Rate-Determining Step and Arrhenius Equation

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A level Chemistry (5.1 Rates, Equilibrium and pH) Flashcards on Rate-Determining Step and Arrhenius Equation, created by Yinka F on 12/03/2018.
Yinka F
Flashcards by Yinka F, updated more than 1 year ago
Yinka F
Created by Yinka F over 6 years ago
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Question Answer
What is a rate-determining step? The step with the slowest rate. This decides the overall rate of the reaction
Complete the sentences: If a reactant appears in the _________ ______________, it must be in the rate-determining step. However, the RDS doesn't have to be the first step of a _______________. If a reactant appears in the RATE EQUATION, it must be in the rate-determining step. However, the RDS doesn't have to be the first step of a MECHANISM.
Predict the reaction mechanism for the equation: 2NO₂ + F₂ --> 2NO₂F The rate equation is k[NO₂][F₂]
What factor affects the rate constant? Temperature
What is the Arrhenius equation?
TRUE OR FALSE: Eₐ is always positive TRUE
What is the Arrhenius equation in the form of y = mx + c?
What is the log form of the Arrhenius equation used for? To create an Arrhenius plot by plotting lnk against 1/T with gradient -(Eₐ)/RT and y-intercept lnA
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