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At 27 degrees celsius, the vapor pressure of pure water is 23.76 mmHg and that of an aqueous solution of urea is 22.99 mmHg. Calculate the molality of urea in the solution.
As a scuba diver descends under water, the pressure increases. At a total air pressure of 2.96 atm and a temperature of 25.0 C, what is the solubility of \rm N_2 in a diver's blood?
what is the K value for compound Z in this biphasic system, (2) how much do you remove in each individual extraction, (3) how much of compound Z is extracted with those three 33.3 mL extractions added together, AND (4) how much is still in the wat..
What is the morality of an unknown sulfuric acid solution if it takes 23.35 mL of a 0.3335 M lithium hydroxide solution to neutralize it?
A first order reaction has an Arrhenius constant for the reaction is 9.4 x 10^10 sec ^-1, and an activation energy of 64.4 kJ. At what temperature (in Celsius) is the rate constant equal to 0.472 sec^-1
What is the value of Delta G when [H+]= 1.6×10?8 ,[CH3NH3] = 5.0×10?4 , and [CH3NH2] = 0.110 delta Go=19.1
Beryllium(II) forms a complex with acetylacetone (166.2g/mol). Calculate the ?molar absorptivity of the complex, given that a 1.34-ppm solution has a transmittance of 55.7% when measured in a 1.00-cm cell at 295 nm, the wavelength of maximum absor..
Any help on how to do or start this problem. Calculate the change in pH of rainwater resulting from an increase in the P of CO2 from 10^-3.5 atm to 10^-3.0 atm due to fossil fuel emissions.
The standard molar heat of fusion of ice is 6020 J/mol. Calculate q, w, and E for melting 1.00 mol of ice at 0C and 1.00 atm pressure.
Why is the C-C bond length in naphthalene C10H8 between the typical single C-C bond length and the typical C=C double bound length
A sample of pure (1 chloroethyl) benzene had a specific rotation of 87.2 degrees, while pure R 1 chloro-1-phenyl ethane has a specific rotation of -109 degrees. This sample was reacted with excess ammonia in diethyl ether at 0 c. The product mixtu..
Draw the skeletal structure of the major organic product when 2-deutero-2,3-dimethylcyclohexanol is treated with concentrated sulfuric acid under heated conditions
give the structural formula of the organic products formed (if any) when (a) ethanal and (b) propanone are treated with:
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