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Determine the solubility of p-dibromo benzene in benzene at 20 and 40 degrees C assuming that ideal solutions are produced. The enthalpy f fusion of p-dibromo benzene is 13.22kJ/mol at its m
Draw the general structure of a lipid and label the hydrophilic portion and circle the hydrophobic portion. The functional group found in all Lipids is esters.
Determine how many liters of liquid nitrogen are produced when the 500.0 L of nitrogen gas are liquefied at this temperature? Liquid nitrogen is obtained by condensing gaseous nitrogen found in air
Let the set of vectors satisfying X1+3x2+2x3+x4 = 4. Determine extreme point of feasible region. Determine basic solution that is not feasible.
1-propse a reaction that will form BaSO4(s) to be used as anx-ray contrast agent for the diagnosis of using a soluble form of SO4 (2-) and a soluble form of Ba two separate solutions that will be mi
A 50.00-mL sample which is having an analytic gives a signal of 11.5(arbitrary units). A second 50-mL aliquot of the sample, which is spiked with 1.00-mL of a 10.0-ppm standard solution of the
Illustrate the skeletal structure of one of the enantiomers (that means you have to show wedge/dash bond(s)) produced when the (Z)-3-methyl-2-pentene reacts with Br2 in the presence of water.
Determine the value of the rate constant for this reaction? It takes 30.0 min for the concentration of a reactant in a second-order reaction to drop from the 0.40 M to 0.30 M.
Provide the bond order for the C-C bond. Name this type of bond. Explain the orbital hybridization around each C atom and hence determine the spatial distribution of bonding orbital around each carb
Determine the critical points and phase portrait of autonomous first order diffrential equation dy/dx= y(2 - y) (4 - y) Categorize each critical points as asymptotically stable.
The solution has an osmotic pressure of 1.43 atm at 27°C. A quantity of 7.480 g of an organic compound is dissolved in the water to make 300.0 mL of solution.
If 2 N NaOH were used in the workup of this reaction instead of bicarbonate, explain what unwanted product might be obtained? Find out to protons that would become significantly deshielded on synth
Explain what quantity of heat in kJ is produced when 100 mL of 1.0 M H2SO4 is mixed with 100 mL of 1.0 MKOH? The heat of neutralization for a strong acid in dilute water solution is about 60 kJ mol
Determine the mass of Hg3PO4 formed?Determine the molarity of the un-reacted species HgNO3 or Na3PO4 after the reaction is complete?
Explain how can you tell which compound is a stronger acid just by looking at the structure? Also, how do you know which is the most reactive nucleophile in a SN2 reaction?
Calculate the boiling point and the heat of vaporization of helium. The vapor pressure of helium is 200 torr at 3.07 degree Kelvin and 500 torr at 3.81 degree Kelvin.
Determine the relationship between melting point, vapor pressure, and the boiling point. IN the sense that does it mean that a substance with a low melting point will have a high boiling point and
Discuss how NH3 and HCl fit the definition of an acid and abase respectively, according to the Discuss how water satisfies the requirements of both a Bronsted-lowry acid and a Bronsted-lowry base.
The ends of three balloons, containing .6 g, 1.2 g, and 2.4 g of magnesium ribbon, are stretched over the mouth of the three flasks. 100mL of Hydrochloric acid solution is added to three flasks.&nbs
Determine the pH of a buffer solution prepared by dissolving the 0.15mole benzoic acid, C6H5COOH, and 0.45 mole of sodium benzoate, C6H5COONa, in enough water to make the 400 mL of solution?
At -20 degrees C the 100g of ice is dropped into a liter of 100 degrees C of water. At what temperature does the water end up? Can anyone explain how to do this problem?
Determine the titration between 25.00ml of 1.00 x10-2 M solution of hydroxyl acetate with 1.50 x10-2 M solution of KOH. Determine the pH for 0.00ml and 2.00ml of base added.
Assume a 15.67g sample of green leaves that contain oxalic acid needs 23.45 mL of 0.0250 M KMnO4 for titration to the equivalence point. Determine the weight percent of oxalic acid in the leaves?
Determine the molarity of this glycerol solution. (Molar Mass: 92.093g/mol) Exactly 250.0ml of glycerol solution was prepared by dissolving the 27.5 ml of glycerol (CH2OHCHOHCH2OH), density at 25.0
The molar volume of liquid methanol is 36.16ml. The normal melting point of 175.47 degree Kelvin is raised to 176.61 degree Kelvin under a pressure of 100atm.