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  1. H

    overdue on economics Extended Essay topic choosing?

    Well ive showed my teacher like 20 potential topics but he says theyre all too broad. anyone have some good suggestions?
  2. H

    lab report hess cycle confusion?

    ive got a lab report due and i dont know if i should do hess cycles the purpose of the experiemtn is to compare enthalpy changes of neutralisation between: ehanoic acid and sodium bicarbonate CH3COOH + NAHCO3 --> CO2 + H2O + CH3COONa (endothermic) and ethanoic acid and sodium carbonate CH3COOH +...
  3. H

    is doping ok in sports?

    in biking FX. does it ruin the sport?
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