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An aldehyde will react with Tollen's reagent to form a characteristic silver mirror, whereas a ketone will not react. This is because an aldehyde can be oxidised to a carboxylic acid, reducing Tollen's re...

First of all we must appreciate the general trend in these ionisation energies. The will always be endothermic (takes in energy) since we must put energy into a system to overcome the strong electrostatic...

Boron is the 5th element in the periodic table, and has an electron configuration 1s²2s²2p¹. The first ionization energy of Boron is the energy required to remove the s...

Stoichiometry is just a way of relating two species that react, in a ratio. EXAMPLE: 1A + 2B -> 3C Now usually this would be written as A + 2B -> 3C but I've written the 1 to exaggerate the point. N...

The first step here is to determine the mass of C in CO₂ and the mass of H in H₂O. This is done by dividing the relative atomic mass, Mr, by the relative molecular mass of the com...