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Given the following equilibrium containing Cobalt ions, answer the following questions. The chloride complex is blue, the hydrate complex is pink and mixtures of the 2 ions are purple. Starting with a tube of these 2 complexes in equilibrium with one another that is purple in color, describe what will be observed after the following manipulations.
\(Energy+Co(H_2O)_6^{2+}+4Cl^-<->CoCl_4^{2-}+6H_2O\)
a. HCl is added
b. AgNO3 is added
c. The mixture is placed on ice
d. The mixture is placed in a hot water bath
e. The mixture is diluted 2 fold with dd H2O
which cation will precipitate first. What minimum concentration of Na2SO4 is required to cause the precipitation of the cation that precipitates first
When you are trying to calculate molarity, what volume do you use? I have a final volume of NaOH and an initial Volume and volume of NaOH
A flask contains 0.110 mol of liquid bromine, Br2. Determine the number of bromine molecules present in the flask.
A solid object is made of two materials, one material having density of 2.4 g /cm3 and the other having density of 8.6 g/cm3. If the object contains un-equal masses of the materials (75/25), what is its average density
Identify the rate determining step, reaction intermediates and the experimental rate law (intermediates can not be in the rate law)
Determine the concentration of the HCL solution from the data for the standardization of the HCl with the Na2CO3 Na2CO3 had 0.0826 grams in 25ml of water Initial volume of HCl
Write a balanced (a) molecular, (b) overall ionic, and (c) net ionic equation for the reaction between an aqueous solution of phosphoric acid, H3PO4 (aq) , and an aqueous solution of sodium hydroxide. The products are sodium phosphate and water
How many moles of O2 are required for the complete combustion of 2.2 g of C3H8 to form CO2 and H2O?
Ions B and C react to form complex BC. If 20.0mL of 1.25M B is combined with 20.0mL of 1.25M C, 0.00650 mol of complex BC is formed. Determine the equilibrium constant for this reaction.
the hybridization of Carbon in this molecule? b) What would be its molecular shape? and c) What is the bond angle around the C atom?
From the restrictions on the three quantum numbers that define an orbital, which set of three quantum numbers listed below is forbidden:
Analytical molar concentrations of HA species 2) Equilibrium molar concentrations of HA species. Trichloroacetic acid (HA) is 73% ionized in water
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