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- 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 temperatureRank the following groups in order of decreasing priority. −F, −NH2, −CH3, −OHImportance of Organometallic compounds?
- With link additivity values estimate DH ° 298 for CH3CH2OH (g) → CH3OCH3 (g).Calculate ΔSsys° (J/K) for the catalytic hydrogenation of acetylene to ethane: C2H2(g) + H2(g) → C2H4(g) Substance S° (J/K·mol) C2H2(g) 200.8 H2(g) 130.58 C2H4(g) 219.4Calculate the concentration of atmospheric carbon compounds in ppbv using the data in the table below: Compound Concentration (µg/m3) Toluene 980 m,p-Xylene 910 o-Xylene 510 Benzene 370 Ethylbenzene 310 1,3,5-Trimethylbenzene 230 1-Ethyl-4-methylbenzene 200 Hexane 150 Heptane 130 1-Erthyl-2-methylbenzene 120
- Identify the two geometric isomers of stilbene C6H5CH=CHC6H5 from their λmax values 294 and 278 nm. Explain your answer.! (plz give proper explanation)Each H↔H eclipsing interaction in ethane costs about 4.0 kJ/mol. How many such interactions are percent in cyclopropane? What fraction of the overall 115 kJ/mol (27.5 kcal/mol) strain energy of cyclopropane is due to torsional strain.
- SHOW COMPLETE SOLUTIONS Q3. Which isolate has A260/280 ratio of above 2.0?Provide a brief explanation, based on features of the molecules, for the following trend in pKa valuesCH3CH2OH > CH3COOH 15.9 4.761. Using Br2 in C2H4Br2 will result in HBr and ______. a. C2H3Cl3 b. C2H4Cl3 c. C2H2Cl3 d. none of the above 2. How many halogenation are posible in propane? a. 3 b. 8 c. 6 d. 10 3.Sulfonation of pentane will result in ________ and water. a. C5H11SO3H b. C5H12SO3H c. C5H14SO3H d. none of the above 4.Nitration of hexane will result in ________ and water. a. C6H13SO3H b. C6H15NO2 c. C6H13NO2 d. C6H14NO2 5.How many moles of O2 in heating a C12H26 (dodecane) a. 27 b. 37 c. 24 d. none of the above