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a. A compound with formula RuCl3 . 5H2O is dissolved in water,forming a solution that is approximately the same color as thesolid. Immediately after forming the solution, the addition ofexcess AgNO3 (aq) forms 2 mol of solid AgCl per mole of complex.Write the formula for the compound, showing which ligands arelikely to be present in the coordination sphere.
b. After a solution of RuCl3 . 5H2O has stood for about ayear, addition of AgNO3 (aq) precipitates 3 mol of AgCl per mole ofcomplex. What has happened in the ensuing time?
Determine the empirical formula of a compound containing 63.50% silver, 8.25% nitrogen, and the remainder oxygen. Where do you get the remainder oxygen number from
A metal has crystallized with a face-centered cubic lattice. The edge of the unit cell is 366 pm. What is the diameter of the metal atom?
The Ksp of AgCl is 1.6 x 10-10. What is the solubility of AgCl in 0.010 M AgNO3? Give your answer using scientific notation and to 2 significant figures
water from 20 degrees Celsius to 100 degrees Celsius. What is the delta H of combustion of the propane. What is the sign (positive or negative) of delta H?
Use the thermodynamic data in Appendix B to calculate the standard cell potential and the equilibrium constant at 25°C for the cell reaction in a direct methanol fuel cell
The density of lead is 11.4 g/cm3 at 25°C. Calculate the volume occupied by 25.0 g of lead.
the amount of energy necessary to initiate and sustain fusion on Earth is greater than the amount of energy produced in the fusion process. c. We cannot generate the magnetic fields necessary to initiate fusion events. d. It is too expensive to ge..
which gives the order for first ionization energies smallest to largest
Complete combustion of 4.80 g of a hydrocarbon produced 14.7 g of CO2 and 7.02 g of H2O. What is the empirical formula for the hydrocarbon?
Tetrahedral complexes of Co2+ are quite common. Use a d-orbital splitting diagram to rationalize the stability of Co2+ tetrahedral complex ions.
Consider the two gaseous equilibria- SO2(g) + 1/2O2(g) SO3(g) K1 2SO3(g) SO2(g) + O2(g) K2 The values of the equilibrium constants K1 and K2 are related
A solution made from 6.50 g of an unkown compound in 27.8 g of diphenyl has a molality of 0.195 m. Calculate the molar mass of the unknown
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