Question

fo & B C EDE INIO PLORIST Absorbance Graph For Trial #1 Absorbance Graph For Trial #2 y = -0.0003x +0.1005 R?=0.8039 y=-0.000

In[A]Trial #1 In[A]Trial 2 100 200 0.000 -1.000 -2.000 -3.000 100 300 400 y=-0.0117x - 1.641 R? -0.9209 200 300 400 y=-0.0097

в с D E F G H IT 1 L M N O P Q R S T U V 1/[A] Trial #1 1/[A]Trial # 2 THERE 2000 1200.00 1001.00 y= 1.80712-165.32 R2=0.5746

can you tell me what is the order of the reactant crystal violet in these graphs?what does it mean to overall rate law?what would happen if the concentration is doubled?

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Answer #1

in TRAIL 1 nd Trail 2 there is first order of the reactant crystal violet because there is plot between Ln a vs time.. which is for first order reaction whereas in TRAIL # 1 nd Trail# 2 there is second order of the reactant crystal violet because there is plot between 1/A vs time which is for Secondorder reaction.

overall rate for first order reaction depends directly on conc.. whereas in second oreder reaction rate depend upon square of concentration....

in first order reaction rate is directly proportional to conc.. if concentration is double rate is also doubled whereas in second order reaction if concentration is double, rate increase by four times because it depends upon the square of conc..

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