Good evening, does cold reduce reaction speed?
Because I put ice cubes in there and then a lemon-flavored magnesium tablet and that takes longer than without ice?
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Ja, und zwar deutlich. Grob über den Daumen kann man sagen, dass bei einer Abnahme um 10 °C die Reaktionsgeschwindigkeit halbiert wird.
Sowohl Lösevorgänge als auch chemische Reaktionen werden durch Kälte verlangsamt, da “Kälte” ein Resultat verminderter Teilchenbewegungen ist.
Ja, generell verzögern kältere Temperaturen jede Art von chemischer Reaktion. Als Faustregel kannst du die sogenannte RGT-Regel nehmen.