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Nickel metal is plated as an underplating on steel surfaces that are to be chrome or gold plated. The nickel metal in a rinse bath following the nickel plating process is found to contain both nickel ion (Ni2+) and calcium ion (Ca2+) at 0.02 M. A) Can the concentration of nickel ion be reduced to 1.0 x 10-5 M by precipitation of the nickel ion as nickel hydroxide without precipitating the calcium ion as calcium hydroxide? The Ksp of calcium hydroxide is 6.5x10-6 and the Ksp of nickel(II) hydroxide is 6x10-13
Balance the following half-reaction in base, using smallest whole number coefficients. What is the coefficient for OH- in the balanced equation?
If an analytical method has been developed and the retention time for a particular anabolic steroid has been determined, how might you use this method to determine the possibility of the use of anabolic steroids by an athlete.
A student obtained Product C [the only product] from an aldol condensation reaction between Reactant A and Reactant B. -Reactant A gave the following results in an elemental analysis experiment: C - 85.66% and H - 6.71%. Determine the structures o..
considering the given equation cs co2g-2cog this is the hetrogenous equilibruim processthe total pressure of the system
what is the likely magnitude of the equilibrium constant K? Hydrogen is used as a rocket fuel because it is very light and reacts explosively and completely with oxygen. For the combustion reaction
How high will a hot air balloon rise if the temperature inside is maintained at 330 K? Assume that the ambient temperature is 300 K. Assume that the pressure inside and outside are the same, but the density inside is reduced by heating
Write the equation of the cell reaction and indicate cathode and anode half-cells for the electrochemical cell formed from a Mg/Mg^2+ half-cell and In/In^3+ half-cell.
For a solution of hexane (C6H14) and chloroform (CHCI3), would you expect it with respect to Raoult's law to be relatively ideal, to show a positive deviation, or to show a negative deviation
Explain the Reaction, If you treat an aldehyde wiith HCN you produce a cyanohydrin. For example
When the mixture is ignited, gases are produced and 815 J of energy is released. To what volume will the gases expand against a constant pressure of 635 mmHg, if all the energy released is converted to work to push the piston?
Why would we obtain the same equation of state for linear molecules and non-linear molecules ( that is, taking rotations and vibrations into account
Calculate the pH and the pOH of an aqueous solution that is 0.035 M in HCl(aq) and 0.095 M in HBr(aq) at 25°C.
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