Black Forest Biologicals, a biotech startup, has a promising Alzheimer's drug candidate Compound SLT-88 entering Phase I trials this year. SLT-88 is the only product formed by the reaction of two precursor compounds A and B, both of which are quite expensive. The chief medicinal chemist of Black Forest is trying out different reaction conditions to minimize the cost of manufacturing SLT-88. In the table below are listed the initial and final amounts of A and B used under two different trial conditions, and also the actual amount of SLT-88 recovered in each case. Complete the table by calculating the theoretical yield of SLT-88 and the percent yield of SLT-88. Round your amounts to the nearest milligram and your percentages to the nearest whole percent. amount of A amount of B yield of SLT-88 Trial initial final initial final theoretical actual % 1 800. mg 0 mg 450. mg 288. mg 837. mg % ? 2 650. mg 0 mg 400. mg | 244. mg 322. mg

Black Forest Biologicals, a biotech startup, has a promising Alzheimer's drug candidate Compound SLT-88 entering Phase I trials this year. SLT-88 is the only product formed by the reaction of two precursor compounds A and B, both of which are quite expensive. The chief medicinal chemist of Black Forest is trying out different reaction conditions to minimize the cost of manufacturing SLT-88. In the table below are listed the initial and final amounts of A and B used under two different trial conditions, and also the actual amount of SLT-88 recovered in each case. Complete the table by calculating the theoretical yield of SLT-88 and the percent yield of SLT-88. Round your amounts to the nearest milligram and your percentages to the nearest whole percent. amount of A amount of B yield of SLT-88 Trial initial final initial final theoretical actual % 1 800. mg 0 mg 450. mg 288. mg 837. mg % ? 2 650. mg 0 mg 400. mg | 244. mg 322. mg

Chemistry & Chemical Reactivity

9th Edition

ISBN:9781133949640

Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel

Publisher:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel

Chapter20: Environmental Chemistry-earth's Environment, Energy, And Sustainability

Section: Chapter Questions

Problem 33PS

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Black Forest Biologicals, a biotech startup, has a promising Alzheimer's drug candidate Compound SLT-88 entering Phase I trials this year. SLT-88 is the only product formed by the reaction of two precursor compounds A and B, both of which are quite expensive. The chief medicinal chemist of Black Forest is trying out different reaction conditions to minimize the cost of manufacturing SLT-88. actual amount of SLT-88 recovered in each case. Complete the table by calculating the theoretical yield of SLT-88 and the percent yield of SLT-88. Round your amounts to the nearest milligram and your percentages to the nearest whole percent. In the table below are listed the initial and final amounts of A and B used under two different trial conditions, and also the amount of B yield of SLT-88 amount of A Trial % final theoretical actual initial final initial 0 mg 400. mg 220. mg 876. mg 1 850. mg 1000. mg 0 mg 660. mg 537. mg 2 250. mg
Be sure to answer all parts. Determine Angas for each of the following reactions: (a) MgCO3(s) → MgO(s) + CO2(g) mol (b) 2 H2(g) + O2(g) → 2 H₂O(l) mol (c) HNO3(1) + CIF(g) → CIONO2(g) + HF(g) mol
Answer the following questions: (a) In this given reaction: Ni2* +2 Cl'aq) + n NH3(aq) → Ni(NH3),Cl215)- What is the value of n? (aq) (b) What does it mean if the number of moles of NICI, 6H,0 used is equal to the number of moles of Ni(NH3),CI2 obtained?
What is the maximum yield of dibenzalacetone that could be obtained (in grams) if 8.1 g of acetone was used as the starting material (assuming that acetone is the limiting reagent)? Molecular weight of acetone is 58.08 and density is 0.79 at room temperature; MW of dibenzalacetone is 234.30. Write your answer correct to two decimal places.
Reaction 5: In the final crystallization step, the aluminum sulfate from the previous step reacts with potassium sulfate and water still present in the solution from other reactions to produce the final alum product (KA(SO4)2-12H2O). Write a balanced chemical equation for the reaction and compute the theoretical yield of the final alum product. Theoretical Yield Actual Yield % Yield
6. Some sulfuric acid is spilledon a lab bench. You can neutralizethe acid by sprinkling sodiumbicarbonate on it and then moppingup the resultant solution. The sodiumbicarbonate reacts with sulfuric acidas follows:2 NaHCO3(s) + H2SO4(aq)Na2SO4(aq) + 2H2O(l) + 2CO2(g)Sodium bicarbonate is added until thefizzing due to the formation of CO2(g)stops. If 27 mL of 6.0 M H2SO4 wasspilled, what is the minimum mass ofNaHCO3 that must be added to thespill to neutralize the acid?
In the experiment where an Electrophillic aromatic substitution sulfonation reaction is conducted on Indigo to produce the food dye FD&C Blue #2(indigo blue or indigotine).Using the attached data, Calculate percent yield for the formation of indigo carmine.
Use and modify some/all the reactions provided to form the indicated overall reaction according to Hess' Law. • If a reaction is not used in your Hess' Law process, include that indication by multiplying the reaction by "0" • If no modification is needed and the reaction is applied as written below, include that indication by multiplying the reaction by "1" • Use whole numbers and simple fractions (such as "2" or "1/2", not 0.5) and negative signs (such as "-2") where needed Then calculate and report the enthalpy change (in kJ) for the overall reaction in the indicated blank, including units with your written value and rounded to 1 decimal place. Overall Reaction: CS2(1) + 302(g) → CO2(g) + 2SO2(g) Rxn # Reaction ΔΗ° (kJ) 1 C(s) → C(g) 716.67 2 C(s) + O2(g) → CO2(g) -393.5 3 3Fe(s) +202(g) → Fe3O4(s) -1118 4 C(s) + 2S(s) → CS2(1) 87.9 5 CH4(g) + O2(g) → CO₂(g) + H₂O(g) -882.0 6 S(s) + O2(g) → SO2(g) -296.8 N2(g) + 4H2(g) + Cl2(g) → 2NH4Cl(g) -629.1 7
CHEMWORK Hexamethylenediamine (C6H16N2) is one of the starting materials for the production of nylon. It can be prepared from adipic acid (C6H1004) by the following overall reaction: CGH1004() + 2 NH3(g) + 4 H2(g) → CGH16N2(/) + 4 H20(/) Click here to see the production of nylon. What is the percent yield if 353.5 g hexamethylenediamine is made from 644.3 g adipic acid? Submit
F any = www-awa.aleks.com/ O CHEMICAL REACTIONS Understanding theoretical, actual, and percent yield Black Forest Biologicals, a biotech startup, has a promising Alzheimer's drug candidate Compound SLT-88 entering Phase I trials this year. SLT-88 is the only product formed by the reaction of two precursor compounds A and B, both of which are quite expensive. The chief medicinal chemist of Black Forest is trying out different reaction conditions to minimize the cost of manufacturing SLT-88. Trial In the table below are listed the initial and final amounts of A and B used under two different trial conditions, and also the actual amount of SLT-88 recovered in each case. Complete the table by calculating the theoretical yield of SLT-88 and the percent yield of SLT-88. Round your amounts to the nearest milligram and your percentages to the nearest whole percent. 1 2 Explanation amount of A initial final 200. mg 0 mg 900. mg Check 0 mg amount of B initial 500. mg final 290. mg 700. mg 490.…
A Moving to the next question prevents changes to this answer. Question 2 Calculate AH for the formation of benzoic acid from its constituent elements 7C(s) + 3H2(g) + O₂(g) → C6H5COOH(s) Given: C6H5COOH(s) + 15/2 O2(g) → 7CO2(g) + 3H₂O(l) C(s) + O2(g) - CO₂(g) H2(g) + O2(g) → H₂O(l) Attach File Browse Local Files AH = -771.2 kcal AH-94.05 kcal AH = -68.32 kcal Moving to the next question prevents changes to this answer. (2) (3)
Based on the amounts of the reactants, calculate the theoretical yield of fluorescein in your synthesis. Include the formula to calculate the percent yield The reactants towards the product fluorescein are Phthalic Anhydride (mm = 148.11g/mol)(0.3g) and Resorcinol (mm = 110.11g/mol)(0.2g)