Identify the unknown sample in this report and use the table below to answer questions. Thanks so much
Homework Answers
Major thing in this IR spectrum is the peak at 1712 cm-1.
The peak is not at 1720-1740 cm-1 which is for aldehyde.
Peak at 1354 is due to C-H bending.
Peak at 2900 is due to sp3C-H stretching .
It is a carbonyl compound and it is 2-butanone.
CH3COCH2CH3.
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Identify the unknown sample in this report and use the
table below to answer questions. Thanks...
QUESTIONS Answer the following questions in the data section of your lab report: 1. Use the...
QUESTIONS Answer the following questions in the data section of your lab report: 1. Use the experience you gained from doing the experiment to answer the following: A student tested an unknown mixture that might contain any of the ions tested in this ex- periment and made the following observations: a. On the addition of 6M HCI, the solution remained colorless and no bubbles were observed. b. When 0.1M BaCl2 was added to the acidified unknown, a white precipitate was...
REPORT FOR EXPERIMENT 23 INSTRUCTOR Neutralization-Titration I A. Molarity of an Unknown Acid Data Table Sample...
REPORT FOR EXPERIMENT 23 INSTRUCTOR Neutralization-Titration I A. Molarity of an Unknown Acid Data Table Sample 3 (if needed Sample 1 Sample 2 Acid BaseAcidBse AcidBase Final buret reading Initial buret reading o Volume used 200D If a pipet is used to measure the volume of acid, record only in the space for volume used. Molarity of base (NaOH) CALCULATIONS: In the spaces below, show calculation setups for Sample 1 only. Show answers for both samples in the boxes. Sample...
Please help, thanks. Use the table below to answer the questions that follow. Half Reaction &
Please help, thanks. Use the table below to answer the questions that follow. Half Reaction E°(V) Ag+ + e- → Ag (s) +0.80 Cu2+ + 2e- → Cu (s) +0.34 Pb2+ + 2e- → Pb (s) -0.13 Ni2+ + 2e- → Ni (s) -0.28 (A) Calculate E°cell for a voltaic cell made with Ni, Ni2+and Ag, and Ag+. (B) Which substance is Oxidized? (be sure to include the state of the oxidized substance in your answer) Zn(s) + CuSO4(aq) -->...
can you answer all the questions? thanks 14. (6 points) Identify what reagents you would use...
can you answer all the questions? thanks
14. (6 points) Identify what reagents you would use to synthesize the following compound with a Robinson annulation reaction: 15. (6 points) Propose a reasonable step-by-step mechanism for the following conversion: Še ena on . NaOH HO
Could you please help me with 1) and 3)! A 25.0 mL sample of an unknown acid in water is titrated with 0.1 MNaOH (aq) an...
Could you please help me with
1) and 3)!
A 25.0 mL sample of an unknown acid in water is titrated with 0.1 MNaOH (aq) and resulted in the following data. Note: phenolphthalein indicator and a pH probe were used to monitor pH Volume (mL) 0.1 M NaoH obse pH Observed colour 3.15 3.56 2.5 3.96 4.43 7.5 8.16 10 12.5 11.32 12.09 15.0 17.5 12.37 20.0 12.61 22.5 12.81 25.0 12.86 12.89 27.5 12.91 30.0 Based on the data...
Use the data in the Table 3.1 below to answer the following questions: Table 3.1 Death...
Use the data in the Table 3.1 below to answer the following questions: Table 3.1 Death rates from lung cancer, per 1,000 people aged 35 or older/year Death rates per 1000 Cigarette smokers 0.96 Nonsmokers 0.07 Compute the relative risk of smokers versus nonsmokers Explain your answer to (A) above in narrative form. Compute the risk difference for smokers (Note: the rates are already expressed per 1000 so you do not need to multiply or divide your answer per 1000....
F p Questions: Use the source table shown below to answer questions 1 to 4. Source...
F p Questions: Use the source table shown below to answer questions 1 to 4. Source SS df MS Subjects 323 19 Treatment 72 4 18 Error 76 3 Total 623 99 6 < 0.05 228 1. Identify which type of ANOVA (Repeated-Measures or Factorial) was used to generate this source table, and explain how you determined your response. [1 mark] 2. Would the results of this test significant at a=0.05? How do you know this? [1 mark] 3. Would...
Use the sensitivity report given to answer the questions below: Name SENSITIVITY REPORT Final Reduced Objective...
Use the sensitivity report given to answer the questions below: Name SENSITIVITY REPORT Final Reduced Objective Value Cost Coefficient 110 0 350 300 75 Allowable Increase 80 # Aqua-Spa # Hydro-Lux # Typhoon-Lagoon Allowable Decrease 30 Infinite 10 -20 20 320 50 Constraints Name Shadow Price 150 Allowable Decrease Final Value 175 1400 2550 # Pumps used Hrs. Labor Used Ft. of Tubing Used Constant RHS 175 1500 2550 Allowable Increase 10 Infinite 100 15 125 O 7 50 11...
Identify an unknown solution (1, 2, 3 and 4) and fill the vacancies in the table...
Identify an unknown solution (1, 2, 3 and 4) and fill
the vacancies in the table
Procedure
The unknown solutions are : HCl, NaOH,
Acetic acid, Na2CO3
Test each solution with litmus paper. Record the results in the
data table below.
Take little of each solution in a test tube and add 5 drops of
silver nitrate to each solution. Record the results in the data
table.
Take little of each solution in a test tube and add two drops...
2 questions below thanks possible Use a table of Standard Reduction Potentials to predict if a...
2 questions below thanks
possible Use a table of Standard Reduction Potentials to predict if a reaction will occur between Al metal and Cl2(g), when the two are brought in contact via standard halfcells in a voltaic cell If a reaction will occur, write a balanced net ionic equation for the reaction, assuming that the product ions are in aqueous solution. If no reaction will occur, leave all boxes blank 9 more group attempts remaining
QUESTIONS Answer the following questions in the data section of your lab report: 1. Use the experience you gained from doing the experiment to answer the following: A student tested an unknown mixture that might contain any of the ions tested in this ex- periment and made the following observations: a. On the addition of 6M HCI, the solution remained colorless and no bubbles were observed. b. When 0.1M BaCl2 was added to the acidified unknown, a white precipitate was...
REPORT FOR EXPERIMENT 23 INSTRUCTOR Neutralization-Titration I A. Molarity of an Unknown Acid Data Table Sample 3 (if needed Sample 1 Sample 2 Acid BaseAcidBse AcidBase Final buret reading Initial buret reading o Volume used 200D If a pipet is used to measure the volume of acid, record only in the space for volume used. Molarity of base (NaOH) CALCULATIONS: In the spaces below, show calculation setups for Sample 1 only. Show answers for both samples in the boxes. Sample...
can you answer all the questions? thanks
14. (6 points) Identify what reagents you would use to synthesize the following compound with a Robinson annulation reaction: 15. (6 points) Propose a reasonable step-by-step mechanism for the following conversion: Še ena on . NaOH HO
Could you please help me with
1) and 3)!
A 25.0 mL sample of an unknown acid in water is titrated with 0.1 MNaOH (aq) and resulted in the following data. Note: phenolphthalein indicator and a pH probe were used to monitor pH Volume (mL) 0.1 M NaoH obse pH Observed colour 3.15 3.56 2.5 3.96 4.43 7.5 8.16 10 12.5 11.32 12.09 15.0 17.5 12.37 20.0 12.61 22.5 12.81 25.0 12.86 12.89 27.5 12.91 30.0 Based on the data...
F p Questions: Use the source table shown below to answer questions 1 to 4. Source SS df MS Subjects 323 19 Treatment 72 4 18 Error 76 3 Total 623 99 6 < 0.05 228 1. Identify which type of ANOVA (Repeated-Measures or Factorial) was used to generate this source table, and explain how you determined your response. [1 mark] 2. Would the results of this test significant at a=0.05? How do you know this? [1 mark] 3. Would...
Use the sensitivity report given to answer the questions below: Name SENSITIVITY REPORT Final Reduced Objective Value Cost Coefficient 110 0 350 300 75 Allowable Increase 80 # Aqua-Spa # Hydro-Lux # Typhoon-Lagoon Allowable Decrease 30 Infinite 10 -20 20 320 50 Constraints Name Shadow Price 150 Allowable Decrease Final Value 175 1400 2550 # Pumps used Hrs. Labor Used Ft. of Tubing Used Constant RHS 175 1500 2550 Allowable Increase 10 Infinite 100 15 125 O 7 50 11...
Identify an unknown solution (1, 2, 3 and 4) and fill
the vacancies in the table
Procedure
The unknown solutions are : HCl, NaOH,
Acetic acid, Na2CO3
Test each solution with litmus paper. Record the results in the
data table below.
Take little of each solution in a test tube and add 5 drops of
silver nitrate to each solution. Record the results in the data
table.
Take little of each solution in a test tube and add two drops...
2 questions below thanks
possible Use a table of Standard Reduction Potentials to predict if a reaction will occur between Al metal and Cl2(g), when the two are brought in contact via standard halfcells in a voltaic cell If a reaction will occur, write a balanced net ionic equation for the reaction, assuming that the product ions are in aqueous solution. If no reaction will occur, leave all boxes blank 9 more group attempts remaining
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