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  1. X

    Can someone please explain the standard model of matter?

    basically the fundamental particles (a brief explanation would be nice) and the extent that we need to know this (the theory seems to go on forever..) and do some particles overlap or are they the same (e.g. under the group fermions - are leptons and quarks and yet hadrons are made up of baryons...
  2. X

    confusion over haber process

    there seems to be some discrepancies with how much energy is produced by the haber process some textbooks state that 92kJ/mol of energy is produced others say there is only 92kJ of energy websites give a whole lot of other values (e.g. 46kJ/mol, 46kJ, found one that said 184kJ/mol)...
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