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- 1. For the reaction (CH3)2O + C₂H5F → [(CH3)2OC₂H5]+F¯ (a) draw the structure for the cationlunderhor Germany together Which of the following Campound with stbongest digele? and the U.S. is the b.) H2 Se (-) CH3CH3 d.) CH30H3 Which formula can have geometric isomer? O CH;CECCH, CH;CH;CH,CH, + O CH:CH=CHCH;CH: + O CH;=CHCH,CH;CH; +
- 2.) Name the following compounds: OH OH a) H3C. назва "об CH3 CH3Calculate the enthalpy of formation of propane from:a. Combustion data (ΔHc = –2217 kJ mol–1; ΔHf (CO2) = –393.4 kJ mol–1, ΔHf (H2O) =–285.2 kJ mol–1);b. Bond enthalpies (C–C 348 kJ mol–1; C–H 413 kJ mol–1; H–H 436 kJ mol–1; ΔHvap forcarbon = –717 kJ mol–1).moleculur 2. Draw thei Structure z the missing peagent/compound Ĉ (c) 2) NミN
- Formaldehyde, H2C=O, is known to all biologists because of its usefulness as a tissue preservative. When pure, formaldehyde trimerizes to give trioxane, C3H6O3, which, surprisingly enough, has no carbonyl groups. Only one monobromo derivative (C3H5BrO3) of trioxane is possible. Propose a structure for trioxane.4d. polysubstituted benzene HO- O2N NO2 NH2 NO2Prectice q#7 Draw the "hexagon" line structure of the following (be sure to indicate stereochemistry). -Br OH