The reaction SO2Cl2 (g) → SO2 (g) + Cl2 is first order in SO2Cl2. Using the following kinetic data, determine the magnitude of the first order rate constant Time (s) Pressure 0 1 2500 0.947 5000 0.895 7500 0.848

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Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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  1. The reaction

SO2Cl2 (g) → SO2 (g) + Cl2

is first order in SO2Cl2. Using the following kinetic data, determine the magnitude of the first order rate constant

Time (s)

Pressure

0

1

2500

0.947

5000

0.895

7500

0.848

 

  1. 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

 

  1. Is this reaction first order or second order?
  2. What is the value of the rate constant?
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