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The trigonal bipyramidal composite [Fe(CO)4(PMe3)] exhibits a Raman spectrum with three strong absorptions at 2051 cm-1, 1967 cm-1 and 1911 cm-1. Given that the PMe3 ligand can coordinate to either an axial or equatorial site (a) Create a reducible representation for both possibilities utilizing the C-O bond vectors only ignore the methyl groups when determining the point group. (b) Explain what are the irreducible representations of these two RRs? (c) Based on your analysis above as well as considering the experimental spectrum which of these two geometries is most likely?
What is the formula of the zinc sulfate hydrate? name this compound
A quantity of gas under a pressure of 1.78 atm has a volume of 550 cm square. the pressure is increased 2.50atm while the pressure remains constant what is the new volume.
A 2.30 L sample of O2(g) was collected over a liquid at a total pressure of 785 torr and 25°C. When the O2(g) was dried (vapor of that liquid removed), the gas had a volume of 1.86 L at 25°C and 785 torr.
How many calories are needed to heat 45g of iron from 14 degrees celsius to 47 degrees celsius. (specific heat = 0.11 cal/g degrees celsius)
Compound A is C4H9Cl and shows two 13C NMR resonances. Compound B is an isomer of compound A; it shows four 13C NMR resonances, and in the spin-coupled mode the resonance farthest downfield is a doublet. Identify compound A
how much calcium carbonate caco3 should be left in an eggshell soaked in an acid of ph level of 3 ? ph 5? ph 7?nbspcan
why is the internal-standard method often used in plasma emission
How much ice (in grams) would have to melt to lower the temperature of 352 mL of water from 26 C to 4C? (Assume the density of water is 1.0 g/ml.)
What is the osmotic pressure associated with a 0.0200 M aqueous solution of a nonvolatile nonelectrolyte solute at 75C
A certain first-order reaction (A->product) has a rate constant of 7.50×10-3 at 45 . How many minutes does it take for the concentration of the reactant, , to drop to 6.25 of the original concentration?
The melting point of a pure compound is known to be 110-111°. Describe the melting behavior expected if this compound is contaminated with 5% of an impurity.
Calculate the change in heat when 17.25 g of water vapor (steam) at 100.0 degrees C condenses to liquid water and then cools to 10.00 degrees C
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