Rate 0.0 / 5 ? ChemistryKeneticsASAQA Created by: Sopha8Created on: 25-11-14 16:53 What is the rate equation? what are the units of rate? rate= K (A)m(B)n A and B are reactants and m and n are the orders, K is the constant units=moldm s 1 of 6 What order do these graphs show: a) zero, b) 1st, c) 2nd 2 of 6 How do you rearrange the rate equation to calculate the rate constant? K=rate/ concentration of reactants(to the power of their orders), work out the units by cancelling out 3 of 6 What is the rate-determining step? the overall rate for a mechanism with a series of steps is the slowest rate. reactants in the rate equations will be in the rate determing step 4 of 6 Rate = k[A][B] which one of these mechanisms is right: its mechanism 2 because it has both of the reactants from the rate equation 5 of 6 Work out the orders of A and B: reaction is second order with resecpt to A and first order with respect to B 6 of 6

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