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Iron exhibits three common oxidation states, as seen in Fe, Fe2+, and Fe3+. Write electron configuarations for each of these species using the noble gas abbreviations and determine the n and l quantum numbers of the electron that is removed in going from Fe2+ to Fe3+.
the density of iron is 7.874 g/cm^3 at 300K. If iron forms a body-centered cubic lattice, what is the radius of an iron atom?
Element 107 was made by bombarding Bismuth-209 with Chromium-54. One product is a neutron, what is the balanced equation?
50.00ml of BiO3- is titrated with 26.43ml 0.02982M Fe2+. What is the molar concentration of BiO3-? How many mg of NaBiO3 were in the 50.00ml sample? [BiO3-] = _______________ M mNaBiO3 = _______________ mg
What is the ultraviolet catastrophe? Explain why it was predicted and why this prediction
At 72.0%u2218C , what is the maximum value of the reaction quotient, Q, needed to produce a non-negative E value for the reaction
Calculate the maximum number of grams of phosphorus trichloride that could be formed from 44.1 grams P subscribe 4.
A proton in a linear accelerator has a de Broglie wavelength of 127 pm. what is the speed of the proton?
a 6.0-g sample of [Ni(H2O)6]Cl2 is dissolved in aqueous solution. If an excess of ethylenediamine (en) is added to the solution, solid [Ni(en)3]Cl2*2H2O forms. What is the theoretical yield of product from the reaction?
Pinacol (2,3-dimethyl 2,3-butanediol) gives a mixture of pinacolone (3,3-dimethyl-2-butanone) and 2,3-dimethyl 1,3-butadiene by treating with acid.
The osmotic pressure of this solution was 0.00178 atm at 25 C. Calculate the molar mass of hemoglobin, which is a molecular compound and a nonelectrolyte
Calculate the volume occupied by 1.00 mol N2 using the van der Waals equation in the form of a virial expansion at its Boyle temperature. Assume that the pressure is 10 atm throughout.
initially the temperature is 97.3 degrees celsius. At this temperature the partial pressure of water is 745 mm Hg (torr). What is the % by mass of aniline in the distillate?
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