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Grade: 12th pass

                        

For the reaction A + 2B give C +D then dx/dt=k(A)(B)^2 ,initial pressure of A and Bare respectively 0.6 atm and 0.8 atm .At at time when pressure of C is 0.2 atm ,rate of reaction .relative to initial value is a 1/16. b 1/48. c 1/4. d 1/24

4 years ago

Answers : (1)

Vikas TU
12154 Points
							
          A               +              2B          ---------->      C     +      D
t=0     0.6                              0.8                                0               0
t=t     0.6-x                            0.8-2x                           x               x 
p[c] = 0.2 atm = x
put x = 0.2 and get the pressures of A and B.
 
then find dx/dt at t = 0 by putting intial pressures of A and B 
at t=t after putting x value.
then divide them to get the multiple.
4 years ago
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