AP chemistry

By bigtom23

  • final titration burret made

    several burrets were made prior to this one but this one is the one still used today. it is better because they made it with a clasp which they didnt have on previous burrets

  • arrhenius theory published

    arrhenius theory of acid and bases was published

  • hasselbach equation invented

    hasselbach used ph terminology to make put hendersons equation into logorithmic form

  • Bronsted Lowry theory published

    they publisheed there theory in 1923. It said that Bases accept protons and acisd donate protons

  • lewis theory published

    lewis theory of acid and bases published during the same year as bronsted lowry theory