The kinetic data for the given reaction A(g) + 2B(g) 
C(g) is provided in the following table for three experiments at 300 K.
In another experiment starting with intitial concentration of 0.5 and 1 M respectively for A and B at 300 K. Find the rate of reaction after 50 minutes from start of experiment (in m/sec)?
Text Solution
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r 1 = K[0.01] a [0.01] b = 6.93 × 10 –6
r 2 = K[0.02] a [0.01] b = 1.386 × 10 –5
r 3 = K[0.02] a [0.02] b = 1.386 × 10 –5
From data
a = 1, b = 0
Overall order = 1 ; K = 6.93 × 10 –4 sec –1
6.93 × 10 –4 = 
ln 
0.693 = ln 
A t = 0.0625
rate of reaction = 6.93 × 10 –4 × 0.0625 = 4.33 × 10 –5 Ms –1 .
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