A reaction A--B is studies at two temperatures. Use the data here to determine its Ea. Report your answer in J/mol to 3 significant figures. T ( deg C) k (M/s)277 277 0.282627 627 0.291
A reaction A--B is studies at two temperatures. Use the data here to determine its Ea. Report your answer in J/mol to 3 significant figures. T ( deg C) k (M/s)277 277 0.282627 627 0.291
Chemistry
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ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
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Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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A reaction A--B is studies at two temperatures. Use the data here to determine its Ea.
Report your answer in J/mol to 3 significant figures.
T ( deg C) k (M/s)277
277 0.282627
627 0.291
Expert Solution
Step 1
According to the Antoine equation,
where K2 = rate constant at temperature 2 i.e 627 oC = 0.291 M/s
K1 = equilibrium constant at temperature 1 i.e 277 oC = 0.282627 M/s
Ea = Activation energy of reaction
R = gas constant = 8.314 J/K.mol
T1 = temperature 1 in K = 273 + 277 = 550 K
T2 = temperature 2 in K = 273 + 627 = 900 K
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