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The energy levels of a Helium Ion, He+, may be calculated from the Bohr Theory using z = 2 for the atomic number, En = -1312.04 Z2/n2 or En=-5248.16/n2 (kJ mol-1) for n=1, 2,3,.... Calculate the first 4 energy levels of He+
Determine the arrangement of electron pairs about Se in the SeO2 molecule. What would you expect for the molecular geometry of the SeO2 molecule?
Calculate deltaS for this reaction at 200 ºC (again assume Cp is independent of temperature)
At a temperature of 425 0C and a pressure of 735 mmHg, how many grams of {NH_3} can be produced when 4.40 L of {NO_2} react.
Define the possibility of stereoisomers exists, However, the addition of bromine to an equimolar mixture of cis- and trans-2-butene generates only three stereoisomers. Explain.
How do you determine the charge of an electron when given the number of moles of electrons and the amount of electricity passed through the circuit?
Oxalic acid dihydrate is often used as primary standard for the standardiztion of base solutions. For a procedure comparable to this experiment, approximately how many grams of oxalic acid dihydrate should be used in order to have a volume of abou..
Calculate the equilibrium concentrations of H3O^+, A^-, and HA in a 0.040 M solution of the acid, along with the pH of the solution.
what are the differences in the type of inhibition caused by heat, acid or base, and heavy metal ions on enzyme activity?
A helium nucleus has two protons and two neutrons. How many electrons would it take to equal the mass
what is the wave length of the photon emitted? please show work, might be Bohr's formula.
Determine the magnesium content (in ppm) of a 100.00 mL sample of drinking water if the following data were obtained. Titrant is 0.0297 M EDTA, 13.71 mL
What is the rate of formation of carbon dioxide over the specified time period in this reaction
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