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the reaction a(g)+2b forms c+d is an elementary process.in experiment initial partial pressurs of a and b are pa =0.6 andpb=0.8 atm.calculate the ratio of rate of reacn relative to initial ratewhen pc becomes 0.2 atm.

Akshita Goyal , 9 Years ago
Grade 12
anser 2 Answers
Vikas TU

Last Activity: 8 Years ago

                a(g)                +             2b               ----->             c              +               d
t=0           0.6                                      0.8                                         0                                   0
t=t            0.6 – x                                0.8 – 2x                                  x                                   x
 
pc = 0.2 atm.
x = 0.2 atm.
 
k = 0.2*0.2/0.4*0.4^2

smriti

Last Activity: 5 Years ago

            a       +       2b        =       c      +      d
t=0     0.6               0.8                0              0
t=t     0.6-0.2     0.8-0.2*2           0.2
 
r1 = k[0.6][0.8]^2  …........(1)
r2 = k[0.4][0.4]^2  …..........(2)
 
on dividing 2 with 1:-
ratio=1/6
 
 

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