It is particularly good in dealing with astronomy and physics. In addition to its applications to chemistry, WolframAlpha is a great source of information on other subjects. I have not explored the chemistry app and so cannot comment on its effectiveness. It should also be mentioned that WolframAlpha has a number of smart phone and iPad apps on various subjects including chemistry.
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Examine the example section on Mathematics to see how to do these calculations. The website can also be used to compute integrals, take derivatives and do problems involving matrices and linear algebra. It also shows a plot of the quadratic function indicating the two points on the curve where it equals zero.
For example, in doing a weak acid ionization problem, simply type the quadratic equation into the search box and WolframAlpha will compute the two roots. It can solve equations of various levels of complexity. In order to see how to use these applications click on Examples and then select Statistics and Data Analysis. It can do regression analysis using linear, quadratic, cubic or exponential fits to data. WolframAlpha has tremendous mathematical computational capabilities. It can be used to do conversions of calories to joules, atmospheres to pascals, moles to grams and vice versa. I often use WolframAlpha to quickly and conveniently obtain the values of important physical constants such as the Boltzmann, Planck, Faraday or gas constants. WolframAlpha can also do problems associated with chemical equations. A 2x10-8 M acetic acid solution will not have a pH>7. Calculations involving very low concentrations of weak acids will include contributions from the autoionization of water to the pH. If you type in “0.0014 M acetic acid,” Wolfram will compute many of the properties of the solution including the pH and the degree of dissociation. If you want specific information, such as the density of diamond, type in “diamond density.” If you need to prepare 4.0 L of 0.0256 M sodium chloride solution, type the description on the search line and Wolfram will compute the number of grams you will need in order to prepare the solution. You can compare two or more compounds by just typing names of each separated by a comma.
In order to get information about any element or compound, simply type the name or formula into the search box and a wealth of information, including thermodynamic data, will come up. The easiest way to get to WolframAlpha is to type the name into the search box of your browser. The purpose of this report is to describe some of the chemical applications of WolframAlpha. It also has tremendous computational capabilities. I have found this website to be a wonderful source of information and a great time saver. WolframAlpha is a valuable website for chemistry teachers and students.
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