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Problem- A 0.130-mole quantity of NiCl2 is added to a liter of 1.20 M NH3 solution.
1) What is the concentration of Ni2 ions at equilibrium? Assume the formation constant* of Ni(NH3)6^2+ is 5.5 × 10^8.
Describe the answer
How much dry solute would you take to prepare each of the following solutions from the dry solute and the solvent?
Explain An aqueous solution containing barium iodide (BaI2) is electrolyzed in a cell containing inert electrodes and the products at the anode and cathode are
Two students weighed a 125-ml beaker that had a mass of 80.562g on a calibrated top-loading balance. Each student used their own top-loading balance, recorded three mass readings for the beaker
how many of the following combination of reactants would result in a chemical reaction being observed. Aditition of liquid bromine to an aqueous solution of NaCl Aditition of liquid bromine to an aqueous solution of NaI Bubbling chlorine gas
Assuming that the heat capacities don't change with temperature, how much energy in kilojoules is needed to heat 5.25g of Hg from a temperature of -59.5C to 43.0C
for the reaction represented by the equation cl2 + 2kbr 2kcl +br2 how many moles of potassium chloride are produced from 119 g of potassium bromide?
One side of the membrane representing 1/3 of the tank is filled with nitrogen ( may be assumed to be an ideal gas) at 4.1 bar and 315.6 K. The other side of the membrane is evacuated. The membrane ruptures and the gas fills the entire tank. Heat c..
Find the ?H for the reaction below, given the following reactions and subsequent ?H values: Zn(s) + 1/8S8(s) + 2O2(g) ? ZnSO4(s) Zn(s) + 1/8S8(s) ? ZnS(s)
A yellow line in the sodium emission spectrum has a wavelength of 589 nm. Calculate the frequency of that line. How do I solve this
Determine a set of proteins that have masses of 15, 22, 50 and 75 KDa. Utilizing the diagram below decide which of the subsequent gel percentages would be most suitable for this experiment and justify your choice
Diffussion controlled electrolysis proceeds on (a) planar and (b) spherical electrode under the conditions: n = 1, C = 1 mM, A= 0.04 cm^2, D = 1.5x10^-5 cm^2/s.
Draw the structure of the organic product formed in the reaction of m - cresol with sodium hydroxide
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