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Top Questions
20
votes
Origin of the term "sinc" function
ho.history-overview
fourier-analysis
terminology
signal-analysis
asked Sep 12, 2019 at 20:05
mathoverflow.net
16
votes
Verb "geeitet" in an old scientific text
verbs
asked May 1, 2019 at 14:05
german.stackexchange.com
13
votes
Reconstruction of NMR spectrum by entropy maximization (MaxEnt)
physical-chemistry
spectroscopy
nmr-spectroscopy
asked Oct 23, 2022 at 1:13
chemistry.stackexchange.com
12
votes
Radiofrequency transmitter in an NMR experiment: Is there an involvement of (electromagnetic) radio wave?
spectroscopy
nmr-spectroscopy
electromagnetic-radiation
asked Sep 10, 2019 at 14:52
chemistry.stackexchange.com
10
votes
Terminology of atomic spectroscopy: Difference Among Term, States and Level
physical-chemistry
spectroscopy
terminology
atomic-structure
asked Aug 30, 2019 at 3:52
chemistry.stackexchange.com
10
votes
How is the word kernel associated with distributions?
mathematics
terminology
statistics
asked Apr 29, 2019 at 4:41
hsm.stackexchange.com
9
votes
Empirical Evidence and Assignment of Orbital Energies (Electron Filling)
spectroscopy
electronic-configuration
atomic-structure
asked Oct 29, 2019 at 3:12
chemistry.stackexchange.com
9
votes
Who introduced the term hyperparameter?
st.statistics
ho.history-overview
terminology
machine-learning
bayesian-probability
asked Aug 13, 2023 at 18:14
mathoverflow.net
8
votes
The concept of normal coordinates of a molecule
physical-chemistry
quantum-chemistry
spectroscopy
asked Sep 4, 2019 at 13:30
chemistry.stackexchange.com
8
votes
Naming of the chemical elements and original sentences by the discoverers
terminology
elements
periodic-table
history-of-chemistry
asked Oct 12, 2021 at 18:59
chemistry.stackexchange.com
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Top Answers
49
Which "exotic salt" can lower water's freezing point by 70 °C?
chemistry.stackexchange.com
30
What does it mean by "d-ism of Leibniz" and "dotage of Newton" in simple English?
hsm.stackexchange.com
30
Is "Sulfuric acid... makes a poor electrolyte... very little of it will dissociate into ions" really true? What does that actually mean?
chemistry.stackexchange.com
28
Why is solubility often listed as a chemical property? Isn't the action of dissolving just a physical change?
chemistry.stackexchange.com
28
Why does hydrogen burn with a pale blue flame while its emission spectral lines are red in colour?
chemistry.stackexchange.com
26
Who coined the term "signal-to-noise ratio" and when did statisticians start using the term "noise" to describe randomness?
hsm.stackexchange.com
23
True or false: "A used AA battery contains fewer moles of electrons than a new AA battery."
chemistry.stackexchange.com
23
Commercial chalk for kids composition
chemistry.stackexchange.com
22
What type of abrasive grit was used to grind lenses for telescopes?
hsm.stackexchange.com
22
Why does the graph of the electrical conductivity of sulfuric acid/water solutions have this knee in the ~85%-~92% range?
chemistry.stackexchange.com
22
What is the difference between "vapour" and "gas"?
chemistry.stackexchange.com
20
What is the mathematical meaning of the plus sign (+) in chemical reaction equations?
chemistry.stackexchange.com
20
What would be the effect of adding liquid beyond the calibration mark on a volumetric flask?
chemistry.stackexchange.com
19
What is the intuition behind 'mol' as a unit 'symbol'
chemistry.stackexchange.com
19
Is an acid a salt or not?
chemistry.stackexchange.com
19
How is hair tissue mineral analysis performed?
chemistry.stackexchange.com
18
When I burn isopropyl alcohol (IPA), it burns orange. But when I burn ethyl alcohol, it burns totally blue. Why is this?
chemistry.stackexchange.com
18
Benzene to phenol in a single step
chemistry.stackexchange.com
17
Why does almost every drug that causes dependence have this "-ine" suffix?
chemistry.stackexchange.com
17
Difference between a "cartoon" flame test and a "real" flame test? How do chemists do flame tests correctly?
chemistry.stackexchange.com
17
How would you know if the light emitted is of one wavelength or if it is a mixture of two or more wavelengths?
chemistry.stackexchange.com
17
Why is black-body radiation curve smooth without a sharp cutoff?
chemistry.stackexchange.com
17
What is the origin of the rubber sheet analogy?
hsm.stackexchange.com
16
How did Mendeleev know elements from compounds or mixtures?
chemistry.stackexchange.com
16
Why is it considered acid rain with pH <5.6?
chemistry.stackexchange.com
16
Is it possible to measure pH without physically coming into contact with a solution?
chemistry.stackexchange.com
16
Why does concentration of solutions of alkali metals in liquid ammonia change the magnetic properties?
chemistry.stackexchange.com
15
Is it possible to achieve a level of "truly zero" concentration?
chemistry.stackexchange.com
15
Why isn't sodium hydrogen phthalate used instead of KHP?
chemistry.stackexchange.com
15
What is "super" in superphosphate?
chemistry.stackexchange.com
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mathoverflow.net
german.stackexchange.com
chemistry.stackexchange.com
hsm.stackexchange.com