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Compute the values of (x^3) and (x^4) for a harmonic oscillator by using the relations
Calculate the amount of energy released by the freezing of 13.3 g of a liquid substance, given that the substance has a molar mass of 82.9 g/mol and a molar heat of fusion of 4.60 kj/mol.
What is the mole fraction of ethanol in a solution made by dissolving 14.6 g of ethanol in 53.6 g of water?
In a particular photoelectron spectrum using 21.21 eV photons, electrons were ejected with kinetic energies of 11.01 eV, 8.23 eV, and 5.22 eV. Sketch the molecular orbital energy level diagram for the species,
A quantity of 6.882g of and organic compound is dissolved in water to make 276.0 mL of solution. The solution has an osmotic pressure of 1.43 atm at 27 degree celsius. The analysis of this compound shows that it contains 41.8% C, 4.7% H, 37.3 % O ..
The volume of a sample of pure HCl gas was 121 ml at 27 celsius and 167 mmHg. It was completely dissolved in about 50 ml of water and titrated with an NaOH solution; 24.3ml of the NaOH solution was required to neutralize the HCL.
What volume of glacial aceic acid (18M) and what weight of sodium acetate trihyddrate(CH3COONa.3H20) are required to make 100 ml of .2 M buffer at pH 4.5 (pKa of acetic acid is 4.74). please explain steps in detail and use units in asnwer
a spoon was silver plated electrolytically in a silver nitrate solution. if 0.750 grams of silver was deposited on the
if you used 8900 kilojoules you expend in energy in one day to heat 49000g of water at 19 C what would be the rise in temperature.
Use the above simulation results for methane in pure water, combined with the Widom theorem to predict the Gibbs energy of solvation of methane in pure water and compare your result with methane's experimental hydration Gibbs energy of 8.4 kJ/mol?
Based on this data, what can you predict about the average atomic mass of vitellium?
Bond angles in molecular model TeF5^- a) some less than 90 degrees and some less than 120 degrees but greater than 90 degrees b) 90 degrees and 120 degrees c) some less than 90 degrees and some less than 180 degrees but greater
20.0ml of 0.150M Zn(NO3)2 are mixed with 20.0ml of 1.00 x10-4M Na2S. Calculate the amount of milligrams of ZnS (s) that will precipitate. (Ksp = 1.6 x10-24)
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