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- Reaction Thermodynamics Vs. Chemical Experiment Simulation
Reaction Thermodynamics im Vergleich zu Chemical Experiment Simulation Nutzung und Statistiken
Reaction Thermodynamics helps in evaluation of main thermodynamic parameters of a chemical reaction.
Application calculates the following parameters:
- Standard free Gibbs energy, enthalpy and entropy from formation energy parameters.
- Reaction quotient (Q) from concentrations, pressures and reaction stoichiometry.
- Non standard energy parameters (dG, dH, dS) from standard ones, quotient and temperature.
- Reaction equilibrium constant, Keq.
- Van't Hoff relation to follow change in equilibrium constant with temperature assuming constant reaction enthalpy.
List of Formulas:
Quotient = Π(C, P)
ΔGº = Σ(ΔGºf)
ΔHº = Σ(ΔHºf)
ΔSº = Σ(Sºf)
ΔG = ΔH – TΔS
ΔGº = - RTlnKeq
Keq = e^(-ΔGº/RT)
ΔG = ΔGº + RTlnQ
ΔGº = ΔHº – TΔSº
ΔHº = ΔGº + TΔSº
ΔSº = (ΔHº - ΔGº)/T
Keq2 = Keq⋅e^(ΔHº/R⋅(1/T1 - 1/T2))"
Scrolling to the required formula and pressing run button initiates calculation according to the formula and set results in the appropriate fields ((dG°, dH°, dS°, Keq, dG, dH, dS, Keq2) and in the fields for standard parameters. Please pay attention to the parameters needed for solution of the formulas.
If formation parameters are unknown, the standard parameters can be filled in directly.
The default units are kJ/mole for dG and dH, kJ/Kmole for dS. Keq units depend on reaction stoichiometry and may be unitless or any mixture of Molar and atm.
Important!!! If compound doesn't participate in equilibrium calculation (like in case of water in water solution or solid in gas phase reaction) please set concentration of the compound to 1 or set its stoichiometric coefficient to 0 (depends on case) to ensure proper Quotient calculations. Ask developer directly in case of a ambiguity.
Reaction stoichiometric parameters and concentration/pressure units can be changed by pressing the corresponding fields.
For further details please refer to www.volard.wordpress.com
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Chemical Experiment Simulation is a software that simulates hands-on chemical experiments on mobile phones. At the same time, it also contains a lot of rich chemical knowledge. It is a unique and interesting software.
Several important functions in the software:
1. Use your own hands to arbitrarily combine experimental devices on your mobile phone, give play to your imagination, and use your chemical knowledge to create different experimental combinations. At the same time, after the experiment, we will also provide users with the experimental results and the reaction equations used in the experiment, so that users can clearly know the whole chemical reaction process.
2. View and operate case experiments. Several representative chemical experiment cases are built in the software. Users can assemble these case experiment instruments according to the prompts to complete the experiments. We also provide detailed knowledge explanation for each case experiment, so that users can understand the reaction principle and be familiar with the reaction process.
3. Check the chemical elements. The software also includes two parts: intelligent element periodic table and element list. Users can view the information of an element and its related compounds from these two interface functions as needed. At the same time, it also includes a variety of display and arrangement methods, which makes the periodic table more convenient and intelligent.
4. Check the chemicals. The software has built-in more than 100 common chemical substances. Users can find and view some chemical substances in the list of substances. The basic information of these chemical substances is listed in detail in the software, and the common chemical reaction equations involved in these substances are also listed in particular.
5. Check the chemical reaction equation. Hundreds of chemical reaction equations are built into the software, and users can find and view them in the equation list. At the same time, enter the equation details page, and users can also directly conduct experiments according to this equation and directly observe the experimental phenomena.
6. Support rich extension functions. The software allows users to add chemical substances and chemical reaction equations by themselves, and use the newly added substances or equations for experiments, which greatly improves the expansion and richness of the software.
7. The software also adds a function of compound exercise distribution map, according to which users can be familiar with the exercises between various substances.
8. Check the functions of some basic chemistry knowledge. The software has built-in many basic chemical knowledge (such as metal activity sequence table, introduction of common laboratory instruments, etc.), which users can easily view.
In short, this software is a systematic expansion of chemical experiments and chemical knowledge. It makes it easier and more interesting for users to observe and learn chemical knowledge.
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Reaction Thermodynamics VS.
Chemical Experiment Simulation
Dezember 17, 2024