Rate Equations

Beschreibung

A level Chemistry (5.1 Rates, Equilibrium and pH) Karteikarten am Rate Equations, erstellt von Yinka F am 12/03/2018.
Yinka F
Karteikarten von Yinka F, aktualisiert more than 1 year ago
Yinka F
Erstellt von Yinka F vor mehr als 6 Jahre
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Zusammenfassung der Ressource

Frage Antworten
What do rate equations tell you? How the rate is affected by the concentrations of reactants
What is the rate equation for the general equation: A + B --> C + D Rate = k[A]ᵐ [B]ⁿ m and n are orders of reaction k is the rate constant
TRUE OR FALSE: The units of k vary TRUE
TRUE OR FALSE: The rate constant of a first order reaction is equal tot he gradient of the rate-concentration graph of that reactant TRUE
What is half-life (of a reaction)? The time it takes for half of the reactant to be used up. It can be calculated from a concentration-time graph
TRUE OR FALSE: The half-life of a zero order reaction is independent of the concentration. FALSE The half-life of a FIRST order reaction is independent of the concentration
Given the half-life of a first order reaction, what is the equation used to work out k?
What are the units of k for first order reactions? s⁻¹
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