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The He I (21.22 eV) photoelectron spectrum of a molecule shows a series of equally spaced sharp peaks corresponding to photoelectron kinetic energies of 12.156, 12.295, 12.434, 12.573, and 12.712 eV. What is the vibrational frequency of the molecular ion (in wavenumbers)?
determine what is deltabr- deltat if deltabro3- deltat 0.018 ms express your answer in ms? the rate of change bro3-
how many millimeters of hno3aq are needed to react completely with a 0.2800 gram piece of copper wire according to
The half-life for a first order reaction at 550 oC is 85 sec. How long it would take for 23% of the reactant to decompose?
(a) Calculate the minimum voltage required to produce 1 mole of aluminum at this temperature. (b) If the actual voltage applied is exactly two times the ideal value, calculate the energy required to produce 2.33 kg of the metal.
Calculate the amount of n2 gas released(in liters) when the diver returns to the surface of the water where the partial pressure of N2 is 0.80 atm
The solvent for an organic reaction is prepared by mixing 70.0 mL of acetone (C3H6O) with 73.0 mL of ethyl acetate (C4H8O2). This mixture is stored at 25.0 degrees C.
This question about comparing elimination reaction of alkene with sodium methoxide and potassium tert-butoxide compare the results of the two E2 reactions you ran and discuss how using different bases affects the product composition
What is the pH of an aqueous solution with a hydrogen ion concentration of [H ] = 9.4 × 10-7 M?
consider the titration of 50.0 ml of a 0.100 m solution of the protonated form of alinine h2a ka1 4.6 x 10-3 ka2 2.0
The solubility of I2 (s) in .100 M KI solution at 25 degrees celcius is .05135 moles per liter. The .1 M NaN03 provides the same ionic environment as .1 M KI. From this information calculate the concentration of I3-, I-, I2 in the latter solution ..
What is the pressure in a gas container that is connected to an open end u tube manometer if the pressure of the atmosphere is 742 torr and the level of mercury in the arm
butanes c4h10 molar enthalpy of vaporization is 22.44 kjmol and its normal boiling point is -0.4 degrees c. a 250-ml
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