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- The synthesis of products is limited by the amount of reactants.(a) If one mole each of CH4, NH3, H2S, and CO2 is added to 1 literof water (= 55.5 moles of H2O) in a flask, how many moles ofhydrogen, carbon, oxygen, nitrogen, and sulfur are in the flask?(b) Looking at the molecular formula in the table, how manymoles of each element would be needed to make 1.0 mole ofglycine? (c) What is the maximum number of moles of glycine thatcould be made in that flask, with the specified ingredients, if noother molecules were made? Explain. (d) If serine or methioninewere made individually, which element(s) would be used up firstfor each? How much of each product could be made?The linear tripeptides are formed from the following three amino acids as the starting materials in the condensation reaction. Select the correct statement: (a) There are 27 possible tripeptides and among them, 13 tripeptides are optically active. (b) There are 26 possible tripeptides and all are optically active. (c) There are 27 possible tripeptides and among them, 26 tripeptides are optically active. (d) There are 26 possible tripeptides and among them, 15 tripeptides are optically active.1. which IR stretches and bends indicate what type of functional group we have (alcohol, carboxylic acid, ester), 2. how you can then use IR to monitor the change from the starting materials to the products. 3. indicate and discussion the absorptions that are relevant to alcohol OH and C-O, carboxylic acid OH, carboxylic acid C=O, ester C=O, and C-O). the picture below is an ir spectra of ethanol
- 1. For the test for sulfur in egg albumin, would you conclude that sulfur is present on it? Explain. 2. If sulfur is present in egg albumin, what are the possible organic compounds which contains sulfur on it? You can search the internet for this. Cite your references.What coefficients must be placed in the following blanks so that all atoms are accounted for in the products?C6H12O6 → ________ C2H6O + ________ CO2 Group of answer choices A. 2; 1 B. 3; 1 C. 1; 3 D. 2; 2Show how you would accomplish the following synthetic transformations. Show all intermediates.(a) 2,2@dibromobutane ¡ but@1@yne (b) 2,2@dibromobutane ¡ but@2@yne(c) but@1@yne ¡ oct@3@yne (d) trans@hex@2@ene ¡ hex@2@yne(e) 2,2@dibromohexane ¡ hex@1@yne (f) cyclodecyne ¡ cis@cyclodecene(g) cyclodecyne ¡ trans@cyclodecene (h) hex@1@yne ¡ hexan@2@one, CH3COCH2CH2CH2CH3(i) hex@1@yne ¡ hexanal, CH3(CH2)4CHO (j) trans@hex@2@ene ¡ cis@hex@2@ene
- In the preparation of aspirin, You can do the functional group test to ensure the completion of the reaction. (a) What is the name of reagent used? (b) What is your observation if any unreacted starting material is present? (c) What is the name of the functional group responsible for this reaction?1. a. Explain why the melting point of palmitic acid (16 carbons, no double bonds) is slightly lower thanthat of stearic acid (18 carbons, no double bonds). Explain why the melting point of oleic acid (18carbons, one double bond) is lower than that of stearic acid b. A mixture of lipids containing phosphatidic acid, cholesterol, testosterone, phosphatidylserine, andphosphatidylethanolamine was applied to a hydrophobic interaction chromatography column. Thecolumn was washed with a high salt buffer, and the lipids were then eluted with decreasing saltconcentrations. In what order would the lipids be eluted from the column? Explain your answer.Potassium nitrate is widely used in industries. The reaction for the industrial production of KNO3 is summarized in the equation below; 4KCl + 4 HNO3 + O2 → 4 KNO3 + 2 Cl2 + 2 H2O Which of the following statements below is correct about the production of KNO3? a. A redox reaction; KCl is a reducing agent and O2 is an oxidizing agent b. A redox reaction; HNO3 is a reducing agent and Cl is an oxidizing agent c. Not a redox reaction d. A redox reaction; KCl is a reducing agent and KNO3 is an oxidizing agent e. A redox reaction; HNO3 is a reducing agent and KNO3 is an oxidizing agent
- 1. What is a “dNTP” and why are they included in the reaction mixture? 2. What will be the final concentration of 25 mM MgCl2, 5 mM dNTPs, and each 25 µM primer in one of the reaction tubes with the final volume of 50 microliters? Hint: use the information in the left column of Table 1 to help you with these calculations. (For one reaction) item 5.25x master mix – add things in order 32.7 µl ddH2O 171.7 µl 10 µl 5x reaction buffer 52.5 µl 3 µl 25 mM MgCl2 15.75 µl 0.5 µl 5 mM dNTPs 2.63 µl 1 µl 25 µM “forward” primer (#3012) 5.25 µl 1 µl 25 µM “reverse” primer (#3013) 5.25 µl 0.8 µl thermostable polymerase 4.2 µl (do not add until needed) Total: 49 µl Total: 257.3 µlIdentify any combination reactions. (Select all that apply.) C4H10 + O2 → CO2 + H2O S8 + O2 → SO3 NaNO3 → NaNO2 + O2 HgO → Hg + O2 Ga + H2SO4 → Ga2(SO4)3 + H2 AgCl2 + H2 → Ag + HCl none of the above Identify any decomposition reactions. (Select all that apply.) C4H10 + O2 → CO2 + H2O S8 + O2 → SO3 NaNO3 → NaNO2 + O2 HgO → Hg + O2 Ga + H2SO4 → Ga2(SO4)3 + H2 AgCl2 + H2 → Ag + HCl none of the above1.The specific rotation of a sample of mandelic acid [PhCH(OH)CO2H] is -9.48° and of pure S-(-)- mandelic acid is -158°. Calculate the (1) % optical purity, (2) ee, (3) % composition and (4) draw a clear stereo-structure for S-(-)-mandelic acid. 2. Explain each of the following concepts: a)positional isomerism b) Newman projection formula c) Chemoselectivity 3. use the molecular formula C4H8O2 to illustrate the following isomers: a) (+)-gauche and antiperiplanar b) chain isomer c) Enantiomer d) Cis-and Trans cycloalkanes