Chemistry
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The Quark
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All Questions Answers
Score Newest
question
32
What is the pKa of the hydronium, or oxonium, ion (H3O+)?
Apr 9, 2014
answer
7
Is “amount of substance” the same thing as “number of moles”?
Jan 15, 2019
answer
3
How do you have pKa for a base?
Apr 9, 2014
question
2
Error in the IUPAC Gold Book definitions of exergonic, endergonic, exothermic and endothermic?
May 30, 2021
question
2
Water dissociation constant $K_w$ in vapour, or are there charges entities ($\ce{H3O+}$, $\ce{HO-}$,...) in water vapour?
Feb 4
answer
1
Is a hydrogen bond considered to be a van der Waals force?
Jan 21
question
0
Why aren't the amine groups in the nucleic acid bases protonated?
Jul 23, 2016
question
0
Examples of endothermic reactions occuring spontaneously at constant temperature and pressure [closed]
May 30, 2021
answer
0
Coupled and Coupling Reactions
May 14, 2021
answer
0
Reversibiliy and equilibrium
May 30, 2021
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5
Contradiction between Taylor's theorem and properties of the Taylor series of $f(x)=e^{-1/x^2}$?
5
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