SO2 (g) + ½ O2 (g) → SO3 (g) This reaction is an important step in the manufacture of sulfuric acid. It is observed that tripling the SO2 concentration increases the rate by a factor of 3, but tripling the SO3 concentration decreases the rate by a factor of 1.7 ≈ √3. The rate is insensitive to the O2 concentration as long as an excess of oxygen is present. (a) Write the rate expression for this reaction, and give the units of the rate constant k. (b) If [SO2] is multiplied by 2 and [SO3] by 4 but all other conditions are unchanged, what change in the rate will be observed
SO2 (g) + ½ O2 (g) → SO3 (g) This reaction is an important step in the manufacture of sulfuric acid. It is observed that tripling the SO2 concentration increases the rate by a factor of 3, but tripling the SO3 concentration decreases the rate by a factor of 1.7 ≈ √3. The rate is insensitive to the O2 concentration as long as an excess of oxygen is present. (a) Write the rate expression for this reaction, and give the units of the rate constant k. (b) If [SO2] is multiplied by 2 and [SO3] by 4 but all other conditions are unchanged, what change in the rate will be observed
Chemistry
10th Edition
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
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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In the presence of vanadium oxide, SO2 (g) reacts with an
excess of oxygen to give SO3 (g):
SO2 (g) + ½ O2 (g) → SO3 (g)
This reaction is an important step in the manufacture of sulfuric acid. It is observed that tripling the SO2 concentration increases the rate by a factor of 3, but tripling the SO3 concentration decreases the rate by a factor of 1.7 ≈ √3. The rate is insensitive to the O2 concentration as long as an excess of oxygen is present.
(a) Write the rate expression for this reaction, and give the units of the rate constant k.
(b) If [SO2] is multiplied by 2 and [SO3] by 4 but all other conditions are unchanged, what change in the rate will be observed?
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