que:. In a reaction, X+Y- Product, the rate of the reaction changes from 1 x 10^-3mol L^-1 s^-1 to 2 x 10^-3 mol L^-1 s^-1 is when the concentration of Y is doubled. The
rate of the reaction reaches 8 x 10^-3 mol L^-1 s^-1 when the concentration of both
X and Y are doubled. The rate law for the reaction can be written as,
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Answer:
For first order reaction,
A⟶B
Rate =k×[A]
Given, rate =2.0×10
−5
molL
−1
s
−1
[A] = Conc. of A = 0.01 M
So, 2.0×10
−5
=k×0.01
k=
0.01
2.0×10
−5
s
−1
=2.0×10
−3
s
−1
For first order reaction,
t
1/2
=
k
0.693
=
2.0×10
−3
0.693
=346.5=347s
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