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Write a balanced net ionic equation for the reaction of each of the following compounds with water.
How much MnO2 should be added to excess HCl to obtain 275mL of chlorine gas at 5.0C and 650 mmHg?
The question arises concerning the density of saltwater: is it because water molecules have moved out of the system, replaced by sodium and chlorine ions.
Each row across the periodic table is called a period and the elements gradually change properties from left to right.
Determine the number of moles and percent by weight of sodium perborate and sodium carbonate in a given sample of Purex.
Write and balance the equation for the disproportionation of sulfite (SO32-) into sulfate and sulfide ions in basic solution.
Rank the following species from the strongest reducing agent to the strongest oxidizing agent: SO42-, SO32-, O3SO2SO32-.
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?