m/ibisoms/mod/ibis/view.php?id 2971791 11/9/2016 11:55 PM 415/100 Print calculat

Question

m/ibisoms/mod/ibis/view.php?id 2971791 11/9/2016 11:55 PM 415/100 Print calculator Periodio Table 11 of 19 The following is a multistep reaction. The rate-limiting step is unimolecular, with A as the sole reactant. A B C D If CA and CB) are both 0.200 M, then the rate of reaction is 0.0010 Ms. (a) What is the rate of the reaction iflA]is doubled? M/ s (b) Starting with the original concentrations, what is the rate of the reaction if IB] is halved? M/ s (c) concentrations, what is the rate of the reaction iflAl and IB are both increased by a factor of Mis Previous Give up s view solution 0 Answer e Next Check

Explanation / Answer

SInce rate depends only on [A]
rate = k [A]

a)
when [A] is doubled, rate will also double
rate = 0.0010*2 = 0.0020 M/s
Answer: 0.0020 M/s

b)
rate doesn't depend on [B]
so rate will be unaffected
Answer: 0.0010 M/s

c)
Since [A] is increased by a factor of 6, rate will become 6 times
rate = 6*0.0010 M/s = 0.0060 M/s
Answer: 0.0060 M/s

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