o polyzuren
▪ monozuren met verlies van water
• 2H2SO4 H2S2O7 + H2O
o H2S2O7 dizwavelzuur - disulfaat
o thiozuren
▪ O S
• H2S2O3 thiozwavelzuur – S2O32- thiosulfaat
o Peroxozuren
▪ O bij
• H2SO5 peroxomonozwavelzuur
• Basen (hydroxiden)
• Zout oxiden
• Zouten
o Primaire zouten
▪ 1 H vervangen van een zuur door metaal
• NaH2PO4
o Secundaire zouten
o Tertaire zouten
!!!Na2(B4O7) – BORAX!!!
• Atomen en elementen
o Phlogistontheorie
▪ Stof verbrandt (niet waarneembare) phlogiston komt vrij
▪ As = origineel product zonder phlogiston
• Zink T zink-as + phlogiston
• Vb : houtskool (bijna helemaal uit phlogiston)
o Lavoisier : wet van behoud van massa
▪ S en F worden zwaarder bij verbranding
• Er wordt geen gewichtverandering waargenomen indien de
reactie in een gesloten vat plaats neemt
▪ In gesloten ruimte : hoeveelheid stof niet veranderd
▪ ➔ bewijs: bij verbranding wordt er geen phlogiston verloren
3
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