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Find out the normal boiling point (in Celsius) of pure acetic acid giving that the liquid has a vapor pressure of 13.9 torr at 25degree Celsius and its heat of vaporization (Δhvap) is 41.7kj/mol.
A buffer solution contains 0.71 mol of boric acid (H3BO3) and 0.53 mol of sodium dihydrogen borate (NaH2BO3) in 4.00 L. The Ka of boric acid (H3BO3) is Ka = 5.8e-10. pH of buffer solution
Arrange the following substances in order of increasing strength of intermolecular forces: H2O, He, I2, and N2
Ethanol (molar mass = 46 g/mol) can be dehydrated to yield ethene (molar mass = 28 g/mol) by heating it with an excess of concentrated sulfuric acid (acting as a catalyst). CH3CH2OH CH2=CH2 + H2O If 23.3 g of ethanol produced 12.5 g of ethene
a 1.30 gram sample of dry ice is added to a 755ml flask containing nitrogen gas at a temperature of 25.0 degrees
an infinitely sharp zone of solute is placed at the center of acolumn at time t 0. after diffusion for time t1 the
Provide a detailed stepwise mechanism for the acid catalyzed dehydration of cyclohexanol to cyclohexene
the pain reliever phenacetin is soluble in cold water to the extent of 1.0 g 1310 ml and soluble in diethyl ether to
we were taught about effective nuclear charge as a result ofshielding but not taught how to calculate it. so my
consider a neuron at rest at 37degc with ion concentrationsinside and outside the cell as at right inside outsidena 10
A solution is made by mixing equal masses of methanol, CH4O, and ethanol, C2H6O. Determine the mole fraction of each component
The 13C nucleus is a spin 1/2 particle, which means it can orient in two directions in a magnetic field (with the field and against it). The difference in energy between the two orientations is given by:
An ester can also be prepared by carrying out an SN2 reaction between a carboxylate ion (RCO2-) and the appropriate alkyl halide (R'-X). Is this approach possible for the synthesis of aspirin. Explain
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