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Grade: Biginelli Reaction Post-Lab Questions CHEM326 Section: Date:/ t. Balance the following equation (using structural formulas)....
Balance the following equation (using structural formulas). You will have to add reactant(s) and/or product(s) to...
Balance the following equation (using structural formulas). You will have to add reactant(s) and/or product(s) to the left- and/or right-hand sides in order to do this.
1. Balance the reaction equation below. Note: consider the equilibrium shown on p. 47 of your...
1. Balance the reaction equation below. Note: consider the equilibrium shown on p. 47 of your lab manual. MOBI pyridinium tribromide E-stilbene meso-stibene dibromide 2. Complete the following table, using your actual measured amounts. Greyed-out cells do not need to be filled. bp MW vol. mass (C) (g/mol) (mL) (mg) mmol equiv E-stilbene 180.25 12.10.28% acetic acid (glacial) 118 Iml pyridinium tribromide 319.82 10.312 meso-stilbene dibromide 236- 237 340.05 0.051 3. Mass of product:_ 0.019 4. mp of product: 290...
Experiment 9. Grignard Reaction Mini Lab Report Part 1. Report the data you obtained during the...
Experiment 9. Grignard Reaction Mini Lab Report Part 1. Report the data you obtained during the lab using the correct number of significant figures. Be sure to include the appropriate units. Summary of Data ml Amount of bromobenzene used Amount of magnesium used 0.5 mol mL Amount of benzophenone used 2.25 mol Limiting Reactant Theoretical Yield Actual Yield Percent Yield Experimental Melting Point Literature Melting Point Major Observations from the lab:
Name Lab Partner LAB 9 REFLECTIVE EXERCISES Lab Section 1 What data did you collect to...
Name Lab Partner LAB 9 REFLECTIVE EXERCISES Lab Section 1 What data did you collect to indicate that you successfully produced aspirin? What did your results indicate about the purity of the aspirin you obtained? Explain your answers. 2 Given that the melting point of salicylic acid is 159 C, can you be certain that the product you isolated was not pure solicylic acid that was unchanged during the reaction? Can you be certain that the product you isolated was...
Name TA Laboratory Date - Section Experiment 9-Post-lab Questions 1. Methanol (CH,OH) can be produced by...
Name TA Laboratory Date - Section Experiment 9-Post-lab Questions 1. Methanol (CH,OH) can be produced by the reaction of carbon monoxide (CO) with hydrogen (H). The balanced chemical reaction is: CÓg) + 2 H (8) -CH,OH() Suppose 14.0 g of carbon monoxide is reacted with 8.0 g of hydrogen. a. Which reactant is the limiting reagent? b. What is the theoretical yield for methanol? c. At the completion of the reaction, how many grams of the excess reagent will remain?...
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...
I need help with the following questions 1,2,3 the molarity for Sodium Carbonate is .50 and for Calcium Nitrite is .25 t...
I need help with the following questions 1,2,3 the molarity for
Sodium Carbonate is .50 and for Calcium Nitrite is .25 the volume
for both is 100mL
Lab 7 Post-Lab Upload Write out the molecular, ionic, and net ionic equations for the precipitation reaction (you should already have these in your notebooks from lab. Make sure the molecular equation is properly balanced, we will use it for the below calculations. Molecular: Naz CO3(aq) + Ca(NO3)2(aq) - 2 NaNO3)(aq) + CaCO3...
First Name: Lab Section: Last Name: Class Roll # Pre-lab questions for Experiment #9: Dehydration of...
First Name: Lab Section: Last Name: Class Roll # Pre-lab questions for Experiment #9: Dehydration of cyclohexanol 1. Give the overall reaction for the dehydration of cyclohexanol. 2. Cyclohexanol is the limiting reactant in the above reaction. Starting with 3.5 mL of cyclohexanol, what is the theoretical yield (in grams) of cyclohexene? 3. If 2-methylcyclohexanol is subjected to El dehydration, two major products are formed. What are the two products (draw their structures - be careful that you don't draw...
Exercise 7: The % Yield of Aspirin Name Date Read Exercise 7 in your lab manual....
Exercise 7: The % Yield of Aspirin Name Date Read Exercise 7 in your lab manual. Complete the Pre-lab Assignment. In this substitute lab exercise, you will watch a short video on preparing aspirin. The video is posted on the course Moodle page, and it provides the masses of the reactants and the product; you should be able to calculate the theoretical yield and the % yield from the data given by the video. Submit the completed assignment by March...
Balance the following equation (using structural formulas). You will have to add reactant(s) and/or product(s) to the left- and/or right-hand sides in order to do this.
1. Balance the reaction equation below. Note: consider the equilibrium shown on p. 47 of your lab manual. MOBI pyridinium tribromide E-stilbene meso-stibene dibromide 2. Complete the following table, using your actual measured amounts. Greyed-out cells do not need to be filled. bp MW vol. mass (C) (g/mol) (mL) (mg) mmol equiv E-stilbene 180.25 12.10.28% acetic acid (glacial) 118 Iml pyridinium tribromide 319.82 10.312 meso-stilbene dibromide 236- 237 340.05 0.051 3. Mass of product:_ 0.019 4. mp of product: 290...
Experiment 9. Grignard Reaction Mini Lab Report Part 1. Report the data you obtained during the lab using the correct number of significant figures. Be sure to include the appropriate units. Summary of Data ml Amount of bromobenzene used Amount of magnesium used 0.5 mol mL Amount of benzophenone used 2.25 mol Limiting Reactant Theoretical Yield Actual Yield Percent Yield Experimental Melting Point Literature Melting Point Major Observations from the lab:
Name Lab Partner LAB 9 REFLECTIVE EXERCISES Lab Section 1 What data did you collect to indicate that you successfully produced aspirin? What did your results indicate about the purity of the aspirin you obtained? Explain your answers. 2 Given that the melting point of salicylic acid is 159 C, can you be certain that the product you isolated was not pure solicylic acid that was unchanged during the reaction? Can you be certain that the product you isolated was...
Name TA Laboratory Date - Section Experiment 9-Post-lab Questions 1. Methanol (CH,OH) can be produced by the reaction of carbon monoxide (CO) with hydrogen (H). The balanced chemical reaction is: CÓg) + 2 H (8) -CH,OH() Suppose 14.0 g of carbon monoxide is reacted with 8.0 g of hydrogen. a. Which reactant is the limiting reagent? b. What is the theoretical yield for methanol? c. At the completion of the reaction, how many grams of the excess reagent will remain?...
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...
I need help with the following questions 1,2,3 the molarity for
Sodium Carbonate is .50 and for Calcium Nitrite is .25 the volume
for both is 100mL
Lab 7 Post-Lab Upload Write out the molecular, ionic, and net ionic equations for the precipitation reaction (you should already have these in your notebooks from lab. Make sure the molecular equation is properly balanced, we will use it for the below calculations. Molecular: Naz CO3(aq) + Ca(NO3)2(aq) - 2 NaNO3)(aq) + CaCO3...
First Name: Lab Section: Last Name: Class Roll # Pre-lab questions for Experiment #9: Dehydration of cyclohexanol 1. Give the overall reaction for the dehydration of cyclohexanol. 2. Cyclohexanol is the limiting reactant in the above reaction. Starting with 3.5 mL of cyclohexanol, what is the theoretical yield (in grams) of cyclohexene? 3. If 2-methylcyclohexanol is subjected to El dehydration, two major products are formed. What are the two products (draw their structures - be careful that you don't draw...
Exercise 7: The % Yield of Aspirin Name Date Read Exercise 7 in your lab manual. Complete the Pre-lab Assignment. In this substitute lab exercise, you will watch a short video on preparing aspirin. The video is posted on the course Moodle page, and it provides the masses of the reactants and the product; you should be able to calculate the theoretical yield and the % yield from the data given by the video. Submit the completed assignment by March...
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