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QUESTION 1 Consider the following equilibrium: PCI3(g)+ Cl2(g) PCI5(g): AH=-92 kJ The concentration of PCI3 at equilibrium may be increased by а. adding PCI5 to the system. b. increasing the pressure. decreasing the temperature. d. adding Cl2 to the system. е. adding a catalyst. QUESTION 4 A scientist places 0.0050 mol of H2, 0.0020 mol of I2, and 0.050 mol of HI in a 1.0-L container. Kc for H2(g) +I2(g) for this particular experiment. Which statement best describes the results of the experiment? 2 HI(g) is 12.5 а. The system is at equilibrium. b. The pressures must be known. C. The temperature must be known. d. Some H2(g) will form. Some HI(g) will form.

QUESTION 1 Consider the following equilibrium: PCI3(g)+ Cl2(g) PCI5(g): AH=-92 kJ The concentration of PCI3 at equilibrium may be increased by а. adding PCI5 to the system. b. increasing the pressure. decreasing the temperature. d. adding Cl2 to the system. е. adding a catalyst. QUESTION 4 A scientist places 0.0050 mol of H2, 0.0020 mol of I2, and 0.050 mol of HI in a 1.0-L container. Kc for H2(g) +I2(g) for this particular experiment. Which statement best describes the results of the experiment? 2 HI(g) is 12.5 а. The system is at equilibrium. b. The pressures must be known. C. The temperature must be known. d. Some H2(g) will form. Some HI(g) will form.

Chemistry
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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QUESTION 1 Consider the following equilibrium: PCI3(g)+ Cl2(g) PCI5(g): AH=-92 kJ The concentration of PCI3 at equilibrium may be increased by а. adding PCI5 to the system. b. increasing the pressure. decreasing the temperature. d. adding Cl2 to the system. е. adding a catalyst.
Transcribed Image Text:QUESTION 1 Consider the following equilibrium: PCI3(g)+ Cl2(g) PCI5(g): AH=-92 kJ The concentration of PCI3 at equilibrium may be increased by а. adding PCI5 to the system. b. increasing the pressure. decreasing the temperature. d. adding Cl2 to the system. е. adding a catalyst.
QUESTION 4 A scientist places 0.0050 mol of H2, 0.0020 mol of I2, and 0.050 mol of HI in a 1.0-L container. Kc for H2(g) +I2(g) for this particular experiment. Which statement best describes the results of the experiment? 2 HI(g) is 12.5 а. The system is at equilibrium. b. The pressures must be known. C. The temperature must be known. d. Some H2(g) will form. Some HI(g) will form.
Transcribed Image Text:QUESTION 4 A scientist places 0.0050 mol of H2, 0.0020 mol of I2, and 0.050 mol of HI in a 1.0-L container. Kc for H2(g) +I2(g) for this particular experiment. Which statement best describes the results of the experiment? 2 HI(g) is 12.5 а. The system is at equilibrium. b. The pressures must be known. C. The temperature must be known. d. Some H2(g) will form. Some HI(g) will form.
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