0.032 19. Consider the data showing the initial rate of a reaction (A products)
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Question
0.032 19. Consider the data showing the initial rate of a reaction (A products) at several different concentrations of A. what is the order of the reaction? Write a rate law for the reaction, including the value of the rate constant. k A] (M) Initial Rate (M/s) 0.12 0.16 0.20 0.0078 0.0104 0.0130 20. Consider the data showing the initial rate of a reaction (A products) at several different concentrations of A. What is the order of the reaction? Write a rate law for the reaction, including the value of the rate constant, k. A] (M) Initial Rate (M/s) 0.12 0.18 0.28 3.89 × 10 4 8.75 × 10-4 2.12 x 103 21·The data shown here were collected for the reaction: 2 NO2(g) + F2(g) 2 NO2F(g) INO2] (M) 0.100 0.200 0.200 0.400 IF2l (M) 0.100 0.100 0.200 0.400 Initial Rate (M/s) 0.026 0.051 0.103 0.411 Write an expression for the reaction rate law and calculate the value of the rate constant, k. What is the overall order of the reaction? 22. The following data were collected for the reaction: CH,CI(g) + 3 Cl.(g) CCldg) + 3HC1(g) CH,CI] (M) IC2l (M) Initial Rate (M/s) 0.050 0.100 0.100 0.200 0.050 0.050 0.100 0.200 0.014 0.029 0.041 0.115 Write an expression for the reaction rate law and calculate the value of the rate constant, k. What is the overall order of the reaction?Explanation / Answer
Ans 19 :
When we observe the concentration of A and rate of reaction carefully , we notice that on increasing the concentration of A by 33% , the rate of reaction also increased by 33 % , so the order of reaction is 1.
The rate law will be given as :
rate = k [A]
putting values :
0.0078 = k (0.12)
k = 0.065 s-1
So the value of rate constant will be 0.065 s-1
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