chemical engineer is studying the following reaction: BF3(aq)+NH3(aq) → BF3NH3(aq) At the temperature the engineer picks, the equilibrium constant K for this reaction is 0.61. 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 compound concentration expected change in concentration A BF 3 NH₂ 0.98 M Of increase ↓ decrease O(no change) 0.84 M O↑ increase Odecrease BF, NH₂ 0.50 M O↑ increase O decrease (no change) O(no change) BF3 1.42 M O increase ↓ decrease O(no change) B NH3 1.28 M O↑ increase ↓ decrease O(no change) BF3NH3 0.06 M O↑ increase Odecrease (no change) BF3 0.54 M O↑ increase Odecrease C NH₂ 0.40 M ↑ increase BF3NH3 0.94 M O↑ increase O↓ decrease O decrease (no change) O(no change) (no change)
chemical engineer is studying the following reaction: BF3(aq)+NH3(aq) → BF3NH3(aq) At the temperature the engineer picks, the equilibrium constant K for this reaction is 0.61. 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 compound concentration expected change in concentration A BF 3 NH₂ 0.98 M Of increase ↓ decrease O(no change) 0.84 M O↑ increase Odecrease BF, NH₂ 0.50 M O↑ increase O decrease (no change) O(no change) BF3 1.42 M O increase ↓ decrease O(no change) B NH3 1.28 M O↑ increase ↓ decrease O(no change) BF3NH3 0.06 M O↑ increase Odecrease (no change) BF3 0.54 M O↑ increase Odecrease C NH₂ 0.40 M ↑ increase BF3NH3 0.94 M O↑ increase O↓ decrease O decrease (no change) O(no change) (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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
Transcribed Image Text:chemical engineer is studying the following reaction:
BF3(aq)+NH3(aq) → BF3NH3(aq)
At the temperature the engineer picks, the equilibrium constant K for this reaction is 0.61.
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
compound
concentration
expected change in concentration
A
BF 3
NH₂
0.98 M
Of increase
↓ decrease
O(no change)
0.84 M
O↑ increase
Odecrease
BF, NH₂
0.50 M
O↑ increase
O decrease
(no change)
O(no change)
BF3
1.42 M
O increase
↓ decrease
O(no change)
B
NH3
1.28 M
O↑ increase
↓ decrease
O(no change)
BF3NH3
0.06 M
O↑ increase
Odecrease
(no change)
BF3
0.54 M
O↑ increase
Odecrease
C
NH₂
0.40 M
↑ increase
BF3NH3
0.94 M
O↑ increase
O↓ decrease
O decrease
(no change)
O(no change)
(no change)
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