Question

A kinetic study of decomposition of dinitrogen pentoxide, 2N,Os(9) ►
2N20-(9) + O2(9), in atmosphere at normal temperature yielded the following
data
Time (s)
o
50 100 200 300 400 x-axis
[
NO] (M) 0.1000 0.0707 0.0500 0.0250 0.0125 0.00625
In [
NO] -2.303 -2.649 -2.996 -3.689 4.382 5.075 y-axis
Prove that the decomposition reaction follows first order kinetics and find
out the rate constant. (Hint: Calculate the slope values using consecutive
points of in (N2Os) verses Time graph!)
The kinetics of decomposition of a drug material tested at 25°C found to
have the rate constant, k = 6.45 x 10-6 M'si The Arrhenius activation
energy (Ea) for this decomposition process found to be 67.1 kJ. Can you find
out the rate constant of the same process when the temperature is 37°C?
(Given: The gas constant, R = 8.314 J/mol-K)​

Answer 1

Explanation:

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