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Predict the magnetic susceptibilities (para- or diamagnetic) and determine the number of unpaired electrons of each of the following complexes (consider C2O42- and H2O as strong field ligands which cause a large splitting of the d-orbitals).
K3[Cr(C2O4)3] * 3H2O
K2[Cu(C2O4)2] * 3H2O
K3[Fe(C2O4)3] * 3H2O
K3[Al(C2O4)3] * 3H2O
How many grams of H2 are needed to react with 3.10 g N2?
Which statement best desrcibes the energy change as bonds are formed and broken in this reaction ?
Some of the cyclohexane solvent vaporized during the temperature versus time measurement. Will this loss of cyclohexane result in its freezing point being recorded as too high
A solution has a volume of 2.0 L and contains 36.0 g of glucose. If the molar mass of glucose is 180 g/mol, what is the molarity of the solution
How would you distinguish between the following compounds? State what you would do and what you would see. (lab associated witht his question used Jones, Lucas, Iodoform tests)
Draw and exlpain using representation of molecular orbitals the structure and bonding found in ethane; indicate clearly the structure
An oil bath maintained at 50.5oC loses heat to its surroundings at the rate of 4.68 kJ/min. Its temperature is maintained by an electrically heated coil with a resistance of 60 operated from a 110 V line.
Draw the structure of the compound that is consistent with the 1H NMR data below. (Assume that long-range coupling is not observed.)
An electric power station annually burns 3.3 107 kg of coal containing 2.4 percent sulfur by mass. Calculate the volume of SO2 emitted at STP.
Find the amount of thermal energy produced in kilojoules when 18.9 g of water is heated from 16°C to 98.0°C.
A solution containing potassium bromide is mixed with one containing lead acetate to form a solution that is 0.013M in KBr and 0.0035 M in Pb (C2H3O2)2.
Calculate the [CH3CO2H] ionized in solution for 0.1M acetic acid knowing that ph= 2.9 [H+]= 1.26 x 10^-3 M , [OH-]= 7.94 x 10^-12 M
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