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- A los equilibrios donde todos los componentes están es un mismo estado fisico se les llaman equilibrios heterogeneos O True下午9:55 6月20日 週一 < S T Q + a) I, II, III, IV b) III, IV, II, I c) II, I, III, IV d) IV, III, II, I 3. Wh 3. Which compound undergoes the fastest exchange of hydrogen for deuterium when treated with D₂0 and a trace of OD? (Sec. 14.2) H₂C CH3 0 *xe a) 191 50% U 58 91 v ✪10:28 0. E O O 86%i AIATS For Two Year Medic. A 58 /180 (02:55 hr min Mark for Review The correct order of heat of hydrogenation of the following alkenes is CH3 (1) CH, - CH – CH = CH2 CH, (I1) CH, CH, -CH3 CH3 = C - (III) CH, - C= CH– CH, | > || > II || >l > III III > || > | III > I > I Clear Response III
- Given that the reaction of C2H4 (g) + 3 O2 (g) → 2 CO2 (g) + 2 H2O (1) AH = - 1411 kJ What would AH be for 2 CO2 (g) + 2 H2O (1) → C,H4 (g) + 3 O2 (g) () 1411 J -1411 J O-1411 kJ 1411 kJOTMS OTMS 5M LİCIO4,Et2O HOOrder the following in increasing priority A. -C, -CH, -OL B. -CH3, -CH2OH, -CH2CH3 C. -C≡CH, -CH゠CH2, -CH゠O
- 5. Consider the synthesis of 2-butanone from butyne: Hg2+ || CH3CH,-C=C–H CH;CH,-Ĉ-CH3 H3o* (iv) Name the class of compound D belongs to. (v) Comment on the stability of compound D compared to 3-butanone.P18C.2 The rates of thermal decomposition of a variety of cis- and trans- azoalkanes have been measured over a range of temperatures in order to settle a controversy concerning the mechanism of the reaction. In ethanol an unstable cis-azoalkane decomposed at a rate that was followed by observing the N, evolution, and this led to the rate constants listed below (P.S. Engel and D.J. Bishop, J. Amer. Chem. Soc. 97, 6754 (1975)). Calculate the enthalpy, entropy, energy, and Gibbs energy of activation at -20 °C. -24.82 -20.73 -17.02 -13.00 -8.95 10ʻ x k/5" 14.3 1.22 2.31 4.39 8.50CH3 CH₂CCHCH2CH2CH3 CH, C1 CH3 CH3CCHCH2CH2CH3 CH3 Cl H₂O frío Mecanismo: H₂O calor