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A solution is made that is 1.2×10-3M inZn(NO3)2 and 0.170M inNH3.After the solution reaches equilibrium, what concentration ofZn2+(aq) remains?
Bond length is the distance between the centers of two bonded atoms. On the potential energy curve, the bond length is the internuclear distance between the two atoms when the potential energy of the system reaches its lowest value.
What concentration of the salt NaC2H3O2 must be added to shift the equilibrium toward the reactants so that the [H3O+] concentration is reduced to pH = 5.5
The concentration of iodine in sea water is 60 parts per billion by mass. If one presume that the iodine exists in the form of iodide anions, define what is the molarity of iodide in sea water. The density of sea water is 1.025 g/mL
Having determined the correct stereo chemical structure of dibromocholestrol, propose a mechanism for its formation. Did the bromine molecule approach the double bond from the top (C10 methyl side) or bottom?propose an experiment which might prove wh..
Calculate the potential of the cell. Indicate whether the reaction will proceed spontaneously in the direction considered (oxidation on the left, reduction on the right) or an external voltage source is needed to force this reaction to occur
Calculate the enthalpy change for the reaction in kJ/mol HCL. For this problem, assume that the calorimeter loses only a negligible quantity of heat, the total volume of the solution is 100 ml, the density of the solution is 1.0 g/ml, and its spec..
6M NH3, a basic solution, cannot be found on the reagent shelf, but 6 M NaOH, also a base, is available. What would be observed if the 6 M NaOH is substituted for the 6 M NH3 in testing the reference solution. Explain
What is the mechanism of addition of chlorine to ethene. Sustitution of chlorine in benzene
Question- Consider two cells, the first with Al and Ag electrodes, and the second with Zn and Ni electrodes, each in appropriate 1.00 M solutions of their ions.
Calculate the boiling point of a solution formed by dissolving 1.45 grams of napthalene, C10H8, in 7.85 grams of cyclohexane, C6H12.
Which compound requires a higher energy photon to cause a p to p* (HOMO/LUMO) transition,
How many silicon atoms are there in 1 cm3 of material. Suppose you dope that 1cm3 sample of silicon with 1ppm of phosphorus that will increase the conductivity by a factor of a million. How many milligrams of phosphorus are required
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