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Consider two metals: M and N. A strip of solid N is placed into 2mL of a 0.10 M M(NO3)2 solution. The solution changes from blue to green.
Six-coordinate CR(3) complexes of the type trans-(CrL4A2)n+, generally have magnetic moments consistent with three unpaired electrons.
Determine the oxidation state of the metal in each of the following complexes. Draw all linkage isomers and stereoisomers for each complex.
Expensive electronic equipment use gold-coated parts. Explain why this is based on chemical behavior.
How do you estimate the percentage covalent nature of different compounds using the Pauling's Electronegativity Scale?
Why were Japanese Americans singled out for special treatment? Why not German or Italian Americans?
In forming a chelate with a metal ion, a mixture of free EDTA (abbreviated Y^4-) and metal chelate (abbreviated MY^n-4) can buffer the free metal ion.
The 3dxy orbital has its high probability regions lying between the x and y axes. The 3dz2 orbital has its high probability regions mainly on the z axis.
Was Watergate an aberration (a rare occurrence among presidents), or do you see the entire episode as part of a larger pattern of abuse of presidential power?
A plot ofthe lattice energies for MClz salts for M : Ca to Znand a drawing of the rmit cell are shown to the right. In the elechostatic model.
Explain your opinion, with regard to at least one of the examinations of the major figures put on trial: Tituba, Sarah Good, Rebecca Nurse, Mary Easty.
Calculate the number of miligrams of each metal (Mn2+, Zn2+, and Mg 2+) in the 25.00 mL sample of unknown.
Discuss the 6 major groups of chemical reactions and provide an example and the general formula of each type.
Determine the point group for each of the following molecules, ions and objects. Draw a clear picture of each molecule.
Determine the point group for each of the following molecules and items. Draw a clear picture of each molecule or item and show.
Assume the internuclear axis is the y axis and the incoming atom has the same axis system as the atom with the fx(x2-3y2) orbital projection.
For each series of octahedral complexes, predict which will have the largest and which will have the smallest value for Do. Briefly explain your answers.
Do you think that your standard of living will be greater than that of your parents?
Three elements are listed below. How many electrons does each have in its outermost electron shell?
Nearly every compound of silicon has this element in the +4 oxidation state. In contrast, most compounds of lead have this element in the +2 oxidation state.
When chemists discuss the periodic nature of the elements they focus on mainly the 'representative elements'.
As the seed takes root it sprouts up and brings in a harvest that is tenfold or perhaps one hundred fold larger than the amount of seed sown.
Television has become a major source of entertainment, news, and other information, for several billion people worldwide.
On a national standardized test with a normal distribution of scores, a mean of 50, and a standard deviation of 3.2, a student's score is 1.2 standard deviation
Consider the placement of Na, K, Ca, Cu, Mg and Z on the periodic table. Does their placement reflect their physical properties? How?