The Leaving Cert

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Here is what you have to know from the Chapter 9 in Chemistry Live entitled ” The Mole Concept”. You dont need to know the reasons for them. These notes will include the keys or the tools you need to solve the problems, the problems themselves are simple maths and we might deal with [...]

These notes deal with Gas Laws in chemistry. I state what you have to know and dont do any mathematical problems since they are all excellently covered in the text book. These notes are a help for those that already understand the topic. Im not going to go into depth explaining the concepts in these, [...]

Heres what you need to know about from the chapter entitled ” Radioactivity”
History: Henri Bequerel discovered radiation accidentally when he left some photographic plates in his drawer with some uranium salt. The plate changed-something was invisibly coming from the uranium. His pals Pierre and Marie Curie isolated polonium and radium. Radiation is actually all [...]

Acids and Bases: By Axle(Ahmad Asad)
Here is notes on the theory, neutralisation, and conjugate pairing of acids.
Arrehenius Theory requires the presence of water:
Arrehenius definition of an acid : An acid is a substance that dissociates in water to produce H+ ions.
Strong acids are those that fully dissociate in water i.e almost every molecule breaks up [...]