We have the reaction 2A + 2B + C → D + 3E A plot of Ln (pressure in torr) versus 1/ T (in kelvin) produce a straight line with an equation of the line Y=-23.70X+ 1.56 In addition, the following data were obtained: Experiment [A] (M) [B] (M) [C] (M) Initial rate (M.s-1) 1 0.024 0.085 0.032 6.0×10-6 2 0.096 0.085 0.032 9.6×10-5 3 0.024 0.085 0.080 1.5×10-5 4 0.024 0.170 0.032 1.5×10-6  Determine the ∆H for this reaction in (kJ/mol) and determine if the reaction is exothermic or endothermic.

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Author:Steven S. Zumdahl, Susan A. Zumdahl
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Chapter11: Chemical Kinetics
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We have the reaction
2A + 2B + C → D + 3E


A plot of Ln (pressure in torr) versus 1/ T (in kelvin) produce a straight line with an equation of the line Y=-23.70X+ 1.56

In addition, the following data were obtained:

Experiment

[A] (M)

[B] (M)

[C] (M)

Initial rate (M.s-1)

1

0.024

0.085

0.032

6.0×10-6

2

0.096

0.085

0.032

9.6×10-5

3

0.024

0.085

0.080

1.5×10-5

4

0.024

0.170

0.032

1.5×10-6

 Determine the ∆H for this reaction in (kJ/mol) and determine if the reaction is exothermic or endothermic.

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