Estimate the following question and write the final answers for (22-25): 4.0 L sample of H₂(g) at 15 atm and 35°C is allowed to a final pressure of 1.0 atm adiabatically and reversibly. (22) Calculate the final temperature (Kelvin) (T₂)? 22. (23) Calculate the work (Joule) done during the process? (24) Calculate the value of the enthalpy (Joule) for the process? (25) Calculate the heat (Joule) flows during the process? -

12----| + SO3 H₂SO4 CH₂ Br

See Figure 2-3. Do an orbital analysis of C-2 (arrows on lines like we did in class). It has a pi bond to C-1 and a pi bond to C-3. What is its hybridization? sp3 sp2 sp

One of the first drugs to be approved for use in treatment of acquired immune deficiency syndrome (AIDS) was azidothymidine (AZT). CH3 C6 || Cs- H. N5 C8- H H. H-O- H C4 H C2-C3 H N1 N3

O O O O F F H-C-C-C-H CI CI FL LL F CI F F F C=C XE F CI F C=C1C-F

Curved arrows are used to illustrate the flow of electrons. Follow the curved arrows and draw the missing intermediates and product of this hydrohalogenation reaction. Include all lone pairs. Select to Draw H I I I I H3O+ H₂O > H.CO H 1,2-hydride shift Drawing H

For each organic compound in the table below, enter the locant of the highlighted side chain. CH3 CH₂ CH₂ H CH3 · C CH₂- CH CH3 CH₂ CH3- compound CH₂ I CH₂- CH CH | CH₂ CH3- — - CH₂ | CH₂-C. CH3 | — ぎーぎ CH3 locant of highlighted side chain 0 0

CO₂Et (1) 1 equiv. LiNH2/NH3 Ph CO₂Et (2) CH31 CO₂Et (1) 2 equiv. LiNH2/NH3 Ph losno se Jee CO₂H (2) CH31 CO₂H HM HMM (1) 2 equiv. LiNH2/NH3 Ph CO₂Et (2) CH31

Show the mechanism

O O P AI