Complete Question
The complete question is shown on the first uploaded image
Answer:
a) The activation energy is 124.776
b) The frequency factor is 1.77 ×
c) The rate constant is 0.00033
Explanation:
From the question the elementary reaction for A and B is given as
2A + B → 4C
The rate equation the elementary reaction is
- =
=
= 6k
When temperature changes, the rate constant change an this causes the rate of reaction to change as shown on the second uploaded image.
The relationship between temperature and rate constant can be deduced from these equation
taking ln of both sides we have
Considering the graph for the rate constant and the slope from the equation is and the intercept is
From the given table we can generate another table using the equation above as shown on the third uploaded image
The graph of vs is shown on the fourth uploaded image
From the graph we can see that the slope is
Now we can obtain the activation energy by making it the subject in the equation also generally R which is the gas constant is
Hence the activation energy is
b) From the graph its intercept is
Hence the frquency factor A is
c) From the equation of rate constant
We have
Hence the rate constant is