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The mass to use in the expression for the vibration frequency of a diatomic molecule is the effective mass μ =mAmB/(mA+mB), where mA and mB are the masses of the individual atoms.
Demonstrate that the wave function for the 2-dimensional rigid rotor (i.e. particle on a ring) is an Eigen function of the Lˆz and Hamiltonian operators.
Determine the energies of the first four rotational levels of 1H127I free to rotate in the three dimensions, using for its moment of inertia I=μR2, with μ=mHmI / (mH+mI) and R=160pm.
Determine the numbers of electrons must be removed from B_2_ to make it is electronic with Li_2_ so that it might be used in the warp drive?
Determine the types of intermolecular forces that exist within each of the substances, and make a comment relating those forces to the vapor pressure and time of evaporation.
Determine the numbers of liters of hydrogen gas are collected over the water at the 28°C and 725 mmHg when the 0.85 g lithium reacts with water? Aqueous lithium hydroxide also produces.
Determine the energy emitted if one mole of strontium ions undergo the transition at 687 nm. The bright-red color of highway safety flares comes from strontium ions in salts such as Sr(NO3)2 an
O is oxidized according to the equation, 2CO (g) + O2 (g). Determine the resulting total of volume of gas after the reaction has gone to completion if 2 L of CO(g) are mixed with 2 L of O2(g).
Determine the number of moles of Ag in 5 mL of 0.004 M AgNO3and the number of moles of CrO4 in 5mL of 0.0024 M K2CrO4 If 10 mL of .004 M AgNO3 is added to 10 mL of .0024 M K2CrO4, is either Ag or C
Hdmg represents the monoaniondim ethylglyoximate, HON=C(CH3)C(CH3)=NO- Which of the two isomers, Co(Hdmg)2(SCN) py or Co(Hdmg)2(NCS)py, would you calculate to be thermodynamically the most stable?
Determine the equilibrium constant for the following reaction, HCOOH(aq) + OH- <-> HCOO-(aq) +H2O(l) using a table showing Ka for acids and Kb
A "rule of thumb" in the chemical kinetics states that for many reactions the rate of the reaction approximately doubles for a temperature rise of 10 degrees Celsius. Calculate the activation energ
Calculate its freezing point, boiling point at 1 atm, and osmotic pressure when an aqueous solution is 16% glucose by mass (d=1.062 g/mLat 20 ?).
Determine the maximum useful work (kJ) that can be performed on the surroundings from the production of 3.5 moles of CH3COOH (l) for the same reaction.
Assume that 0.524 g of Mg is reacted with the 60.o ml of 1.0 M H+(aq). Suppose that the density of the H+ (aq) solution os 1.00 g/ml, and that it's specific heat capacity equals that of water.
Investments will pay $230 at end of each for next 3 years, $590 at end of four years; $825 at end of five years; $910 at the end of six years. If other investments earn 14.94% annually, determine th
Given is the molar heat capacity in J/K per mole which is75.3J/mol*K, Determine the specific heat of H2O in the unit of J/K per g.
Determine the molar heat of neutralization reaction (given as J/mol). Assume the volume of solution is composed of H2O only and the density of H2Ois 1.0g/mL.
Determine the concentrations of all species in this solution when a solution is prepared by adding the 50 mL of .050M HCl to 150 mL of 0.1 M HNO3.
Write down the stepwise reaction mechanisms for these two reactions. Triphenyl methanol can also be prepared by reacting ethyl benzoate with phenyl magnesium bromide and by reacting diethyl carbonat
Would an excess of dry ice be harmful? Exactly what weight of dry ice is needed to react with 2 mmol of phenyl magnesium bromide?
Write down the equations showing how this might be done and how the benzoic acid would be regenerated. The benzoic acid could have been extracted from the ether layer using sodium bicarbonate soluti
Determine number of pitchers which she must produce and price that she must charge to maximize profit, and determine the maximum profit.
A liquid phase reaction A--->B is carried out in a 1000-gal CSTR that has a single impeller located halfway down the reactor. The expected value for conversion (X) is 0.5, but the measured value
Determine the enthalpy of hydration (KJ) of 0.310 moles of CsOH when the lattice energy of CsOH (s) is -724 kJ/mol, and the enthalpy of solution is -72 kJ/mol.