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Napthalene, C10H8, is added to benzene, C6H6, to form an ideal solution. The heat of fusion of naphalene is 149.0J/g. The normal melting point of napthalene is 353.05K. When the solution becomes saturated at 310k, we expect the mole fraction of napthalene in the saturated solution.
The wavelength of maximum absorbance is solvent dependent. in water, the wavelength of maximum absorbance is 453 nm.
The mass of a cube of iron is 324 g. Iron has a density of 7.87 g/cm3. What is the mass of a cube of lead that has the same dimensions?
A 335 mL container holds 0.146 g of Ne and an unknown amount of Ar at 35°C and a total pressure of 628 mmHg. Calculate the moles of Ar present.
Calculate the radius of an iridium atom, given that Ir has an FCC crystal structure, a density of 22.4 g/cm3, and an atomic weight
A reverse osmosis unit is to be used to concentrate the aqueous solution of metal complexes left over from a metal finishing operation. A pressure of 100 bar is exerted on the solution side of the membrane during concentration.
Suppose 5.00g of Ca is added to 50.0mL of 1.00M HCL. Determine the limiting reactant in this case and number of moles of calcium actually consumed.
Rank the following hydrogen atom transitions in order of increasing energy of light produced ( from lowest energy light produced to highest energy light produced).
For the concentration of hydroxyl radical of 7.5E06 molecules/cm3 and a carbon monoxide concentration of 18 ppm, calculate the rate of its reaction with atmospheric carbon monoxide at 11 degrees C.
The inner and outer surfaces a spherical shell with radii of 1cm and 2cm are 300C and 100C respectively .If the thermal conductivity of the shell is 2w/m.k,determine the heat transfear through the shell.
what is the theoretical yield of zinc iodide, if a 2.0-g sample of zinc was used with 6.5 grams of iodine
The double-replacement reaction below results in the formation of the precipitate lead chloride. Balance the equation and write the net ionic equation.
Estimate the temperature at which calcium carbonate is likely to decomp under 1atm of pressure. Reaction: CaCO3(s) -> CaO(s) + CO2 (g) For this rxn: dHstandard = 177.8 kJ and dS standard= 160.5 J/K (notice unit differences)
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