L07 Chem 481 Lecture Notes - Lecture 31: Enzyme Kinetics, Transmission Coefficient, Reaction Rate Constant
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13 Dec 2016
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[a] the concentration of reactant (sometimes this is product: if the reaction is catalyzed by an enzyme, the rate shows saturation behavior. The enzyme amount is constant and the velocity is determined at difference concentrations, at very high [s], v = vmax. Velocity only limited by conditions (temp, ph, ionic strength) and by amount of enzyme present, v becomes independent of [s] (at zero-order kinetics) when velocity is directly dependent on [enzyme] A or b consumed per unit time: the rate or velocity (v) of this reaction is the amount of p or q formed or the amount of. K is the second order rate constant, generally if v = k[a]n[b]m, k has an order of: =(cid:3031)[(cid:3017)](cid:3031) =(cid:3031)[(cid:3018)](cid:3031) = (cid:3031)[(cid:3002)](cid:3031) = (cid:3031)[(cid:3003)](cid:3031) =[(cid:1827)][(cid:1828)], v is a function of [a][b], second order, =[(cid:2869)](cid:3041)[(cid:2870)](cid:3040) Where v is the rate or velocity, speed of product formation. K is the rate constant, relating v, [s1], [s2]
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