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POST-LAB QUESTIONS: 1. Give two physical properties you observed in your crude (unpurified) aspirin sample. 2....
evented or corrected. If you did not make any error 8: Describe any errors you may...
evented or corrected. If you did not make any error 8: Describe any errors you may have made during this procedure and how they could you did not make any errors, provide at least one theoretical source of error T-LAB QUESTIONS: 1. Give two physical properties you observed in your crude (unpurified) asp in your crude (unpurified) aspirin sample. 2. If the theoretical vield of a reaction was calculated to be 3.11g and the actual yield was a yield for...
Calculate the theoretical yield of the aspirin. Show all work: 2.50x 180 aSpirin DATA TABLE for A...
Please use picture #1 to answer the chemistry questions in picture
#2. Thank you
Calculate the theoretical yield of the aspirin. Show all work: 2.50x 180 aSpirin DATA TABLE for ASPIRIN: Mass of salicylic acid (g): Mass of filter paper (g): Calculated theoretical yield of &.So aspirin product: 3.26 Salycylic acid color with Fer FeCl, color tests Your aspirin color with FeCl: Dark pure - Part 2: Mass of acetylsalicylic acid (aspirin) after drying and filter paper Mass aspirin) Calculate...
Experiment 11: Synthesis of Aspirin pre-lab (4 pts) 1) (2 pts) Refer to the introduction on...
Experiment 11: Synthesis of Aspirin pre-lab (4 pts) 1) (2 pts) Refer to the introduction on interpreting the ferric chloride test for phenols. Two students performed the aspirin synthesis experiment. Their melting point and ferric chloride test data are shown below. Based on the results, which student's aspirin has the higher purity? Justify your choice using the melting point data and ferric chloride test results. Melting point range for pure aspirin = 136-140 °C. Melting point range (°C) Ferric chloride...
Question 2&3 Post-Lab: Experiment 9 1. Define the terms diene and dienophile as they apply to...
Question 2&3
Post-Lab: Experiment 9 1. Define the terms diene and dienophile as they apply to the Diels-Alder reaction Based on the amount of cyclopentadiene you used, how many grams is this? 2. The cyclopentadiene collected from the retro-Diels-Alder reaction must be kept cooled and used fairly soon. Why? 3. 159 Experiment 9 Cycloadditions: The Dieis-Alder Reaction Lab Report: Experiment 9 Preparation of the Adduct Molecular Weight Reagent Grams Moles 6l6-105 0.076 0.05l Cyclopentadiene S1 maleic Anhydride Maleic anhydride The...
1. Based on the physical and chemical properties you observed in your unknown and each of...
1. Based on the physical and chemical properties you observed in your unknown and each of the carbonyl compounds, identify your unknown and explain fully (using at least 2 tests) how you came to your conclusion. and you believe it is Your unknown letter is Explain based on the results of at least 2 tests/observations: POST-LAB QUESTIONS: 1. Predict the product of the following reactions. If no reaction occurs write "NR" CH CH CH 2. Which test(s) would you use...
Subtitle Bube Emo albendte Aabbccc Aabed AaBb AbCedex Abcode x AA EE & Heading 2 (1)...
Subtitle Bube Emo albendte Aabbccc Aabed AaBb AbCedex Abcode x AA EE & Heading 2 (1) Table of Key Reagents: Fill in Table. Click inside each cell. Chemical chemical molecular melting Purpose density boiling mass Name formula point ( (g/mole) (liquids) point (g/mL) 30% hydrogen peroxide Reactant H202 34.0147 NA NA N/A Cyclohexene Solvent C6H10 82.143 NA 181.4 0.811g/ml Adipic acid Solvent C6H1004 146.14 NA NA a) Data Table for Green Chemistry Synthesis of Adipic Acid. Complete this table based...
POST LAB QUESTIONS. 1. If you used more water in your calorimeter, would the observed temperature...
POST LAB QUESTIONS. 1. If you used more water in your calorimeter, would the observed temperature change upon the addition of the hot solid object be larger or smaller than the temperature change you observed? Explain. 2. Your instructor handed you a 1-L sample of a liquid and asked you to determine its specific heat. How would you determine the specific heat of the liquid using the equipment in this lab? 3. What effect would not covering the calorimeter cup...
CHEM 2001 Exp post lab Staple this to the post lab grade sheet... 5. Calculate the...
CHEM 2001 Exp post lab Staple this to the post lab grade sheet... 5. Calculate the theoretical yield for this reaction using measurements from procedure. 6. If you obtained an actual yield of 0.57g. what is the yield? 7. What IR absorptions do you expect for the starting material (only in the functional group reg 4000cm to 1500cm)? 8. What IR absorptions do you expect for the product (only in the functional group region 4000cm 1500cm-')? to 9. If you...
can you please help me with this !!! which ever you can is fine, please... thanks...
can you please help me with this !!!
which ever you can is fine, please... thanks !
Results/Data • Aspirin synthesis salicylic acid: 2.0 g Acetic anhydride: 2 mL d= 1.082g/ml sodium acetate: 0.4 g • Experimental yield of aspirin: 2.4 g REPORT DATE: NAME: LAB PARTNER: I PREPARATION OF METHYL SALICYLATE (OIL OF WINTERGREEN): Reaction Odor: Color after addition of FeCl solution: Control Odor: Color after addition of FeCl3 solution: Question Which functional group of salicylic acid forms a...
numbers 1-3 Post-Laboratory Questions-EXP 3 Nitration of Aromatic Compounds Name: Due after completing the lab. 1....
numbers 1-3
Post-Laboratory Questions-EXP 3 Nitration of Aromatic Compounds Name: Due after completing the lab. 1. Why is concentrated sulfuric acid emploved in thie on? What is the electrophile that is produced by the reaction of sulfuric acid and nitric acid? 2. Why is it important to maintain the reaction temperature low and the addition of nitric acid-sulfuric acid mixture carried out slowly? 3. Explain why concentrated H2SO4, not concentrated HC1, was used in this experiment? 4. Which ring of...
evented or corrected. If you did not make any error 8: Describe any errors you may have made during this procedure and how they could you did not make any errors, provide at least one theoretical source of error T-LAB QUESTIONS: 1. Give two physical properties you observed in your crude (unpurified) asp in your crude (unpurified) aspirin sample. 2. If the theoretical vield of a reaction was calculated to be 3.11g and the actual yield was a yield for...
Please use picture #1 to answer the chemistry questions in picture
#2. Thank you
Calculate the theoretical yield of the aspirin. Show all work: 2.50x 180 aSpirin DATA TABLE for ASPIRIN: Mass of salicylic acid (g): Mass of filter paper (g): Calculated theoretical yield of &.So aspirin product: 3.26 Salycylic acid color with Fer FeCl, color tests Your aspirin color with FeCl: Dark pure - Part 2: Mass of acetylsalicylic acid (aspirin) after drying and filter paper Mass aspirin) Calculate...
Experiment 11: Synthesis of Aspirin pre-lab (4 pts) 1) (2 pts) Refer to the introduction on interpreting the ferric chloride test for phenols. Two students performed the aspirin synthesis experiment. Their melting point and ferric chloride test data are shown below. Based on the results, which student's aspirin has the higher purity? Justify your choice using the melting point data and ferric chloride test results. Melting point range for pure aspirin = 136-140 °C. Melting point range (°C) Ferric chloride...
Question 2&3
Post-Lab: Experiment 9 1. Define the terms diene and dienophile as they apply to the Diels-Alder reaction Based on the amount of cyclopentadiene you used, how many grams is this? 2. The cyclopentadiene collected from the retro-Diels-Alder reaction must be kept cooled and used fairly soon. Why? 3. 159 Experiment 9 Cycloadditions: The Dieis-Alder Reaction Lab Report: Experiment 9 Preparation of the Adduct Molecular Weight Reagent Grams Moles 6l6-105 0.076 0.05l Cyclopentadiene S1 maleic Anhydride Maleic anhydride The...
1. Based on the physical and chemical properties you observed in your unknown and each of the carbonyl compounds, identify your unknown and explain fully (using at least 2 tests) how you came to your conclusion. and you believe it is Your unknown letter is Explain based on the results of at least 2 tests/observations: POST-LAB QUESTIONS: 1. Predict the product of the following reactions. If no reaction occurs write "NR" CH CH CH 2. Which test(s) would you use...
Subtitle Bube Emo albendte Aabbccc Aabed AaBb AbCedex Abcode x AA EE & Heading 2 (1) Table of Key Reagents: Fill in Table. Click inside each cell. Chemical chemical molecular melting Purpose density boiling mass Name formula point ( (g/mole) (liquids) point (g/mL) 30% hydrogen peroxide Reactant H202 34.0147 NA NA N/A Cyclohexene Solvent C6H10 82.143 NA 181.4 0.811g/ml Adipic acid Solvent C6H1004 146.14 NA NA a) Data Table for Green Chemistry Synthesis of Adipic Acid. Complete this table based...
POST LAB QUESTIONS. 1. If you used more water in your calorimeter, would the observed temperature change upon the addition of the hot solid object be larger or smaller than the temperature change you observed? Explain. 2. Your instructor handed you a 1-L sample of a liquid and asked you to determine its specific heat. How would you determine the specific heat of the liquid using the equipment in this lab? 3. What effect would not covering the calorimeter cup...
CHEM 2001 Exp post lab Staple this to the post lab grade sheet... 5. Calculate the theoretical yield for this reaction using measurements from procedure. 6. If you obtained an actual yield of 0.57g. what is the yield? 7. What IR absorptions do you expect for the starting material (only in the functional group reg 4000cm to 1500cm)? 8. What IR absorptions do you expect for the product (only in the functional group region 4000cm 1500cm-')? to 9. If you...
can you please help me with this !!!
which ever you can is fine, please... thanks !
Results/Data • Aspirin synthesis salicylic acid: 2.0 g Acetic anhydride: 2 mL d= 1.082g/ml sodium acetate: 0.4 g • Experimental yield of aspirin: 2.4 g REPORT DATE: NAME: LAB PARTNER: I PREPARATION OF METHYL SALICYLATE (OIL OF WINTERGREEN): Reaction Odor: Color after addition of FeCl solution: Control Odor: Color after addition of FeCl3 solution: Question Which functional group of salicylic acid forms a...
numbers 1-3
Post-Laboratory Questions-EXP 3 Nitration of Aromatic Compounds Name: Due after completing the lab. 1. Why is concentrated sulfuric acid emploved in thie on? What is the electrophile that is produced by the reaction of sulfuric acid and nitric acid? 2. Why is it important to maintain the reaction temperature low and the addition of nitric acid-sulfuric acid mixture carried out slowly? 3. Explain why concentrated H2SO4, not concentrated HC1, was used in this experiment? 4. Which ring of...
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