Freeware Listing: Reaction

A reaction object contains parameters that describe a chemical reaction scheme in terms of reagents, reaction steps, rate constants and equilibrium constants. The reaction can be evaluated to provide concentrations of species as a function of time and starting concentration. The reaction can also be evaulated to give the equilibrium concentrations of reagents. Thus: R=reaction({'a','b','c'},[-1 -1 1],10,100) returns R as a reaction object describing a simple bimolecular reaction "a + b --> c" with rate constant 10 and equilibrium constant 100. C=concentrations(R,0:10,[1,1,0]) returns a dataset object containing concentrations of a, b and c for the above reaction evaulated at time points 0:10 and starting concentrations a=1, b=1, c=0.

  • Platform: Matlab, Scripts

Reaction Equilibrium designed as a small and simple simulation tool that manages to illustrate qualitative concepts relating to chemical reaction equilibrium.

Problems in reaction equilibria are a staple of physical chemistry and thermodynamics courses, and their treatment via the formalism of the equilibrium constant is familiar to anyone with training in chemistry or chemical engineering.

While the use of these tools is not difficult to learn, an intuitive understanding of the standard Gibbs energy, enthalpy, and entropy of reaction can be more elusive.

Like everything in thermodynamics, they have their origin in molecular-level behaviors, and thus some understanding of them can be gained by observing molecules "react" while following Newtonian mechanics, and seeing how the emergent behavior can be...

  • Platform: WinOther

Chemical Reaction A BRK is a TTF character that will allow you to change the regular appearance of your written documents. All you have to do is install the font onto your PC then use it when writing your texts to see how it will give them a new aspect.

To install it, you can simply right-click the file and click Install. Alternately, you can install a font by dragging it into the Fonts folder you will find in the Control Panel page.

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  • Platform: WinOther

Chemical Reaction B BRK is a truetype font that will allow you to change the regular appearance of your written documents. All you have to do is install the font onto your PC then use it when writing your texts to see how it will give them a new aspect.

To install it, you can simply right-click the file and click Install. Alternately, you can install a font by dragging it into the Fonts folder you will find in the Control Panel page.

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  • Platform: WinOther

Chain Reaction Itaric is a truetype font that will allow you to give a fresh new look to all of your written documents. All you have to do is install the font onto your PC and use it for writing your texts to see how it will change their appearance.

To install it, you can simply right-click the file and click Install. Alternately, you can install a font by dragging it into the Fonts folder you will find in the Control Panel page.

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  • Platform: WinOther

Chain Reaction Outline is a TTF character that will allow you to change the regular appearance of your written documents. All you have to do is install the font onto your PC then use it when writing your texts to see how it will give them a new aspect.

To install it, you can simply right-click the file and click Install. Alternately, you can install a font by dragging it into the Fonts folder you will find in the Control Panel page.

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  • Platform: WinOther

SBML Reaction Finder is a small, easy to use application specially designed to offer you a tool for retrieving and extracting specific chemical reactions within the models of the Biomodels database.

Basically all that you have to do is enter the search term and just let SBML Reaction Finder take care of the rest. It's that easy!



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  • Platform: Windows 7, WinOther, WinVista

In this simple game you test your reaction speed by taking a photo when the lightning strikes. The faster your reaction time, the better the photo shot. You cannot take the photo before the lightning otherwise the game is lost..

  • Platform: Win2000, WinOther

In this game you should pick up the moon cakes in descending order of the number of yolks they have, as quickly as possible. The number of yolks ranges from 1 to 9 and you need to have fast reaction speed and instant judgement in order to master this game..

  • Platform: WinOther

Algorithms that optimally & efficiently map atomic reactions. See 1) Atomic Reaction Mapping {Crabtree: amazon, b&n} 2) J. of Exp. Algorithmics, Vol 13 {Crabtree, Mehta} 3) J. Chem. Inf. Model., 2010, 50 (9), pp 1751-1756 {Crabtree, Mehta, Kouri}..

  • Platform: WinOther

Chain Reaction is a game played on a rectangular field by setting stones causing chain reactions to oust the others from the field. This version works with gtkmm and lets you choose board size and player number. Networking support is planned..

  • Platform: WinOther

GRaPe - a platform-independent software tool for building integrative gene-reaction-protein (GRP) networks. It generates the kinetic equations for each reaction and outputs a SBML document. It also implements two methods for parameter estimation..

  • Platform: Linux, Mac OS X, WinOther

RMG is an automatic chemical reaction mechanism generator that constructs kinetic models composed of elementary chemical reaction steps using a general understanding of how molecules react (currently limited to C, H and O atoms)..

  • Platform: Linux, WinOther

Matlab implementation of a monodomain reaction-diffusion model in 2-D. The model equations are a variant of the Fitzhugh-Nagumo equations modified to simulate the cardiac action potential. The progression of the two normalized state variables, membrane voltage (v) and recovery (r), is computed across a 128 x 128 spatial domain and across time. This function simulates spiral waves, which are hypothesized to underlie reentrant tachycardia. The spiral waves can be initiated by two different cardiac pacing methods: (1) two-point stimulation where a point stimulus is delivered in the center of the domain followed by another point stimulus on the partially refractory wake of the first wave of excitation.

  • Platform: Matlab, Scripts

The program determines the constants Rmax and Km of the Michaelis-Menten model using data given in Fundamentals of Chemical Reaction Engineering by M. E. Davis & R. J. Davis, McGraw Hill, 2003. This data represents the substrate (catechol) concentration versus time. This data was obtained using E. herbicola immobilized in a polymer gel to catalyse the reaction of catechol to form L-dopa..

  • Platform: Matlab, Scripts

Chlorite-iodide-malonic acid (CIMA) reaction gives rise to temporal oscillations. Governing equations and reaction scheme can be found in: (1) I. R. Epstein and J. A. Pojman, An Introduction to Nonlinear Chemical Dynamics, Oscillations, Waves, Patterns, and Chaos, Oxford University Press, Oxford, 1998 and (2) G. Nicolis, Dynamique Chimique, Thermodynamique, cindoTetique et mdoTecanique statistique, Dunod, Paris 2005. Two cases are studied by varying the parameter called b. We get sustained oscillation in the first case. While in the second case, we get a stable steady state.

  • Platform: Matlab, Scripts

The program uses simulink to compute the reaction paths in three-species reaction mixture and plots these paths in an equilateral graph. This problem was first treated by Wei and Prater. Applications of this problem include butene isomerization..

  • Platform: Matlab, Scripts

From undergraduate chemistry, we know how to test whether a reaction is 0th, 1st, or 2nd order by plotting different transformations of the data, and inspecting which plot fits the best. This program does the same thing. It transforms the data using different values of the order, attempting to maximize the Pearson r-squared value. Its much faster than making and inspecting a multitude of different plots. The picture above is essentially an example. I used the Wikipedia article for the n-th order transformation equation. (http://en.wikipedia.org/wiki/Rate_equation#Summary_for_reaction_orders_0.

  • Platform: Matlab, Scripts

WARNING: This procedure is effective even when reactions are not known a priori (reactants & products that participate in the reaction). This m-file presents a method for identifying and balancing any number of chemical reactions. The procedure is based on the singular-value-decomposition of the formula matrix for the reaction mixture. The method is effective even when the reactions are not known a priori. Inputs: (varargin) = (s1 = species 1(cell array),s2 = species 2(cell array) ...sN = species N(cell array) The species is the 'formula'. eg. 'CH4' . Output: A table of the balancing coefficients.

  • Platform: Matlab, Scripts

Simply put,a reaction map starting with pentane,linking to all possible products and products of those products,required reagents/conditions, to create the biggest possible reaction map for easy acess.
Organic Chemistry Reaction Map License - GNU General Public License (GPL).

  • Platform: WinOther

Reaction: Freeware | All

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