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ids: pre-laboratory assignment Relative Strengths of some Acids. prelaboratory as Instructor Name Section Date Basic solution...
CH 112 Date Section Instructor Name Team Pre-Lab Questions 1. What is the difference between an...
CH 112 Date Section Instructor Name Team Pre-Lab Questions 1. What is the difference between an Arrhenius base and a Brønsted-Lowry base? 2. Why are acid-base reactions called neutralization reactions? 3. What does the pH of a solution tell you? : Properties of Acids and Bases Acid Base Neutral af with Unknown
Prelaboratory Assignment 12, Acids and Bases. Name What is the definition of an Brønsted-Low hat is...
Prelaboratory Assignment 12, Acids and Bases. Name What is the definition of an Brønsted-Low hat is the definition of an Brønsted-Lowry acid? What is the pH range of an acidic solution What is the definition of a Bransted-Lowry base? What is the pH range of a basic solution Calculate the pH of the following solutions: a) [H] = 3.75 x 10M solution b) [H] = 2.5 M 4) Calculate the (H') ion concentration for the following solutions: Calculate the ruli...
Name Desk Date, Laboratory Instructor Titration Curves of 26 Pre-lab Polyprotic Acids Questions t...
Name Desk Date, Laboratory Instructor Titration Curves of 26 Pre-lab Polyprotic Acids Questions tory, you should be able to answer the Before beginning this experiment in the labora following questions. 1. What is a polyprotic acid? If 10.7 mL of 0.105 M NaOH is required to reach the first equivalence point of a solution of citric acid (H,CH,O,), how many milliliters of NaOH are required to completely neutralize this solution? 2. 3. How many millimoles of NaOH will react completely...
Need help answering all questions. much appreciated. The Relative Strengths of Some Acids Results Solution pH...
Need help answering all questions. much
appreciated.
The Relative Strengths of Some Acids Results Solution pH from pH Paper pH from Indicators pH from pH Meter 2.8 14 1.99 1.4 1.4. HCL Ha POq HC2H30a Na HQ PO & AL (NO3)3 Zn(NO3)2 NH 4 NO3 1.7 1.7 4.63 2.4. 2.8 5.00 6.67 Questions 1. a. Calculate the concentration of H.O ions in the most acidic solution that you examined. Use your most precise pH measurement, 262 alculate the concentration of...
Le Chatelier's Principle Date: Course: Section: Instructor Student name: Team members: Prelaboratory assignment 1. Define the...
Le Chatelier's Principle Date: Course: Section: Instructor Student name: Team members: Prelaboratory assignment 1. Define the following terms: a. Chemical equilibrium b. Le Chatelier's principle 2. Consider the hypothetical reaction A+ B+ heat C+D What will happen to the concentrations of A, B, C, and D under each of the following conditions? A catalyst is added to the system, which is at equilibrium. a. Bither C or D is added to the system, which is initially at equilibrium. b.
please help, thanks! FQUL 465g Ac t all time the pH of San section Pre-Laboratory Assignment...
please help, thanks!
FQUL 465g Ac t all time the pH of San section Pre-Laboratory Assignment Although you will use only small amounts of the olutions in this experiment, you must be aware of some of the hazards of these solutions. Brilly com- ment on the hazards of an aqueous solution of: 3 Astur | (1) NH A student performed an experiment similar to the one that you will perform but used different solutions The student's data are presented in...
Name Lab Section Date PRE-LABORATORY ASSIGNMENT 1. Which of the chemicals used in this experiment have...
Name Lab Section Date PRE-LABORATORY ASSIGNMENT 1. Which of the chemicals used in this experiment have safety hazards associated with them? List the safety hazards for each chemical. This butto e variables shows the op left of th h to 330 ni 2. Define the following, and give a specific example of each. a. strong acid motometer Teads%T. chamber If a cuve b. weak acid in the sam Look at t the top mber whe ur cuvett c. Strong base...
w NAME: INSTRUCTOR: SECTION/GROUP: PRE-LABORATORY QUESTIONS CHEMICAL REACTIONS annnnnnnnnn 1. Define the following terms: a. Precipitation...
w NAME: INSTRUCTOR: SECTION/GROUP: PRE-LABORATORY QUESTIONS CHEMICAL REACTIONS annnnnnnnnn 1. Define the following terms: a. Precipitation reaction b. Acid C. Base d. Solubility 2. Predict whether the following substances are soluble or insoluble in water based on the solubility rules in Table 4.1. Substance Soluble or insoluble? NaNO, NH,Br (NH) SO (NHẠCO, BaBr, Baso. Ba(OH), Baco, Laboratory 4 Chemical Reactions
Preparation of Solutions: Pre-laboratory Assignment Instructor Name Section Date 2. Prepare a written plan for making...
Preparation of Solutions: Pre-laboratory Assignment Instructor Name Section Date 2. Prepare a written plan for making up 100.0 ml of a solution that is 0.100M in Ca2 ion using 2.00 M CaCl2H2O solution. 1. Prepare a written plan for making up 100.0 ml of 0.100 M KI solution. (Note the list of reagents and equipment provided in the background information). Include in your plan the exact amount of KI that you will need and the actual steps that you will...
Laboratory Instructor Name Date Lab Day Time Pre-lab 6 Analysis of Unknown Solutions Write a balanced...
Laboratory Instructor Name Date Lab Day Time Pre-lab 6 Analysis of Unknown Solutions Write a balanced equation for the reaction that occurs when an aqueous solution of iron(1I) chloride is mixed with an aqueous solution of potassium hydroxide. 1. a b. Write a net ionic equation for the above reaction. What simple test would you use to identify the possible presence of HCI(aq)? What result do you expect if the solution is HCI(aq)? 2. What preliminary test results are you...
CH 112 Date Section Instructor Name Team Pre-Lab Questions 1. What is the difference between an Arrhenius base and a Brønsted-Lowry base? 2. Why are acid-base reactions called neutralization reactions? 3. What does the pH of a solution tell you? : Properties of Acids and Bases Acid Base Neutral af with Unknown
Prelaboratory Assignment 12, Acids and Bases. Name What is the definition of an Brønsted-Low hat is the definition of an Brønsted-Lowry acid? What is the pH range of an acidic solution What is the definition of a Bransted-Lowry base? What is the pH range of a basic solution Calculate the pH of the following solutions: a) [H] = 3.75 x 10M solution b) [H] = 2.5 M 4) Calculate the (H') ion concentration for the following solutions: Calculate the ruli...
Name Desk Date, Laboratory Instructor Titration Curves of 26 Pre-lab Polyprotic Acids Questions tory, you should be able to answer the Before beginning this experiment in the labora following questions. 1. What is a polyprotic acid? If 10.7 mL of 0.105 M NaOH is required to reach the first equivalence point of a solution of citric acid (H,CH,O,), how many milliliters of NaOH are required to completely neutralize this solution? 2. 3. How many millimoles of NaOH will react completely...
Need help answering all questions. much
appreciated.
The Relative Strengths of Some Acids Results Solution pH from pH Paper pH from Indicators pH from pH Meter 2.8 14 1.99 1.4 1.4. HCL Ha POq HC2H30a Na HQ PO & AL (NO3)3 Zn(NO3)2 NH 4 NO3 1.7 1.7 4.63 2.4. 2.8 5.00 6.67 Questions 1. a. Calculate the concentration of H.O ions in the most acidic solution that you examined. Use your most precise pH measurement, 262 alculate the concentration of...
Le Chatelier's Principle Date: Course: Section: Instructor Student name: Team members: Prelaboratory assignment 1. Define the following terms: a. Chemical equilibrium b. Le Chatelier's principle 2. Consider the hypothetical reaction A+ B+ heat C+D What will happen to the concentrations of A, B, C, and D under each of the following conditions? A catalyst is added to the system, which is at equilibrium. a. Bither C or D is added to the system, which is initially at equilibrium. b.
please help, thanks!
FQUL 465g Ac t all time the pH of San section Pre-Laboratory Assignment Although you will use only small amounts of the olutions in this experiment, you must be aware of some of the hazards of these solutions. Brilly com- ment on the hazards of an aqueous solution of: 3 Astur | (1) NH A student performed an experiment similar to the one that you will perform but used different solutions The student's data are presented in...
Name Lab Section Date PRE-LABORATORY ASSIGNMENT 1. Which of the chemicals used in this experiment have safety hazards associated with them? List the safety hazards for each chemical. This butto e variables shows the op left of th h to 330 ni 2. Define the following, and give a specific example of each. a. strong acid motometer Teads%T. chamber If a cuve b. weak acid in the sam Look at t the top mber whe ur cuvett c. Strong base...
w NAME: INSTRUCTOR: SECTION/GROUP: PRE-LABORATORY QUESTIONS CHEMICAL REACTIONS annnnnnnnnn 1. Define the following terms: a. Precipitation reaction b. Acid C. Base d. Solubility 2. Predict whether the following substances are soluble or insoluble in water based on the solubility rules in Table 4.1. Substance Soluble or insoluble? NaNO, NH,Br (NH) SO (NHẠCO, BaBr, Baso. Ba(OH), Baco, Laboratory 4 Chemical Reactions
Preparation of Solutions: Pre-laboratory Assignment Instructor Name Section Date 2. Prepare a written plan for making up 100.0 ml of a solution that is 0.100M in Ca2 ion using 2.00 M CaCl2H2O solution. 1. Prepare a written plan for making up 100.0 ml of 0.100 M KI solution. (Note the list of reagents and equipment provided in the background information). Include in your plan the exact amount of KI that you will need and the actual steps that you will...
Laboratory Instructor Name Date Lab Day Time Pre-lab 6 Analysis of Unknown Solutions Write a balanced equation for the reaction that occurs when an aqueous solution of iron(1I) chloride is mixed with an aqueous solution of potassium hydroxide. 1. a b. Write a net ionic equation for the above reaction. What simple test would you use to identify the possible presence of HCI(aq)? What result do you expect if the solution is HCI(aq)? 2. What preliminary test results are you...
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