Ex: The
rate of reaction at 27°c is 0.05mol c^-1 s^-1.
Find it's rate of reaction in atms^-1
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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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