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You are given a sample of metal and have been told that it has a BCC structure and atomic radius of 1.36Å . You've determined that the density is 10.22g/cc. What is the element?
Calculate [H+], pH, [OH-] and pOH in a solution in which lactic acid, HC3H5O3, concentration is 0.250 M and the lactate ion concentration is 0.125 M.
the solubility of sucrose common table sugar at 70 celsiusis 320 g100 g h2o.a.how much sucrose can dissolve in 200 g of
The heat energy required to melt 1.00 g of ice at 0 degrees C is 333J. If one ice cube has a mass of 62.0 g, and a tray contains 16 ice cubes, what quantity of energy is required to melt a tray of ice cubes to form liquid water at 0 degrees C
The laser in an audio cd player uses light with a wavelength of 7.80* 10^2nm. Calculate the frequency of the light.
when a sample of aqueous hydrochloric acid was neutralized with aqueous sodium hydroxide in a calorimeter the
What amount of energy is required to melt a 13.5 g piece of ice at 0oC to form liquid water at the same temperature of 0? The heat of fusion of water = 333 J/g , T he specific heat of H2O is approx. constant at 4.18 J/g x C.
Draw the three organic product and the one inorganic product of the following acid catalyzed dehydration reaction.
Analysis of a Pb(II) Unknown via Standard Addition - determination, the analyte together with Hg(II) is deposited via reduction to its elemental form at the working electrode by controlled potential electrolysis
A catalyst has a avoid fraction of 0.40, an internal surface area of 180 m2/g and a pellet density of 1.40 g/cm3. Estimate the effective diffusivity of thiophene with hydrogen
calculate the molality of c2h5oh in a water solution that is prepared by mixing 50.0ml of c2h5oh with 100.0 ml of h2o
what is the theoretical yieldwhat is the theoretical yield of sodium thiosulfate pentahydrate when 3.25 g of sulfur is
The compound MgI2 times XH2O is analyzed to determine the value of X. A 1.557-g sample of the compound is heated to remove all the water, 1.0254 g of MgI2 remains
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