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Calculate the fraction of atom sites that are vacant for lead at its melting temperature of 327C (600K). Assume an energy for vacancy formation of 0.55 eV/atom
Use the modified form of the Clausius-Clapeyron equation to estimate the boiling point of water at 24.0 torr pressure
If a first-order reaction has a rate constant of 2.11x 10-1s-1 at a temperature of 22.3°C, what would the value of k be if the reaction temperature was changed to 65.7°C given
How many resonance structures are there for the cyclohepatrienyl cation? Draw them. Are carbon-carbon bonds equivalent?
Explain fructose solution with a concentration f 80mg/ml, but need to take 3.5L of fructose solution with a concentration of 300 mM.
Calculate Keq for 2 moles of electron(s) in each half-reaction and a standard potential of 0.12 V. Calculate Keq for 2 moles of electron(s) in each half-reaction and a standard potential of (-0.54) V.
Find the vapor pressure of a solution that contains 218 g glucose in 460.0 mL of water at 30 degrees Celcius.
The water sample is put into a Nebulizer attached to an ICP Spectrometer and the absorbance peak measured at the proper wavelength of lead. Standards are also analyzed to produce a calibration curve for comparison
Write a balance equations for both half-reactions for the redox. combine them to determine the overall balanced
Determine how many moles of each Na+ and Cl- are in 1.00L of the saline solution?
the density of aluminum is 2.70 g/cm3 and the density of chronium is 7.19 g/cm3. if equal masses of aluminum and chronium are trasnferred in equal volumes of water in separate graduate cylinders, which graduated cylinder would have the greatest vo..
Consider 2 Al + 6 HCl → 2 AlCl3 + 3 H2 , the reaction of Al with HCl to produce hydrogen gas. This reaction has a yield of 82.5 percent. How much HCl are needed to produce 14.0 L of H2 at 351 K and 1.11 atm ?
In a calorimeter, 10 g of ice absorbs heat with an enthalpy of fusion of 334 J/g. What is the heat absorbed.
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