thermodynamics - Chemistry Stack Exchange
Jun 2, 2020 · Formation of truly long-living molecular O4 units also occurs but involves a considerably smaller fraction of O 2 2 molecules. So, it would seem that O 4 4 units, whether long lived 'molecules' …
Difference in total phosphate and total phosphorus of biomass
Oct 16, 2024 · The chemical forms of phosphorus in waterways are very diverse. They can be soluble or particulate, mineral and organic. Total phosphorus (TP): This is the sum of the contents of all …
Structure of Ca2B6O11 - Chemistry Stack Exchange
May 9, 2015 · What is its structure? I found an image of $\\ce{B6O11}$ unit, but it looks incorrect: The top left corner one. The oxygen can make max 2 bonds but atom $\\mathrm{O8}$ has three! There a...
bond - Bonding in the phosphate ion - Chemistry Stack Exchange
I'm looking for an explanation of the bonding in the phosphate (PO 43−) ion: (Image courtesy of Wikipedia) Phosphorus (15 P) - being the fifteenth element - has fifteen electrons, five valence …
Why is Pb3O4 called lead (II,IV) oxide? - Chemistry Stack Exchange
Mar 17, 2022 · We know that iron (II,III) oxide has the formula FeX3OX4 F e X 3 O X 4 which is a combination of iron (II) oxide and iron (III) oxide with formulas FeO F e O and FeX2OX3 F e X 2 O X …
nomenclature - When to use -ate and -ite for naming oxyanions ...
Jun 16, 2015 · Historical naming conventions dictate that the "-ate" suffix refers to the group containing the cation with a higher oxidation state than that in the corresponding group designated with the "-ite" …
computational chemistry - How to embed multiple molecules with rdkit ...
Jul 17, 2024 · I am new to rdkit and struggle with something I thought would be simple: I want to randomly embed two molecules in 3D space so that the two do not overlap. This is to generate an …
organic chemistry - Excited states: S0, S1, S2 interpretation ...
Oct 27, 2024 · Good morning, everyone. I have a question about molecular excitation. I'm studying photochemistry, and I came across the terms excited states S₀, S₁, and S₂. Initially, I thought that S₁ …
equilibrium - How to calculate the equivalent weight of KMnO4 ...
May 8, 2019 · Now, in order to calculate the equivalent mass of KMnOX4 K M n O X 4, first I need to calculate it's n n -factor which turns out to be 5 5 because the oxidation state of Mn M n in KMnOX4 …
How is (SO4)^2- Charged if S and O all are Neutral Themselves?
Oct 14, 2015 · The ion is not one S atom and 4 O atoms together. The ion on the whole is having two negative charges, Thus it is somewhat like 1Sulphur + 4 Oxygen+2 electrons. It is not as though …