A chemical engineer is studying the following reaction: BF3(aq) + NH3(aq) → BF3NH₂(aq) At the temperature the engineer picks, the equilibrium constant for this reaction is 0.89. The engineer charges ("fills") three reaction vessels with boron trifluoride and ammonia, and lets the reaction begin. He then measures the composition of the mixture inside each vessel from time to time. His first set of measurements are shown in the table below. Predict the changes in the compositions the engineer should expect next time he measures the compositions. reaction vessel A B C compound BF, NH, BF, NH, BF, NH, BF, NH, BF, NH, BF, NH, concentration 1.43 M 1.35 M 0.23 M 1.44 M 1.36 M 0.22 M 1.21 M 1.10 M 1.19 M expected change in concentration ↑ increase O decrease O↓ decrease O decrease O↓ decrease O↓ decrease O increase O † increase O increase O increase O ↑ increase O † increase O increase O increase O decrease O decrease O decrease O decrease O(no change) O (no change) O (no change) O (no change) O (no change) O (no change) (no change) O (no change) O (no change)

A chemical engineer is studying the following reaction: BF3(aq) + NH3(aq) → BF3NH₂(aq) At the temperature the engineer picks, the equilibrium constant for this reaction is 0.89. The engineer charges ("fills") three reaction vessels with boron trifluoride and ammonia, and lets the reaction begin. He then measures the composition of the mixture inside each vessel from time to time. His first set of measurements are shown in the table below. Predict the changes in the compositions the engineer should expect next time he measures the compositions. reaction vessel A B C compound BF, NH, BF, NH, BF, NH, BF, NH, BF, NH, BF, NH, concentration 1.43 M 1.35 M 0.23 M 1.44 M 1.36 M 0.22 M 1.21 M 1.10 M 1.19 M expected change in concentration ↑ increase O decrease O↓ decrease O decrease O↓ decrease O↓ decrease O increase O † increase O increase O increase O ↑ increase O † increase O increase O increase O decrease O decrease O decrease O decrease O(no change) O (no change) O (no change) O (no change) O (no change) O (no change) (no change) O (no change) O (no change)

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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