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Analytical, inorganic, organic, physical, nuclear, theoretical, and biochemistry.

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Computing integral errors: Mathematica vs Matlab Simulink

QUESTION FROM: Housam Binous | 5 days ago
Chemistry , Control Systems , Engineering , ...
0
REPLIES
261
VIEWS

CH4 molecular geometry: model verification and minimal enclosing tetrahedron

QUESTION FROM: Wen Dao | 1 month ago
Chemistry , Geometry , Graphics and Visualization , Wolfram Language
0
REPLIES
827
VIEWS

Solve a PDE with boundary conditions (chemical adsorption in fixed beds)?

QUESTION FROM: Alberto Silva Ariano | 5 months ago BY: Alberto Silva Ariano
Calculus , Chemistry , Equation Solving , Mathematics , ...
7
REPLIES
12.8K
VIEWS

3D rotate a MoleculePlot3D

QUESTION FROM: Robert Mendelsohn | 5 months ago BY: Robert Mendelsohn
Chemistry , Graphics and Visualization , Import and Export , ...
3
REPLIES
1.7K
VIEWS

Has the latest update to IsotopeData caused a loss of precision?

QUESTION FROM: Otto Linsuain | 5 months ago BY: Otto Linsuain
Chemistry , Curated Data , Wolfram Language
2
REPLIES
1K
VIEWS

Can System Modeler simulate complex Chemical processes with multiple units?

QUESTION FROM: Jose Calderon | 8 months ago BY: Jan Brugard
Chemistry , Modeling , SystemModeler
1
REPLIES
2K
VIEWS

Electrochemical corrosion process simulation

QUESTION FROM: Rogelio de las Casas | 9 months ago
Chemistry , Engineering , Material Sciences , Modeling , ...
0
REPLIES
1.2K
VIEWS

Missing outputs from ElementData

QUESTION FROM: Mahaveer Gangwar | 9 months ago BY: Hans Milton
Chemistry , Curated Data , Wolfram Language
1
REPLIES
1K
VIEWS

Errors in code for fission yield analysis across different patterns

QUESTION FROM: Hirokazu Maruyama | 10 months ago BY: Hirokazu Maruyama
Chemistry , Optimization , Tuning and Debugging , Wolfram Language
1
REPLIES
1.6K
VIEWS

Result change when variable has index in WA (modeling chemical equilibrium)

QUESTION FROM: Andreas Uhe | 1 year ago BY: Roger Wells
Chemistry , Wolfram|Alpha
1
REPLIES
3K
VIEWS

Why my IAE plot is off with respect to result by Dorf and Bishop?

QUESTION FROM: Housam Binous | 1 year ago BY: Housam Binous
Chemistry , Control Systems , Engineering , ...
3
REPLIES
2.2K
VIEWS

Ponchon-Savarit Diagram using Aspen-Hysys Thermodynamic Database

QUESTION FROM: Housam Binous | 1 year ago BY: EDITORIAL BOARD
Staff Picks , Chemistry , Equation Solving , ...
1
REPLIES
4K
VIEWS

Input forms in SpectralLineData

QUESTION FROM: Joe Prendergast | 2 years ago BY: Eric Rimbey
Chemistry , Curated Data , Wolfram Language
2
REPLIES
2.6K
VIEWS

Chemical Element Binding Energy vs Ionization Energies

QUESTION FROM: James Bowery | 2 years ago BY: Joshua Schrier
Chemistry , Curated Data , Units , Wolfram Language
2
REPLIES
3.5K
VIEWS

Import SPE files into Mathematica Notebook?

QUESTION FROM: Nicholas Heller | 2 years ago BY: Benoit Eble
Chemistry , External Programs and Systems , Image Processing , ...
1
REPLIES
5.7K
VIEWS

Computational chemist - full time job opportunity

QUESTION FROM: Russell Foltz-Smith | 2 years ago BY: Aliasghar Sepehri
Chemistry , Interface Construction , Jobs & More Exchange , ...
2
REPLIES
13.6K
VIEWS

How to set up a simple plot of pH against volume of titrant?

QUESTION FROM: Paul Newton | 2 years ago BY: Paul Newton
Chemistry , Graphics and Visualization , Wolfram Language
43
REPLIES
9.9K
VIEWS

Viewing molecular orbitals .cube files. Problem with version 13.1

QUESTION FROM: Per Hedegard | 3 years ago BY: Updating Name
Chemistry , Graphics and Visualization , Import and Export , ...
1
REPLIES
3.6K
VIEWS

Graph Convolution Network, molecule activity

QUESTION FROM: Arun Sharma | 3 years ago BY: Giulio Alessandrini
Chemistry , Data Science , Machine Learning , Material Sciences , ...
1
REPLIES
4.8K
VIEWS

Building a molecule as union of two existing molecules

QUESTION FROM: Lawrence Winkler | 3 years ago BY: Lawrence Winkler
Chemistry , Wolfram Language
2
REPLIES
5.9K
VIEWS

Extraction of half life time of an isotope?

QUESTION FROM: Peter Klamser | 3 years ago BY: Rohit Namjoshi
Chemistry , Curated Data , Wolfram|Alpha Integration , ...
5
REPLIES
7.7K
VIEWS

Getting ChemicalData to work?

QUESTION FROM: Henrique Padilha | 3 years ago BY: Jason Biggs
Chemistry , Curated Data , Engineering , Material Sciences , ...
4
REPLIES
14.5K
VIEWS

Wolfram Neural Net Repository (WNNR) and model discussions

QUESTION FROM: Test Account | 3 years ago BY: Test Account
Audio, Sound and Music , Biological Sciences , Chemistry , ...
5
REPLIES
10.1K
VIEWS

Using NBodySimulation with a custom pairwise function?

QUESTION FROM: Madeleine Sutherland | 4 years ago BY: Hans Dolhaine
Chemistry , Physics , Wolfram Language
8
REPLIES
6.7K
VIEWS

How does the Model describe Ilya Prigogine`s dissipative structures theory?

QUESTION FROM: Constantin Cozma | 4 years ago
Biological Sciences , Chemistry , Physics , ...
0
REPLIES
2.6K
VIEWS

Further IUPAC naming support in Wolfram|Alpha in the future?

QUESTION FROM: Garrett Cairo | 4 years ago BY: Praveen Kumar M
Chemistry , Wolfram|Alpha
1
REPLIES
9.7K
VIEWS

Error while using NDSolve?

QUESTION FROM: Maggie Purvis | 4 years ago BY: Bill Nelson
Algebra , Chemistry , Equation Solving , Mathematics , ...
1
REPLIES
4.8K
VIEWS

WolframAlpha Pro account question

QUESTION FROM: Ian Crawford | 4 years ago BY: Arun Jayapal
Chemistry
2
REPLIES
12K
VIEWS

Create OBJ file with color (texture) for 3D printing molecules?

QUESTION FROM: Les Butler | 4 years ago
3D Printing , Chemistry , Graphics and Visualization , ...
0
REPLIES
3.6K
VIEWS

Manipulate function on Wolfram cloud?

QUESTION FROM: N Ibrahim | 4 years ago BY: Rohit Namjoshi
Chemistry , Data Science , Dynamic Interactivity , Machine Learning , ...
5
REPLIES
4.9K
VIEWS

Periodic system with atomic numbers

QUESTION FROM: Imre Pazsit | 4 years ago BY: Lissa de Souza Campos
Chemistry , Curated Data , Data Science , ...
6
REPLIES
9.1K
VIEWS

Repost: Finding the original Chemical Entity after making it a molecule

QUESTION FROM: N Ibrahim | 5 years ago BY: Jason Biggs
Chemistry , Curated Data , Wolfram Language
1
REPLIES
5.7K
VIEWS

[Solved] Mapping Length over each class in EntityClassList["Chemical"]

QUESTION FROM: N Ibrahim | 5 years ago BY: Rohit Namjoshi
Chemistry , Curated Data , Wolfram Language
6
REPLIES
6.1K
VIEWS

How to classify atoms in 3-dimensional space into molecules?

QUESTION FROM: Haobo Xia | 5 years ago BY: Haobo Xia
Chemistry , Data Science , Graphics and Visualization , ...
3
REPLIES
7.7K
VIEWS

Speed up this curve fitting?

QUESTION FROM: Sean Bingus | 5 years ago BY: Sean Bingus
Chemistry , Mathematics , Physics , Wolfram Language
3
REPLIES
5.6K
VIEWS

Obtain each residue with MultiNonlinearModelFit global analysis

QUESTION FROM: Hélène PASQUIER | 5 years ago BY: Hélène PASQUIER
Calculus , Chemistry , Mathematics , Modeling , ...
5
REPLIES
8.7K
VIEWS

Fit data by combination of functions, solutions of differential eq.

QUESTION FROM: Hélène PASQUIER | 5 years ago BY: Hélène PASQUIER
Calculus , Chemistry , Equation Solving , Mathematics , ...
4
REPLIES
7.4K
VIEWS

[Notebook] Chaos Game For Clustering of Novel Coronavirus COVID-19

QUESTION FROM: Mohammad Bahrami | 5 years ago BY: Jason Zhao
Staff Picks , Biological Sciences , Chemistry , Data Science , ...
2
REPLIES
17.3K
VIEWS

Calculate a Sum with fractional iterators (chemistry problem)

QUESTION FROM: Alberto Silva Ariano | 5 years ago BY: Hans Dolhaine
Chemistry , Mathematics , Wolfram Language
20
REPLIES
10.2K
VIEWS

How do you like your Hydrogens? Request for user feedback

QUESTION FROM: Jason Biggs | 6 years ago BY: Claudio Chaib
Chemistry , Curated Data , Data Science , ...
1
REPLIES
8.8K
VIEWS

[?] Solve an equation for peptide deletion sequences?

QUESTION FROM: Lutz Adam | 6 years ago BY: Lutz Adam
Chemistry , Equation Solving , Mathematics , Wolfram|Alpha , ...
2
REPLIES
5.8K
VIEWS

Plot a free energy landscape?

QUESTION FROM: Lucy Wairimu | 6 years ago BY: Lucy Wairimu
Chemistry , Geographic Information System , Mathematics , Physics , ...
4
REPLIES
7.9K
VIEWS

Inconsistency in molar mass of Oxygen?

QUESTION FROM: rafael ibanez | 6 years ago BY: Aaryan Khan
Chemistry , Curated Data , Wolfram Language
3
REPLIES
16.7K
VIEWS

Use FindFit to get the rate constants for a chemical reaction?

QUESTION FROM: Troy Wahl | 6 years ago BY: Sjoerd Smit
Chemistry , Mathematics , Modeling , Physics , Wolfram Language
3
REPLIES
8.8K
VIEWS

Fix graphics from Demo "Isotope Browser" (no graphics output)

QUESTION FROM: David Wood | 6 years ago BY: David Wood
Chemistry , Demonstrations , Physics , Wolfram CDF Player , ...
2
REPLIES
8.5K
VIEWS

Usable Property for ElementData absent from ElementData["Properties"]

QUESTION FROM: Edwin K | 6 years ago BY: Anonymous User
Chemistry , Curated Data , Wolfram Language
3
REPLIES
6.4K
VIEWS

Get numerical solution of PDE for diffusion at high diffusion rates?

QUESTION FROM: Rutton Patel | 6 years ago BY: Rutton Patel
Calculus , Chemistry , Equation Solving , Mathematics , Modeling , ...
23
REPLIES
17.8K
VIEWS

Modeling jump conditions in interphase mass transfer

QUESTION FROM: Tim Laska | 6 years ago BY: Anonymous User
Staff Picks , Calculus , Chemical Engineering , Chemistry , ...
19
REPLIES
38.6K
VIEWS

Solve analytically 1D transport equation?

QUESTION FROM: Natash A | 6 years ago BY: Tim Laska
Chemistry , Equation Solving , Mathematics , Symbolic Computations , ...
11
REPLIES
11.4K
VIEWS

Using Findfit

QUESTION FROM: Damodaran Achary | 7 years ago BY: Rohit Namjoshi
Chemical Engineering , Chemistry , Data Science , Mathematics
8
REPLIES
25.9K
VIEWS

Solve the following simple system of equations?

QUESTION FROM: Jonathan Witt | 7 years ago BY: Mariusz Iwaniuk
Chemistry , Equation Solving , Mathematics , Wolfram Language
2
REPLIES
8K
VIEWS

Would anyone like to test my package for crystallography?

QUESTION FROM: Stian Ramsnes | 7 years ago BY: Stian Ramsnes
Chemistry , Material Sciences , Mathematica , Numerical Computation , ...
4
REPLIES
9.9K
VIEWS

[?] Errors in some ChemicalData isomeres?

QUESTION FROM: Jus Krey | 7 years ago BY: Jus Krey
Chemistry , Curated Data , Wolfram Language
2
REPLIES
10K
VIEWS

Find the chemical composition of a compound solving a system of equations?

QUESTION FROM: Juan Manuel Casas-Solvas | 7 years ago BY: David J M Park Jr
Algebra , Chemistry , Equation Solving , Mathematics , ...
8
REPLIES
9.6K
VIEWS

Plot Molar Mass (from book example)?

QUESTION FROM: Anonymous User | 7 years ago BY: Shenghui Yang
Chemistry , Curated Data , Graphics and Visualization , ...
1
REPLIES
5.8K
VIEWS

Why doesn't MoleculePlot show AgNO3 ?

QUESTION FROM: Anonymous User | 7 years ago BY: Anonymous User
Chemistry , Curated Data , Mathematica , Wolfram Language
4
REPLIES
10.6K
VIEWS

Calculate the entropy of saturated vapor?

QUESTION FROM: Glenn Carlson | 7 years ago BY: Glenn Carlson
Chemistry , Curated Data , Mathematics , Physics , Units , ...
3
REPLIES
9.9K
VIEWS

[?] Plot a graph for viscosity vs. molecular weight?

QUESTION FROM: Arm Mo | 7 years ago BY: Arm Mo
Chemistry , Dynamic Interactivity , Graphics and Visualization , ...
4
REPLIES
12.8K
VIEWS

Calculate the background of the annexed spectrum with EstimatedBackground?

QUESTION FROM: Sandra Fernandes | 8 years ago BY: Sandra Fernandes
Chemistry , Import and Export , Signal Processing , Wolfram Language
4
REPLIES
8.8K
VIEWS

[?] Put a nicely formatted label in front of the sliders in a Manipulate?

QUESTION FROM: James Harynuk | 8 years ago BY: James Harynuk
Chemistry , Dynamic Interactivity , Graphics and Visualization , ...
2
REPLIES
12.1K
VIEWS

Does W|Alpha provide estimates such as "hydrogen mass present on Earth"?

QUESTION FROM: Tom Reat | 8 years ago
Chemistry , Curated Data , Earth Science , Environmental Science , ...
0
REPLIES
4.8K
VIEWS

Run the "Water and Steam Thermodynamic and Transport Prop." archive code?

QUESTION FROM: Moritz Pallua | 8 years ago
Chemical Engineering , Chemistry , External Programs and Systems , ...
0
REPLIES
6K
VIEWS

[?] Use ScalingFunction "Reverse" in a Log Plot?

QUESTION FROM: Michele Porto | 8 years ago BY: Michele Porto
Chemistry , Graphics and Visualization , Wolfram Language
4
REPLIES
8.9K
VIEWS

Use heat of fusion as a property under symbol ChemicalData?

QUESTION FROM: Ralph Jones | 8 years ago
Chemistry , Curated Data , Engineering , Wolfram Language
0
REPLIES
3.9K
VIEWS

Correct a NDSolve approach when an argument contains an InverseFunction?

QUESTION FROM: Mervin Hanson | 8 years ago BY: Mervin Hanson
Chemistry , Equation Solving , Mathematics , Numerical Computation , ...
3
REPLIES
10.1K
VIEWS

Solve a metallurgical mass balance (system of 7 equations with 7 unknowns)?

QUESTION FROM: Alberto Silva Ariano | 8 years ago BY: Sander Huisman
Chemistry , Engineering , Equation Solving , Material Sciences , ...
3
REPLIES
10.6K
VIEWS

Solve Redox equation with inexact coefficients, Solve[Log10[f(x)]]?

QUESTION FROM: Jonas N. | 9 years ago BY: Jonas N.
Algebra , Chemistry , Equation Solving , Mathematics , ...
9
REPLIES
12.7K
VIEWS

Fitting system of Differential equations to a dataset

QUESTION FROM: A Magyar | 9 years ago BY: kirt robinson
Calculus , Chemistry , Mathematica
5
REPLIES
29.1K
VIEWS

Select the right MolarMass result for a chemical compound?

QUESTION FROM: rafael ibanez | 9 years ago BY: Sander Huisman
Chemistry , Curated Data , Wolfram Language
1
REPLIES
7.5K
VIEWS

Nonlinear fitting with latest MMA 10.4.1 vs MMA 7?

QUESTION FROM: Walter Schrabmair | 9 years ago BY: Walter Schrabmair
Biological Sciences , Chemistry , Data Science , ...
2
REPLIES
8K
VIEWS

Atom types created by Mathematica not read by other programs

QUESTION FROM: Eft Rsd | 9 years ago BY: Eft Rsd
Chemistry , Curated Data , External Programs and Systems , ...
12
REPLIES
11.5K
VIEWS

Generate LogLinearPlot for the following function?

QUESTION FROM: Rahul Kumar | 9 years ago BY: Gianluca Gorni
Chemistry , Graphics and Visualization , Material Sciences , ...
1
REPLIES
8.9K
VIEWS

Plot 3D experimental data?

QUESTION FROM: Gabriel Meloni | 9 years ago BY: Marco Thiel
Chemistry , Graphics and Visualization , Import and Export , Units , ...
6
REPLIES
9.4K
VIEWS

Problem with Numerical Integration of Aspirin Synthesis Reaction

QUESTION FROM: Robin Hartley | 10 years ago BY: Robin Hartley
Chemical Engineering , Chemistry , Mathematics
12
REPLIES
14.2K
VIEWS

Trouble with Wolfram Alpha API and its podstates

QUESTION FROM: I S | 10 years ago BY: I S
Chemistry , Wolfram|Alpha , Wolfram Cloud , ...
2
REPLIES
14.3K
VIEWS

Balance redox reactions

QUESTION FROM: Rasmus. C. O. Petersen | 10 years ago BY: Murray Eisenberg
Chemistry , Equation Solving , Wolfram|Alpha
4
REPLIES
19.3K
VIEWS

System of differential equations for chemical reactions

QUESTION FROM: I S | 10 years ago BY: Marco Thiel
Chemical Engineering , Chemistry , Environmental Science , ...
1
REPLIES
9.4K
VIEWS

How can I put a chemical stoichiometry equation with units into W|A?

QUESTION FROM: Ian Sanders | 10 years ago BY: Sean Clarke
Chemistry , Units , Wolfram|Alpha
1
REPLIES
13.8K
VIEWS

Organize data in table and adding column to data

QUESTION FROM: Dodji Cohovi | 10 years ago BY: Alexey Popkov
Biological Sciences , Chemical Engineering , Chemistry , Economics , ...
2
REPLIES
17.4K
VIEWS

Solving Shrodinger equation for Hydrogen molecular Ion

QUESTION FROM: Giorgio Ripani | 10 years ago BY: S M Blinder
Chemistry , Equation Solving , Mathematica , Mathematics , Physics
2
REPLIES
14.1K
VIEWS

What's the best way to visualize a 3D scalar field?

QUESTION FROM: Jonathan Miorelli | 10 years ago BY: Jonathan Miorelli
Chemistry , Education , Graphics and Visualization , Wolfram Language
3
REPLIES
20.4K
VIEWS

boundary conditions in the CellularAutomaton function

QUESTION FROM: Richard Gaylord | 10 years ago BY: Todd Rowland
Biological Sciences , Chemistry , Physics , Social Science , ...
2
REPLIES
12.8K
VIEWS

How to obtain a derivative of a list of data?

QUESTION FROM: Chis Schmidt | 10 years ago BY: Chis Schmidt
Chemistry , Earth Science , Mathematica
2
REPLIES
10.3K
VIEWS

What are the comands: "GraphicsComplex3DBox","CylinderBox" and "SphereBox"?

QUESTION FROM: Marlon Basantes | 10 years ago BY: David Reiss
Chemistry , Graphics and Visualization , Mathematica , Packages , ...
1
REPLIES
9.2K
VIEWS

How to shift functions in a multiple-function plot?

QUESTION FROM: Ricardo Garcia | 10 years ago BY: Gianluca Gorni
Chemistry , Computer Science , Mathematics , Optics , Physics
6
REPLIES
11.4K
VIEWS

How do I go about installing and using LevelScheme?

QUESTION FROM: Ricardo Garcia | 10 years ago BY: Sean Clarke
Chemistry , Mathematics , Physics
1
REPLIES
8.9K
VIEWS

Searching with StringCases in ChemicalData

QUESTION FROM: Chiel Geeraert | 10 years ago BY: Chiel Geeraert
Chemistry , Symbolic Computations , Wolfram Language
3
REPLIES
9.7K
VIEWS

ElementData on v9.0.1.0

QUESTION FROM: Jean-Christophe Deschamps | 10 years ago BY: Jean-Christophe Deschamps
Chemistry , Curated Data , Mathematica
2
REPLIES
9.1K
VIEWS

Understanding how to use ElementData

QUESTION FROM: David Diviad | 10 years ago BY: Jim Baldwin
Chemistry , Curated Data , Wolfram Language
2
REPLIES
5.3K
VIEWS

Does LinearModelFit show the correct equation?

QUESTION FROM: Juan David | 10 years ago BY: Jim Baldwin
Chemical Engineering , Chemistry , Engineering , ...
6
REPLIES
12.7K
VIEWS

HDF5 import partial dataset

QUESTION FROM: Greg Drozd | 10 years ago BY: Peter Willis
Chemical Engineering , Chemistry , Computer Science , Data Science , ...
1
REPLIES
15.2K
VIEWS

Working in multiple directories (Figured it out.)

QUESTION FROM: John Tokarski | 10 years ago BY: John Tokarski
Chemistry , Data Science , Wolfram Language
1
REPLIES
8.5K
VIEWS

Parallelization and NMinimize

QUESTION FROM: Yves Journaux | 11 years ago BY: W. Craig Carter
Chemical Engineering , Chemistry , Computer Science , ...
1
REPLIES
16.7K
VIEWS

Reaction Kinetics calculation with 8 equations

QUESTION FROM: Peter Adewale | 11 years ago BY: Peter Adewale
Calculus , Chemical Engineering , Chemistry , Equation Solving , ...
5
REPLIES
15.7K
VIEWS

solving systems of equations with given initial conditions

QUESTION FROM: dylan keefe | 11 years ago BY: Bill Simpson
Chemistry , Engineering , Mathematics
4
REPLIES
7.7K
VIEWS

Distance between 2 flat molecules

QUESTION FROM: A Y | 11 years ago BY: Mohammad Khan
Chemistry , Geometry , Mathematica , Mathematics , Physics , ...
13
REPLIES
22.2K
VIEWS

Getting Units in Mathematica

QUESTION FROM: Emily Melinis | 11 years ago BY: Udo Krause
Chemistry , Mathematica
1
REPLIES
6.6K
VIEWS

T-s Plotting

QUESTION FROM: Christopher Sullivan | 11 years ago
Chemistry , Graphics and Visualization , Wolfram Language
0
REPLIES
5K
VIEWS

Attempting to input a complex equation into W|A, both of us are stumped.

QUESTION FROM: Joshua Patyten | 11 years ago BY: Daniel Lichtblau
Chemistry , Equation Solving , Units , Wolfram|Alpha
12
REPLIES
12.7K
VIEWS

Integral not evaluating

QUESTION FROM: Caleb Spires | 11 years ago BY: Daniel Lichtblau
Chemical Engineering , Chemistry , Computer Science , Mathematics , ...
4
REPLIES
9.7K
VIEWS
1
2

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5 days ago
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24 days ago
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6 days ago
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24 days ago
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Yuti Purohit
3 months ago

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