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Write the expression for the equilibrium constants for the following reactions: a. N2(g) + 3H2(g) 2NH3(g) b. 2s0 2(g) + 02(g) 2503(g) c. NH 3(g) + HCl(g) NH4CI(s) For reaction 2(a) above, suppose equilibrium has been established. Explain how and why the position of equilibrium will shift in response to the following changes: a. Additional nitrogen is added to the system. b. Ammonia is removed from the system as it forms. c. The pressure on the system is increased. A 1.00 ml sample of dilute acetic acid required 23.4 mL of 0.10 M sodium hydroxide solution to titrate the sample to a phenolphthalein endpoint (which is assume to be close in pH to the equivalence point). What was the concentration of acetic acid in the sample (show your work)? How many significant figures are justified in your answer? Why?

Write the expression for the equilibrium constants for the following reactions: a. N2(g) + 3H2(g) 2NH3(g) b. 2s0 2(g) + 02(g) 2503(g) c. NH 3(g) + HCl(g) NH4CI(s) For reaction 2(a) above, suppose equilibrium has been established. Explain how and why the position of equilibrium will shift in response to the following changes: a. Additional nitrogen is added to the system. b. Ammonia is removed from the system as it forms. c. The pressure on the system is increased. A 1.00 ml sample of dilute acetic acid required 23.4 mL of 0.10 M sodium hydroxide solution to titrate the sample to a phenolphthalein endpoint (which is assume to be close in pH to the equivalence point). What was the concentration of acetic acid in the sample (show your work)? How many significant figures are justified in your answer? Why?

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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Write the expression for the equilibrium constants for the following reactions: a. N2(g) + 3H2(g) 2NH3(g) b. 2s0 2(g) + 02(g) 2503(g) c. NH 3(g) + HCl(g) NH4CI(s) For reaction 2(a) above, suppose equilibrium has been established. Explain how and why the position of equilibrium will shift in response to the following changes: a. Additional nitrogen is added to the system. b. Ammonia is removed from the system as it forms. c. The pressure on the system is increased. A 1.00 ml sample of dilute acetic acid required 23.4 mL of 0.10 M sodium hydroxide solution to titrate the sample to a phenolphthalein endpoint (which is assume to be close in pH to the equivalence point). What was the concentration of acetic acid in the sample (show your work)? How many significant figures are justified in your answer? Why?
Transcribed Image Text:Write the expression for the equilibrium constants for the following reactions: a. N2(g) + 3H2(g) 2NH3(g) b. 2s0 2(g) + 02(g) 2503(g) c. NH 3(g) + HCl(g) NH4CI(s) For reaction 2(a) above, suppose equilibrium has been established. Explain how and why the position of equilibrium will shift in response to the following changes: a. Additional nitrogen is added to the system. b. Ammonia is removed from the system as it forms. c. The pressure on the system is increased. A 1.00 ml sample of dilute acetic acid required 23.4 mL of 0.10 M sodium hydroxide solution to titrate the sample to a phenolphthalein endpoint (which is assume to be close in pH to the equivalence point). What was the concentration of acetic acid in the sample (show your work)? How many significant figures are justified in your answer? Why?
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