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In a hydrogenlike atom in the 1s state, there is a difference between the average distance r between the electron and the nuckeus and the most probable distance between the electron and the nucleus. (a) derive the expression for the average distance r between the electron and the nucleus. (b) derive the expression for the most probable distance rmp
Calculate the composition of the exhaust gases in kg/hr and calculate the percentage of benzene that is partially combusted.
Its titrated with NaOH. Being a triprotic and having 3 acid dissociation constants Ka1, Ka2, Ka3 one would expect to see three equivalence points. Why does it only show two equivalence points
How many moles of nitroglycerin and how many moles of gas(air, assume no nitroglycerin vapors present)were in the container originally?
If 2.50 g of glucose (C6H12O6) are dissolved in 1.00 x 102 mL of solution, calculate the molarity of the glucose solution.
A volume of 725 mL of a gas is collected at 105 degrees C and 746 torr. The gas sample weighs 1.92 grams. what is the gas.
How many atoms of carbon are present in 73 g of a compound that is 83.3% carbon, by weight?
If there's a mixture of O2 and N2, and the mol of N2 is 0.605 mol, and fraction (f) of O2 is 0.251; then, what is the mol of O2?
Find the equilibrium partial pressures of ALL species if at the start of the reaction PCO = 2.69 atm and PCOBr2 = 2.05 atm. Round your answers to three significant figures. CO(g) + Br2(g) ? COBr2(g)
Draw the structure of the peptide WRCFQ. Show the ionization state that would be the major form at pH 7. (Note: this question addresses your knowledge of the one or three letter codes for amino acids,
Molecular solid can be pictured as the collection of independent harmonic oscillators. (a) Starting with the expression for the partition function derive an expression for the vibrational heat capacity
what is the energy of a single UV photon and a mole of UV photons having a wavelength of 25 nm?
6NO2+2H2O=4(HNO3)+2NO. For this equation, how many grams of nitrogen dioxide are needed to react with 3.70mol of H2O? How many grams of nitrogen monoxide are produced when 2.18mol of H2O react?
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