Big Chemical Encyclopedia

Chemical substances, components, reactions, process design ...

Articles Figures Tables About

Some simple applications

We now know how to determine in which direction any chemical reaction will proceed at a given temperature and pressure, at least when all the products and reactants are pure phases. When even one of the products or reactants is a solute, that is, part of a solution, we would be stuck because although we have had a brief look at how calorimetry can be used with liquids and liquid solutions, we haven t yet seen how to use the data obtained. We will start considering this problem in the next chapter. Before going on, however, we should explore some relationships using the concepts we have defined so far, so as to make sure we fully understand them. Naturally, we will only be able to consider some simple properties of pure phases, and reactions between pure phases. [Pg.150]


Several examples of the application of quantum mechanics to relatively simple problems have been presented in earlier chapters. In these cases it was possible to find solutions to the Schrtidinger wave equation. Unfortunately, there are few others. In virtually all problems of interest in physics and chemistry, there is no hope of finding analytical solutions, so it is essential to develop approximate methods. The two most important of them are certainly perturbation theory and the variation method. The basic mathematics of these two approaches will be presented here, along with some simple applications. [Pg.151]

This book has only limited scope for describing control charts and the statistical theory on which they are based. Some simple applications are briefly described below, together with a simplified statistical explanation. For more detailed information, you should refer to the relevant standards and guides [1-5]. [Pg.147]

Although several examples implementing the Newton-Raphson method for the computation of chemical equilibrium are developed in Chapter 6, we will now present some simple applications that illustrate its basic principles. [Pg.143]

Continuing our survey of some simple applications of wave mechanics to problems of interest to the nuclear chemist, let us consider the problem of a particle confined to a one-dimensional box (Fig. E.2). This potential is flat across the bottom of the box and then rises at the walls. This can be expressed as ... [Pg.650]

Even if some interesting applications of the GHF-method had been found in solid-state theory [23,24], the applications to molecular systems were comparativlely few [40]. One major application to molecular systems had been worked out by Fukutome [40], and it was a study of the properties of the polyacetylene by means of the Pariser-Parr-Pople (PPP) approximation. It seemed hence desirable to make a molecular study based on ab-inttU) calculations to verify that one would get similar results and to get some experience in handling general Hartree-Fock orbitals of a complex nature, and for this purpose we started with some simple applications to atoms and to the BH molecule. [Pg.93]

J.K. Lenstra and A.H.G. Rinnooy Kan, 1975, Some simple applications of the traveling salesman problem. Operations Research Quarterly, 26(4), 717-733. [Pg.574]

In Section 2, we provide a precis of stopping power theory and its connection to the END approach for which we outline the salient features in Section 3. In Section 3.2, we discuss the treatment of the END trajectories and their connection to the differential cross section and energy loss. In Section 4, we present some simple applications and results of our approach. In Section 5, we discussed future directions on the END approach to stopping cross section. Finally, Section 6 contains our conclusions. [Pg.101]

A short overview of q-deformed algebras and some simple applications... [Pg.279]

In some simple applications it is sufficient to record the RMS signal. An example of this would be detecting fine material in a gas stream downstream of a cyclone. [Pg.3891]

Chapter 1 introduced the reader to the notion of diffusional processes in which mass transfer takes place by molecular motion only and is proportional to the concentration gradient of the diffusing species. This proportionality is enshrined in Pick s law of diffusion and this introductory chapter was used to acquaint the reader with some simple applications of that law (see Illustration 1.2 and Illustration 1.3). The intent of the present chapter, and the one that follows, is to amplify and expand the material on diffusion presented in Chapter 1. [Pg.91]

SOME SIMPLE APPLICATIONS OF RAOULT S AND HENRY S LAWS... [Pg.43]

State-to-state NBO transferability suggests how familiar NBO/NRT methodology may be applied consistently to analysis of an entire excitation manifold. Some simple applications to acrolein excited states are illustrated in ensuing sections. [Pg.274]

It is interesting to see that this more general situation can arise in some simple applications. Consider first the general condition for an extremum in the flux N(s,E) ... [Pg.275]

Some simple applications of the first law are presented in the next Examples, which consider ... [Pg.51]


See other pages where Some simple applications is mentioned: [Pg.170]    [Pg.66]    [Pg.54]    [Pg.170]    [Pg.150]    [Pg.152]    [Pg.154]    [Pg.156]    [Pg.158]    [Pg.160]    [Pg.162]    [Pg.164]    [Pg.166]    [Pg.168]    [Pg.170]    [Pg.172]    [Pg.174]    [Pg.429]   


SEARCH



SOME APPLICATIONS

Simple Applications

© 2024 chempedia.info