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Chemistry: Atoms First 2e

Key Equations

Chemistry: Atoms First 2eKey Equations
relative reaction rates foraA⟶bB=−1aΔ[A]Δt=1bΔ[B]Δtrelative reaction rates foraA⟶bB=−1aΔ[A]Δt=1bΔ[B]Δt
integrated rate law for zero-order reactions: [A]t=−kt+[A]0,[A]t=−kt+[A]0,
half-life for a zero-order reaction t1/2=[A]02kt1/2=[A]02k
integrated rate law for first-order reactions: ln[A]t=−kt+ln[A]0,ln[A]t=−kt+ln[A]0,
half-life for a first-order reaction t1/2=0.693kt1/2=0.693k
integrated rate law for second-order reactions: 1[A]t=kt+1[A]0,1[A]t=kt+1[A]0,
half-life for a second-order reaction t1/2=1[A]0kt1/2=1[A]0k
k=Ae−Ea/RTk=Ae−Ea/RT
lnk=(−EaR)(1T)+lnAlnk=(−EaR)(1T)+lnA
lnk1k2=EaR(1T2−1T1)lnk1k2=EaR(1T2−1T1)
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