1. The reaction SO2Cl2 (g) → SO2 (g) + Cl2 (g) is first order in SO2Cl2. Using the following kinetic data, determine the magnitude of the first order rate constant Time (s) Pressure (atm) 0 1 2500 0.947 5000 0.895 7500 0.848 10000 0.803
1. The reaction
SO2Cl2 (g) → SO2 (g) + Cl2 (g)
is first order in SO2Cl2. Using the following kinetic data, determine the magnitude of the first order rate constant
Time (s) Pressure (atm)
0 1
2500 0.947
5000 0.895
7500 0.848
10000 0.803
2. Sucrose (C12H22O11), which is commonly known as table sugar, reacts in dilute acid solutions to form two simpler sugars, glucose and fructose, both of which have the formula C6H12O6:
C12H22O11 (aq) + H2O (l) → C6H12O6 (aq) + C6H12O6 (aq)
Sucrose Glucose Fructose
At 23 o C and in a 0.5 M HCl, the following data were obtained for the disappearance of sucrose
Time (min) [C12H22O11] (M)
0 0.316
39 0.274
80 0.238
140 0.19
210 0.146
a. Is this reaction first order or second order?
b. What is the value of the rate constant?
3. Cyclopentadiene (C5H6) reacts with itself to form dicyclopentadiene (C10H12). A 0.0400 M solution of C5H6 was monitored as a function of time as the reaction proceeded.
2C5H6 → C10H12
The following data were collected:
Time (s) [C5H6] (M)
0 0.0400
50 0.0300
100 0.0240
150 0.0200
200 0.0174
Make a plot of [C5H6] versus time, ln[C5H6] versus time, and 1/[C5H6] versus time. What is the order of this reaction? What is the value of the rate constant?
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