Richard Thornley
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Section by section of the syllabus (c) IB BUT not associated with the IB. Specific to the IB, uses IB terminology & information is based on past paper model answers. I receive no support for this project.
S2.3.3 Transition metal elements have delocalized d-electrons (mpt & conductivity) [HL IB CHEMISTRY]
Richard Thornley
2w ago
Richard Thornley
1M ago
From the syllabus Structure 3.1—How can oxidation states be used to show that the following molecules are given in increasing order of oxidation: CH4 , CH3OH, HCHO, HCOOH, CO2 ..read more
Richard Thornley
1M ago
The ions are a little odd. IB have never asked about them. The radical dot plus charge also looks strange, even to me ..read more
Richard Thornley
2M ago
Yup, because the allotropes have different types and numbers of bonds as well as structures. So forming them from their standard state must result in different energy needs ..read more
Richard Thornley
2M ago
Just as the title says. Can you spot them and can you generate them ..read more
Richard Thornley
2M ago
The C-F bond is stronger than the C-Cl bond. In the ozone layer the high energy sunlight does not contain enough energy to break the stronger of the bonds. The C-F bond is stronger since the atomic nuclei are closer to the bonding electrons ..read more
Richard Thornley
2M ago
NO, why should they. Each bond is made of 2 electrons that are attracted to nuclei. The origin of electrons is unimportant ..read more
Richard Thornley
3M ago
Only hydrogenation is reduction, the others are electrophilic addition ..read more
Richard Thornley
3M ago
Take the molar mass of all the products and divide by the total molar mass of the reactants. This is a measure of how economic a reaction is with matter. Other factors such as reactant costs, energy, yield etc are also important, of course ..read more
Richard Thornley
3M ago
Its free and disturbing. Nothing I could use here for my chemistry videos really. Music by russianhush on soundcloud ..read more