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An unknown compound, "P", isolated from a mould, was found to be optically active as well as to have a molecular formula of C11H20. Hydrogenation of P with excess H2 utilizing a finely divided platinum catalyst produced compound "Q", C11H24.
Vigorous oxidation of P with hot acidic KMnO4 produce merely two compounds, with a ratio of 2 moles of "R" (C3H6O to 1 mole of "S" (C5H8O4). Compound S was as well optically active.
Assume possible structures for P,Q,R and S. Define the reasons for your deductions.
A sodium hydroxide solution was standardized by titrating 26.50 ml of 0.1250 M standard hydrochloric acid. The initial buret of sodium hydroxide was 1.24 ml and the final was 33.26. What is the molarity of the base solution
Determine the pH of a solution that is 1.80% NaOH by mass. Assume that the solution has density of 1.01 g/ml.
In a solution of acetone and ethanol, the mole fraction of acetone is 0.40. What is the concentration of acetone as a mass percent?
The vibrational frequency of H2 is 131.9 THz. What is the vibrational frequency of T2 (T=3H)
when 50.0 gram of metal at 75.0 C is added to 100 grams of water at 15.0 C the temperature of the water rises to 18.3 C. Assume that no heat is lost to the surroundings. What is the specific heat of this metal
Propose mechanisms for the formation of fragments with m/z 69, 43 and 41 in the mass spectra of CH3CH=CHC(O)CH3 and briefly explain the absence of fragments from the McLafferty rearrangement.
Give the IUPAC name for the alkyl group not the common name. Given the locant of the parent as well as any parentheses that are necessary. a) 6- dodecane b) 6-( )dodecane c) 6-( )dodecane d) 6-( )dodecane
If you have 15mL of 0.1 M NaC2H3O2, and the pH is 7.0. What would the Kb be for this reacton
Be specific of what type of compound butane is (ionic or covalent). If it isionic, mention which is the cation and which is the anion. Discuss how the ions formed
three compounds were found to have the same empirical formula that is the same number of carbons hydrogens oxygens
Compute the expected pH when 0.5mL of 0.1 M HCL is added to 30.0mL pure water. Do the same computation when the same amount of HCL is added to 30.0mL of your original .05M buffer. Compare the compute pH to the actual measured pH.
What is the pH of a solution prepared by mixing 50.0 mL of 0.10 M methylamine, CH3NH2, with 20.00 mL of 0.10 M methylammonium chloride, CH3NH3Cl
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