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Pre-Lab Exercises for...
i need help with this lab please. can i get someone to answer the entire thing....
i need help with this lab please. can i get someone to answer
the entire thing. thank you
Instructor Equilibria of Coordination Compounds OBSERVATIONS AND DATA 1. The formation of complex ions with ammonia The net ionic equation for the reaction of excess Cuso, with NH, is 24 Cu2+ + 4NH3 [cu (NH3)4] The predicted effect on the reaction above of adding excess NH, (based on Le Châtelier's principle) is The reaction will shift to the night and product formation...
CHM202.001138 Section B: Answer three (3) from 21. You have s00.0 ml of a buffer solution...
CHM202.001138 Section B: Answer three (3) from 21. You have s00.0 ml of a buffer solution containing 0.30 Macetic acid (CH,COOH) and 0.20 M solution? [K.-1.8 × 10 3) questions from this section and show all your work in the answer book ) and 0.20 M sodium at will the pH of this solution be after the addition of 200 ml of 1.00 M NaOH 22. What is the pH at the equivalence point in the tit with 0.10 M...
I need help with 3 aMI5ILL: THERMOCHEMİSTRY 13 Name Date Score Pre-laboratory Assignment THE SIGNIFICANT FOR...
I need help with 3
aMI5ILL: THERMOCHEMİSTRY 13 Name Date Score Pre-laboratory Assignment THE SIGNIFICANT FOR FULL CREDIT, SHOW DETAILED CALCULATION SETUPS REMEMBER TO FOLLOW CONVENTION, AND TO SHOW MEASUREMENT UNITS FOR EACH QUANTITY 1. Give brief definitions for these terms a) enthalpy change b) standard molar enthalpy of formation (AHA c) specific heat d) heat capacity 2. Underline the correct choice: If'a reaction carried out in a calorimeter absorbs heat, the calorimeter and its contents will b) If the...
need help with the last one please. I cant get number 6 u. Agbiz 5. Calculate...
need help with the last one please. I cant
get number 6
u. Agbiz 5. Calculate the maximum concentration (in M) of silver ions (Ag) in an solution that contains 0.025 M of CO32-. The Ksp of Ag2CO3 = 8.1 x 10-12 a) 1.4 x 10-6 b) 2.8 x 10-6 c) 8.1 x 10-12 d) 3.2 x 10-10 e) 1.8 x 10-5 6. If you have a saturated solution of Fe(OH)2, which of the following will cause more Fe(OH)2 to...
Need help with 1: b, c, d, e and f. And 2. Thanks! PRE-LAB EXERCISES average...
Need help with 1: b, c, d, e and f. And 2. Thanks!
PRE-LAB EXERCISES average size. If d is the diameter in millimeters, some pebbles will be bigger and some smaller than the desired average do. Suppose you have a rock crusher. The pebbles it makes have different sizes, but you can adjust the 1. (a) In the histogram below, about how many pebbles are shown to have diameter of greater 150 100 (b) In this distribution (same histogram,)...
Synthesis of 1-Bromobutane: An SN2 Reaction Pre-Laboratory Exercises PRE-LABORATORY EXERCISES NAME: Cynthesis of 1-Bromobutane: An SN...
Synthesis of 1-Bromobutane: An SN2 Reaction Pre-Laboratory
Exercises
PRE-LABORATORY EXERCISES NAME: Cynthesis of 1-Bromobutane: An SN 2 Reaction Butylbromide was prepared by refluxing in a 100-ml round bottomed flask a solution containing 13:35 Br 15 ml of water, 10 mL of n-butyl alcohol. 15 ml of concentrated H.SO. and a few boiling stories, 1. 2. R." d 1.275 laborales Nel CH3CH2CH2CH2OH + NaBr H2SO4 Superletalyst CHCH2CH2CHBr + NaHSO + HO (eq. 16) 1-butanol bp 118 C 1-bromobutane d 0.810 bp...
I need helppp with my AP chem lab
Purpose: To calculate the amount of AgNO3 present in an unknown solution of water through the process of gravimetric analysis with NaCl. Background: Have you ever had difficulty lathering soap or find that the scum in your shower constantly needs to be removed? These are signs of “hard water.” Soap does not lather well in hard water because metal ions, such as Ca2+, form precipitates, creating “soap scum.” A precipitate is an insoluble compound that forms when soluble ions in...
please answer all pre-lab questions 1 through 5. THANK YOU!!! this is the manual to give...
please answer all pre-lab questions 1 through 5. THANK YOU!!!
this is the manual to give you some background.
the pre-lab questions..
the pre-lab sheet.
Lab Manual Lab 10: String Waves & Resonance Before the lab, read the theory in Sections 1-3 and answer questions on Pre-lab Submit your Pre-lab at the beginning of the lab. During the lab, read Section 4 and follow the procedure to do the experiment. You will record data sets, perform analyses, answer questions, and...
help with calculating the “initial [SCN^—]” M and the Equilibrium [Fe(SCN^2+)] M. i have one. just...
help with calculating the “initial [SCN^—]” M and the Equilibrium
[Fe(SCN^2+)] M.
i
have one. just not sure how to set up the equation to find the
inital [SCN^-] . not sure if im calculating it correctly.
Data Manipulation and Calculations Calibration Solutions Data 1. Calculate the "Initial [SCN']" molarities for the solutions using the dilution equation CiVI=C2V2 2. Use the net ionic equation for the reaction, the ratio of [Fe3 [SCN'] used, and your knowledge of Le Châtelier's Principle...
THERES MORE THAN ONE PICTURE. I NEED ALL ANSWERED THANK YOU QUESTION 2 Calculate the pOH...
THERES MORE THAN ONE PICTURE. I NEED ALL ANSWERED THANK
YOU
QUESTION 2 Calculate the pOH of a solution at 25.0°C that contains 2.95 x 10-12 M hydronium ions. 2.95 O 11.53 12.00 O 7.00 2.47 QUESTION 1 An aqueous solution at 25.0°C contains [H') -0,085 M. What is the pH of the solution? O 13.0 O 0.9850 O 1.07 O 1.20 10-13 O -1.07 QUESTION 2 10-12 M hydronium ions. Calculate the pOH of a solution at 25.0°C that...
i need help with this lab please. can i get someone to answer
the entire thing. thank you
Instructor Equilibria of Coordination Compounds OBSERVATIONS AND DATA 1. The formation of complex ions with ammonia The net ionic equation for the reaction of excess Cuso, with NH, is 24 Cu2+ + 4NH3 [cu (NH3)4] The predicted effect on the reaction above of adding excess NH, (based on Le Châtelier's principle) is The reaction will shift to the night and product formation...
CHM202.001138 Section B: Answer three (3) from 21. You have s00.0 ml of a buffer solution containing 0.30 Macetic acid (CH,COOH) and 0.20 M solution? [K.-1.8 × 10 3) questions from this section and show all your work in the answer book ) and 0.20 M sodium at will the pH of this solution be after the addition of 200 ml of 1.00 M NaOH 22. What is the pH at the equivalence point in the tit with 0.10 M...
I need help with 3
aMI5ILL: THERMOCHEMİSTRY 13 Name Date Score Pre-laboratory Assignment THE SIGNIFICANT FOR FULL CREDIT, SHOW DETAILED CALCULATION SETUPS REMEMBER TO FOLLOW CONVENTION, AND TO SHOW MEASUREMENT UNITS FOR EACH QUANTITY 1. Give brief definitions for these terms a) enthalpy change b) standard molar enthalpy of formation (AHA c) specific heat d) heat capacity 2. Underline the correct choice: If'a reaction carried out in a calorimeter absorbs heat, the calorimeter and its contents will b) If the...
need help with the last one please. I cant
get number 6
u. Agbiz 5. Calculate the maximum concentration (in M) of silver ions (Ag) in an solution that contains 0.025 M of CO32-. The Ksp of Ag2CO3 = 8.1 x 10-12 a) 1.4 x 10-6 b) 2.8 x 10-6 c) 8.1 x 10-12 d) 3.2 x 10-10 e) 1.8 x 10-5 6. If you have a saturated solution of Fe(OH)2, which of the following will cause more Fe(OH)2 to...
Need help with 1: b, c, d, e and f. And 2. Thanks!
PRE-LAB EXERCISES average size. If d is the diameter in millimeters, some pebbles will be bigger and some smaller than the desired average do. Suppose you have a rock crusher. The pebbles it makes have different sizes, but you can adjust the 1. (a) In the histogram below, about how many pebbles are shown to have diameter of greater 150 100 (b) In this distribution (same histogram,)...
Synthesis of 1-Bromobutane: An SN2 Reaction Pre-Laboratory
Exercises
PRE-LABORATORY EXERCISES NAME: Cynthesis of 1-Bromobutane: An SN 2 Reaction Butylbromide was prepared by refluxing in a 100-ml round bottomed flask a solution containing 13:35 Br 15 ml of water, 10 mL of n-butyl alcohol. 15 ml of concentrated H.SO. and a few boiling stories, 1. 2. R." d 1.275 laborales Nel CH3CH2CH2CH2OH + NaBr H2SO4 Superletalyst CHCH2CH2CHBr + NaHSO + HO (eq. 16) 1-butanol bp 118 C 1-bromobutane d 0.810 bp...
please answer all pre-lab questions 1 through 5. THANK YOU!!!
this is the manual to give you some background.
the pre-lab questions..
the pre-lab sheet.
Lab Manual Lab 10: String Waves & Resonance Before the lab, read the theory in Sections 1-3 and answer questions on Pre-lab Submit your Pre-lab at the beginning of the lab. During the lab, read Section 4 and follow the procedure to do the experiment. You will record data sets, perform analyses, answer questions, and...
help with calculating the “initial [SCN^—]” M and the Equilibrium
[Fe(SCN^2+)] M.
i
have one. just not sure how to set up the equation to find the
inital [SCN^-] . not sure if im calculating it correctly.
Data Manipulation and Calculations Calibration Solutions Data 1. Calculate the "Initial [SCN']" molarities for the solutions using the dilution equation CiVI=C2V2 2. Use the net ionic equation for the reaction, the ratio of [Fe3 [SCN'] used, and your knowledge of Le Châtelier's Principle...
THERES MORE THAN ONE PICTURE. I NEED ALL ANSWERED THANK
YOU
QUESTION 2 Calculate the pOH of a solution at 25.0°C that contains 2.95 x 10-12 M hydronium ions. 2.95 O 11.53 12.00 O 7.00 2.47 QUESTION 1 An aqueous solution at 25.0°C contains [H') -0,085 M. What is the pH of the solution? O 13.0 O 0.9850 O 1.07 O 1.20 10-13 O -1.07 QUESTION 2 10-12 M hydronium ions. Calculate the pOH of a solution at 25.0°C that...
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