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- R 400m N CO₂tBu OH CO₂Me Ph LDA THF, -78 °C silica gel 6 days room temperature R MeO₂C NCO₂Bu CHO CO,Me I + H₂O(k) (1) Me. an allene CH₂ CO₂Me Ph N₂ a. TsN 3, DBU b. Rh₂(OAC)4 CO₂Me Rh₂(OAC)4nurbuks alixir 9 and lead). solution of ammonium chloride ) (~Hyl) acetate (Pb(CH3006) ₂ This solid? produces a solid. What is the identity of Bott A. Pb (CH₂COO), B. Pb (NH4)₂ C. (NH4), 4 D) Pb C (W) J Ẹ NH, CH, Coo Expl 49 42-0 CO C-PF St LGO (23 21 HO SA R الموت id boke slit + CXIC moth SHMOB stata G
- Acetylene is a very weak acid; however, it will react with moist silver(I) oxide and form water and a compound composed of silver and carbon. Addition of a solution of HCl to a 0.2352-g sample of the compound of silver and carbon produced acetylene and 0.2822 g of AgCl. (a) What is the empirical formula of the compound of silver and carbon? (b) The production of acetylene on addition of HCl to the compound of silver and carbon suggests that the carbon is present as the acetylide ion, C22-. Write the formula of the compound showing the acetyl ide ion.31. A sample of meat scrap weighing 2.000 g is digested with concentrated H2SO4 and a catalyat. The resulting solution is made alkaline with NaOH and the liberated ammonia distilled into a 50.0 mL of 0.6700 N H2SO4. The excess then requires 30.10 mL of 0.06520 N NaOH for neutralization. What is the percentage of nitrogen in the meat?The proton balance equation for a solution of NagPO4 is O (H3O'1+ [H2PO1+ 3[H3PO4] - (OH'] + 3[PO,1 O IH30') + [H2PO41+ [H3PO4]-[OH] + 2[PO,1 O IH30 + [H3POa) = (OH']+ 3(Po, 1 %3D O IH30ʻ) + (HPOo,21 + 2[H2PO4]+ 3[H3PO4) = [OH']
- Give the solution with proper sig figs. 4.523 g O2 x ( 1 mol O2 / 32.00 g O2) x (– 533.7 kJ/ 3 mol O2) = – 25.14505313 kJ a. – 25.145 kJ b. – 25.14505313 kJ c. – 25 kJ d. – 25.1 kJ e. none of these f. – 25.15 kJ g. – 2 x 10^1 kJ h. – 3 x 10^1 kJ i. – 25.14 kJProvide the products for the following reactions: + + MeO2C .CO₂MeWhat type of reaction is shown below? PbSO4(aq) + 2HCl(aq) ==> PbCl2(s) + H2SO4(aq) What is produced?
- i. Which of the reactions given below is wrong? H3O*/H20 (A) MgBr + CO2 H2/Pt (B) CH;CH2CN CH;CH,NH2 heat NABH4 (C) HO OH/H20 (D) CI OHHow does the chemical inertness of CCl2F2 (Freon-12) relate to the usefulness and theproblems associated with this compound?The proton balance equation for a solution of NazPO4 is O [H30*] + [H2PO4] + 3[H3PO4] = [OH']+ 3[P041 3[PO43] O [H3O*] + [H3PO41 = [OH] + 3[PO431 O [H30] + [H2PO4] + [H3PO4] = [OH'] + 2[PO4 O (H30*] + [HPO42] + 2[H2PO41 + 3[H3PO4] = [OH] %3D
