Homework Help is Here – Start Your Trial Now!
Science
Chemistry
Part C- Acid-base and solubility equilibria 1. Rinse 4 regular size test tubes and a 10 ml. measuring cylinder thoroughly with water. Number the test-tubes from 1 to 4 in a test tube rack. Into cach of test tubes 1 - 3 put a small amount of solid benzoic acid (put the same amount - about the size of a pea - in each test tube). 2. 3. Add 2 ml. (use the measuring cylinder) of water to tube 1 and shake to mix the contents. 4. Add 2 ml. (measuring cylinder) of 2 M HNO, to tube 2 and shake to mix the contents. 5. Rinse the measuring cylinder with water, then use it to add 2 ml of 2 M NAOH to tube 3 and shake for about 10 seconds to mix the contents. Rinse the measuring cylinder. 6. Pour about half of the solution from tube 3 into tube 4, than add 2 ml. of 2 M HNO3 to tube 4. 7. Allow the test tubes to stand for 2 or 3 minutes then record the appearance of the mixtures in each test tube. 8. Answer the questions on the results page relating to this equilibrium system. Results Test tube Observation 1. Solid benzoic acid + water 2. Solid benzoic acid + 2M HNO, 3. Solid benzoic acid + 2M NaOH 4. Solution from test tube 4 + 2M HNO, Precipitate forming Precipitate forming No reaction Turbid appearance Question Benzoic acid can dissociate in water: CgH3COOH(aq) CH3CO0 (aq) + H*(aq) What effect would removing H* by reacting it with OH to form water have on this equilibrium? Do your observations from test tubes 2, 3, and 4 support this?

Part C- Acid-base and solubility equilibria 1. Rinse 4 regular size test tubes and a 10 ml. measuring cylinder thoroughly with water. Number the test-tubes from 1 to 4 in a test tube rack. Into cach of test tubes 1 - 3 put a small amount of solid benzoic acid (put the same amount - about the size of a pea - in each test tube). 2. 3. Add 2 ml. (use the measuring cylinder) of water to tube 1 and shake to mix the contents. 4. Add 2 ml. (measuring cylinder) of 2 M HNO, to tube 2 and shake to mix the contents. 5. Rinse the measuring cylinder with water, then use it to add 2 ml of 2 M NAOH to tube 3 and shake for about 10 seconds to mix the contents. Rinse the measuring cylinder. 6. Pour about half of the solution from tube 3 into tube 4, than add 2 ml. of 2 M HNO3 to tube 4. 7. Allow the test tubes to stand for 2 or 3 minutes then record the appearance of the mixtures in each test tube. 8. Answer the questions on the results page relating to this equilibrium system. Results Test tube Observation 1. Solid benzoic acid + water 2. Solid benzoic acid + 2M HNO, 3. Solid benzoic acid + 2M NaOH 4. Solution from test tube 4 + 2M HNO, Precipitate forming Precipitate forming No reaction Turbid appearance Question Benzoic acid can dissociate in water: CgH3COOH(aq) CH3CO0 (aq) + H*(aq) What effect would removing H* by reacting it with OH to form water have on this equilibrium? Do your observations from test tubes 2, 3, and 4 support this?

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...
See similar textbooks
icon
Related questions
Question
Part C - Acid-base and solubility equilibria 1. Rinse 4 regular size test tubes and a 10 mL measuring cylinder thoroughly with water. Number the test-tubes from 1 to 4 in a test tube rack. 2. Into each of test tubes 1 – 3 put a small amount of solid benzoic acid (put the same amount – about the size of a pea – in each test tube). 3. Add 2 mL (use the measuring cylinder) of water to tube 1 and shake to mix the contents. 4. Add 2 mL (measuring cylinder) of 2 M HNO, to tube 2 and shake to mix the contents. 5. Rinse the measuring cylinder with water, then use it to add 2 mL of 2 M NaOH to tube 3 and shake for about 10 seconds to mix the contents. Rinse the measuring cylinder. 6. Pour about half of the solution from tube 3 into tube 4, than add 2 mL of 2 M HNO3 to tube 4. 7. Allow the test tubes to stand for 2 or 3 minutes then record the appearance of the mixtures in each test tube. 8. Answer the questions on the results page relating to this equilibrium system. Results Test tube Observation 1. Solid benzoic acid + water Precipitate forming 2. Solid benzoic acid + 2M HNO3 Precipitate forming 3. Solid benzoic acid + 2M NaOH 4. Solution from test tube 4 + 2M HNO3 No reaction Turbid appearance Question Benzoic acid can dissociate in water: C¢H5COOH(aq) C,H5CO0 (aq) + H*(aq) What effect would removing H* by reacting it with OH- to form water have on this equilibrium? Do your observations from test tubes 2, 3, and 4 support this?
Transcribed Image Text:Part C - Acid-base and solubility equilibria 1. Rinse 4 regular size test tubes and a 10 mL measuring cylinder thoroughly with water. Number the test-tubes from 1 to 4 in a test tube rack. 2. Into each of test tubes 1 – 3 put a small amount of solid benzoic acid (put the same amount – about the size of a pea – in each test tube). 3. Add 2 mL (use the measuring cylinder) of water to tube 1 and shake to mix the contents. 4. Add 2 mL (measuring cylinder) of 2 M HNO, to tube 2 and shake to mix the contents. 5. Rinse the measuring cylinder with water, then use it to add 2 mL of 2 M NaOH to tube 3 and shake for about 10 seconds to mix the contents. Rinse the measuring cylinder. 6. Pour about half of the solution from tube 3 into tube 4, than add 2 mL of 2 M HNO3 to tube 4. 7. Allow the test tubes to stand for 2 or 3 minutes then record the appearance of the mixtures in each test tube. 8. Answer the questions on the results page relating to this equilibrium system. Results Test tube Observation 1. Solid benzoic acid + water Precipitate forming 2. Solid benzoic acid + 2M HNO3 Precipitate forming 3. Solid benzoic acid + 2M NaOH 4. Solution from test tube 4 + 2M HNO3 No reaction Turbid appearance Question Benzoic acid can dissociate in water: C¢H5COOH(aq) C,H5CO0 (aq) + H*(aq) What effect would removing H* by reacting it with OH- to form water have on this equilibrium? Do your observations from test tubes 2, 3, and 4 support this?
Expert Solution
steps

Step by step

Solved in 3 steps

SEE SOLUTIONCheck out a sample Q&A here
Blurred answer
Knowledge Booster
Solutions
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, chemistry and related others by exploring similar questions and additional content below.
Similar questions
  • SEE MORE QUESTIONS
Recommended textbooks for you
Chemistry
Chemistry
Chemistry
ISBN:
9781305957404
Author:
Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:
Cengage Learning
Chemistry
Chemistry
Chemistry
ISBN:
9781259911156
Author:
Raymond Chang Dr., Jason Overby Professor
Publisher:
McGraw-Hill Education
Principles of Instrumental Analysis
Principles of Instrumental Analysis
Chemistry
ISBN:
9781305577213
Author:
Douglas A. Skoog, F. James Holler, Stanley R. Crouch
Publisher:
Cengage Learning
Organic Chemistry
Organic Chemistry
Chemistry
ISBN:
9780078021558
Author:
Janice Gorzynski Smith Dr.
Publisher:
McGraw-Hill Education
Chemistry: Principles and Reactions
Chemistry: Principles and Reactions
Chemistry
ISBN:
9781305079373
Author:
William L. Masterton, Cecile N. Hurley
Publisher:
Cengage Learning
Elementary Principles of Chemical Processes, Bind…
Elementary Principles of Chemical Processes, Bind…
Chemistry
ISBN:
9781118431221
Author:
Richard M. Felder, Ronald W. Rousseau, Lisa G. Bullard
Publisher:
WILEY
SEE MORE TEXTBOOKS