ACT Preparation / Unit 22 ACT 2111 short lesson, about 20 seconds
Reaction Rates
Captions available
The idea
Reactions usually run faster at higher temperature, at higher reactant concentration, with more exposed surface area, and with a catalyst.
In practice
Crushed antacid tablets fizz faster in water than whole ones, because more surface is exposed.
Where people slip
Rate is how fast products form; it says nothing about how much product forms in the end.
Your place on the trail
Every lesson rests on earlier ones and opens later ones. Tap any to jump.
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