assignment - Question 1 a) Distinguish between...

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Question 1 a) Distinguish between zeroth-order, first-order, second-order, and pseudo-first- order reactions The order of a reaction is always v=k[A]^n where k is a constant. zero order – when the power n=0, which means that if concentration is doubled, the rate stays constant. The rate of consumption is A plot of [A] vs. time gives a straight line with negative slope (k) first order – when the power n=1, which means that if concentration is doubled, the rate is also doubled. The rate of consumption is A plot of ln[A] vs. time gives a straight line with negative slope (k) second order – when the power n=2, which means that if concentration is doubled, the rate increases fourfold. The rate of consumption is A plot of 1/[A] vs. time gives a straight line with positive slope (k) pseudo first order – In the reaction of A+B → products the reaction is second order overall, but each reactant is first order. eg. If [B] remains constant then we get v=k’ [A] with k’=k [B]. By collecting the k’ for
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This note was uploaded on 06/15/2010 for the course AP 31239 taught by Professor Meher during the Spring '10 term at Acton School of Business.

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assignment - Question 1 a) Distinguish between...

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