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Topic A6 - Definitions
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Total cards: 6•Content version: v3•Public deck•Updated: 8/1/2026
Card preview (6)
#1
Front (Question)
Rate of reaction
Back (Answer)
the change in concentration of a reactant or product in a given time
#2
Front (Question)
Order
Back (Answer)
the power to which the concentration of a reactant is raised in the rate equation
#3
Front (Question)
Overall order
Back (Answer)
the sum of the individual orders of a reactants in the rate equation
#4
Front (Question)
Rate constant (k)
Back (Answer)
the constant that links the rate of reaction with the concentrations of the reactants raised to the powers of their orders in the rate equations
#5
Front (Question)
Half-life
Back (Answer)
the time taken for the concentration of a reactant to decrease by half
#6
Front (Question)
Rate-determining step
Back (Answer)
slowest step in reaction mechanism of a multi-step reaction