d) e) g) HOT h) Br 1- 2- Ph H OH Br 1 Br 3- H, H₂O H* NaOEt EtOH 1. PhMgBr (excess) 2. H3O+ CI pog 1) CI O 2) CI DMAP 1) Mg(0), dry ether 2) 3) NH4CI, H₂O , Et3N 10 1-03, CH₂Cl2, -78 °C 2-(CH3)2S Na₂Cr₂O7 H₂SO4, H₂O C9H1402
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- Solution:- 3. Determine the amount, in of a (2.20 M s olution of dichloromethane needed to completely react with 15.72g cyclohexene to give 1,2-dibromocuclohexanw. Assume 12% excess is needed in order to react completely. a . How much 1,2 -dibromocyclohexane would theoretically be produced ? c. How many ML of the 2.20 M Br2 solution are required?CH.8 #8 - Please fill in the blank, cirlce your answer for thumbs up!Predict deltarH for this reaction: C2H4(g) + H2O(l) -> C2H5OH(l) using the enthalpy changes of the following reactions: C2H4(g) + 3O2(g) -> 2CO2(g) + 2 H2O(l); deltarH = -1411.1 kJ/mol-rxn C2H5OH(l) + 3O2(g) -> 2CO2 + 3 H2O(l); deltarH = -1367.5 kJ/mol-rxn Report your answer with units of kJ/mol-rxnIf you number is negative, include the negative symbol. If your number is positive, do not include the positive symbol.
- please provide the machanisms of 1a, 1e, 1fHi! can anyone here help me to create a schematic diagram about the experiments: " 21. Preparation of Ethyne" by Pdst Chemistry, and "Activity 10: Functional Group Tests for Hydrocarbons" by FRETZ RMT since i dont know what a schematic diagram is, and what processes/contents should be in it. thank youAs you might suspect, B-carotene, C,Hw precursor to vitamin A, was first isolated from carrots. Dilute solutions of B-carotene are yellow, hence its use as a food coloring. In plants, it is almost always present in combination with chlorophyll to assist in the harvesting of the energy of sunlight and to protect the plant against reactive species produced in photo- synthesis. As tree leaves die in the fall, the green of their chlorophyll molecules is replaced by the yellows and reds of carotene and carotene-related molecules. Compare the carbon skeletons of B-carotene and lycopene. What are the similarities? What are the differences? H3C. H3C CH3 CH3 CH3 H,C CH3 CH3 CH3 B-Carotene
- At constant pressure and 25 C, what is the Delta rH for the following reaction: 2C2H6 (g) + 7O2(g) --> 4CO2(g) + H2O(l) if the complete consumption of 12.5g of C2H6 liberates 752.3 kJ of heat energy?Consider the compounds 1-pentanol,CH3-CH2-CH2-CH2-CH2-OH, melting point -78C boiling point 138C, MW=88.15. 1,6-hexanediol ,HO-CH2-CH2-CH2-CH2-CH2-CH2-OH, mp 42C,bp=250C.MW=118.18. The compound 1,6-hexanediol is more soluble in water than 1-pentanol is. This is because 1,6-hexanediol.... 1) has more carbon atoms 2)has a higher molecular weight 3)has more -OH groups 4)is a solid at room temperaturewhat is beer lambert law . write 10 application . give asap within 10 min
- but my prof said the answer is H2SO4,NaCN and H2O for solvent. why did he answer like above? and please tell me how did u find KCN and HCN what makes you answer like that Should i have to memorize some solvent or reagent? then let me kno that listAccording to Schwabe and Wagner, the heats of combustion in a constant-volume calorimeter for fumaric and maleic acids are -1337.21 kJ mol-1 and -1360.43 kJ mol-1, respectively, at approximately 25 °C. What is the enthalpy of isomerization of maleic acid into fumaric acid in kJ mol-1?) Calculate the ΔG°rxn using the following information. 4 HNO3(g) + 5 N2H4(l) → 7 N2(g) + 12 H2O(l) ΔG°rxn = ? ΔG°f (kJ/mol) -73.5 149.3 -237.1