Chemistry
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AChem
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All Questions Answers
Score Newest
answer
48
Which "exotic salt" can lower water's freezing point by 70 °C?
May 5, 2019
answer
28
Is "Sulfuric acid... makes a poor electrolyte... very little of it will dissociate into ions" really true? What does that actually mean?
Jun 17, 2021
answer
27
Why does hydrogen burn with a pale blue flame while its emission spectral lines are red in colour?
Apr 11, 2021
answer
27
Why is solubility often listed as a chemical property? Isn't the action of dissolving just a physical change?
Apr 9, 2020
answer
23
Commercial chalk for kids composition
Apr 27, 2020
answer
20
Why does the graph of the electrical conductivity of sulfuric acid/water solutions have this knee in the ~85%-~92% range?
Jun 19, 2021
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20
True or false: "A used AA battery contains fewer moles of electrons than a new AA battery."
Nov 26, 2021
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19
What is the difference between "vapour" and "gas"?
Apr 19, 2021
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19
What is the mathematical meaning of the plus sign (+) in chemical reaction equations?
Mar 11, 2021
answer
19
What would be the effect of adding liquid beyond the calibration mark on a volumetric flask?
Aug 30, 2020
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Is habitual down voting considered okay?
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30
What does it mean by "d-ism of Leibniz" and "dotage of Newton" in simple English?
20
Origin of the term "sinc" function
16
Verb "geeitet" in an old scientific text
10
How is the word kernel associated with distributions?
9
How did Stern or Gerlach, of Stern-Gerlach experiment, create individual silver atoms? How were they accelerated?

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