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Suppose that 150.2 J of heat energy is required to completely vaporize 5 g of a pure liquid. If the molar mass of the liquid is 95.64 g/mol, what is the molar enthalpy of vaporization of the liquid
Draw the expanded structural formula for the following condensed formula.
Draw the structure of phenylethyla amine and tell me what the CH3 and CH2 patterns in the HNMR
When the electron cloud of a molecule is easily distorted, the molecule has a high ?
MnO2 is oxidized to MnO4 and Cu2 is reduced to Cu . Complete and balance the equation for this reaction in acidic solution. Phases are optional.
What is the change in entropy for the system, surroundings, AND total for the following processes
solid sodium is added to liquid water and reacts to produce hydrogen gas and aqueous sodium hydroxide. Write a balanced chemical equation for this reaction.
when 3-hydroxycyclobutanone is treated with mid base, 1,3,5-triacetybenzene is formed in 50% yield.
You are told to prepare a Ammonium buffer solution (0.15M, pH 8.5; 1.0L). You have HCl (0.15M); Ammonia (NH3) and Ammonium chloride (NH4Cl); solid 100g) (Kb for NH3 = 1.8 x 10-5). Please show how you are going to prepare this solution.
At what ph would you carry out an electrophoresis experiement if you wanted to seperate a mixture of lysine
what is the theoretical (or calculated) yield of NH4 Al (SO4)2 * 12 H2O formed from 1.872 g of Al(OH)3?Assume all other reagents are in excess
A series of lines in the spectrum of atomic hydrogen has a maximum wavelength of 7459.9 nm and then progresses to lower wavelengths. What is the wavelength of the 2nd line in the series in nm
Calculate the enthalpy change in kilojoules when some KOH is added to 47.727 g of water and the temperature increases
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