dynamic properties of materials at a much wider range of frequencies, by exploiting the relationship between temperature and time domain effects. ]
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