A chemical engineer is studying the following reaction: BF 3(39)+NH3(aq) –→ BF;NH;(3q) At the temperature the engineer picks, the equilibrium constant K, for this reaction is 1.5. The engineer charges ("fills") three reaction vessels with boron trifluoride and ammonia, and lets the reaction begin. She then measures the composition or the mixture inside each vessel from time to time. Her first set of measurements are shown in the table below. olo Predict the changes in the compositions the engineer should expect next time she measures the compositions. Ar reaction compound concentration expected change in concentration vessel BF ; 0.94 M I decrease (no change) increase NH; 1.11 M ↑ increase O I decrease (no change) BF;NH; 0.14 M O I decrease (no change) increase BF ; 0.69 M I decrease (no change) increase NH, 0.91 M O Į decrease (no change) increase BF;NH; 0.97 M increase O I decrease (no change) BF; 0.94 M O Į decrease (no change) increase NH; 1.11 M ↑ increase O Į decrease (no change) BF;NH; 0.14 M ↑ increase I decrease (no change)

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A chemical engineer is studying the following reaction:
BF 3(39)+NH3(aq) –→ BF;NH;(3q)
At the temperature the engineer picks, the equilibrium constant K, for this reaction is 1.5.
The engineer charges ("fills") three reaction vessels with boron trifluoride and ammonia, and lets the reaction begin. She then measures the composition or
the mixture inside each vessel from time to time. Her first set of measurements are shown in the table below.
olo
Predict the changes in the compositions the engineer should expect next time she measures the compositions.
Ar
reaction
compound
concentration
expected change in concentration
vessel
BF ;
0.94 M
I decrease
(no change)
increase
NH;
1.11 M
↑ increase
O I decrease
(no change)
BF;NH;
0.14 M
O I decrease
(no change)
increase
BF ;
0.69 M
I decrease
(no change)
increase
NH,
0.91 M
O Į decrease
(no change)
increase
BF;NH;
0.97 M
increase
O I decrease
(no change)
BF;
0.94 M
O Į decrease
(no change)
increase
NH;
1.11 M
↑ increase
O Į decrease
(no change)
BF;NH;
0.14 M
↑ increase
I decrease
(no change)
Transcribed Image Text:A chemical engineer is studying the following reaction: BF 3(39)+NH3(aq) –→ BF;NH;(3q) At the temperature the engineer picks, the equilibrium constant K, for this reaction is 1.5. The engineer charges ("fills") three reaction vessels with boron trifluoride and ammonia, and lets the reaction begin. She then measures the composition or the mixture inside each vessel from time to time. Her first set of measurements are shown in the table below. olo Predict the changes in the compositions the engineer should expect next time she measures the compositions. Ar reaction compound concentration expected change in concentration vessel BF ; 0.94 M I decrease (no change) increase NH; 1.11 M ↑ increase O I decrease (no change) BF;NH; 0.14 M O I decrease (no change) increase BF ; 0.69 M I decrease (no change) increase NH, 0.91 M O Į decrease (no change) increase BF;NH; 0.97 M increase O I decrease (no change) BF; 0.94 M O Į decrease (no change) increase NH; 1.11 M ↑ increase O Į decrease (no change) BF;NH; 0.14 M ↑ increase I decrease (no change)
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