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1)For the reaction Cu(s) + 2 Fe3+(aq) <-> Cu2+(aq) + 2 Fe2+(aq), the equilibrium constant is Kc = 3.7×10^14 at 25 oC. Suppose that excess Cu(s) is added to 1.0 L of 0.015 mol L^-1 Fe(NO3)3(aq), with no change in volume. What is the equilibrium concentration of Fe3+? Justify any approximations you make.
Find the pH of a 0.15 M solution of ammonia, NH3. Kb = 1.8*10^-5
How many independent linear combinations are possible for four 1s orbitals? (b) Draw pictures of the linear combinations of H1s orbitals for a hypothetical linear H4 molecule.
The addition of barium nitrate solution, followed by dilute hydrochloric acid, to a solution of sodium dichromate.
An object has a mass of 5.95g. Assuming the density of water is 1 g/mL, what is the volume of the object including air?
if 25.0 mL of 0.125 M HCl is neutralized by exactly 14.8 mL of NaOH, what is the concentration of the base?
a sample of a binary compound of boron and chlorine weighing 2.842 g occupies .153 L. this sample is decomposed to give 0.664 g solid boron and enough gaseous chlorine to occupy .688 L at the same temperature and pressure. determine the molecular ..
One molecular form of elemental sulfur is a ring of eight sulfur is a ring of eight sulfur atoms. As one molecule of this element is burned to make sulfur trioxide, how many oxygen molecules are used?
Consider the following equilibrium reaction that has achieved a state of dynamic equilibrium. In a 3.00 L container, the following amounts were determined at 400ºC: 0.0420 mole N2, 0.516 mole H2 and 0.0357 mole NH3. Determine the value of Kc
what is the molarity of a potassium permanganate solution if 25.0 ml of it reacts with 10.0 ml of .0100 M sodium sulfite under acidic condictions.
A copper zincs voltaic cell is constructed using 100 ml solutions if 1 M solutions of copper sulfate and zincs sulfate with a sodium sulfate salt Bruges.
Grignard reagent and carbonyl-containing compound. Suppose scheme one involves the reaction of the Grignard reagent containing more carbon atoms with the carbonyl compound containing less carbon atoms and scheme two involves the reaction of the Gr..
Calculated what is the pressure exerted by the tweezers on the floor at the moment of impact
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