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Question: Complexes can be prepared in several mediums. Research the following complex preparations noting (naming) all reagents, conditions, reactants, products and drawing structures.
a) Substitution reactions in aqueous solution.(i) Cu(H20)42+ + 4NH3 ?(ii) [Co(NH3)5Cl]Cl2 + 3 en ?
b) Substitution reactions in non-aqueous solvent. Name all reactants and products(i) CrCl3 + 3en ?(ether)?(ii) [Cr(DMF)3Cl3 ]+ 2en ?(DMF)?
c) Reactions in absence of solvent and thermal dissociation of solid complexes. Name all reactants and products(i) NiCl2 + 6NH3(l) ?(ii) [Cu(H20)4]SO4 ?
d) Complete the Redox Reactions. Name all reactants and products(i) 4[Co(H2O)6]Cl2 + 4NH4Cl + 20NH3+ O2 ?(ii) [Co(EDTA)]2- + [Fe(CN)6]3- ?
e) Complete the Catalysis Reactions. Name all reactants and products(i) [Co(H2O)6]Cl2 ?(NH4Cl-charcoal, NH3-H2O-O2 ), HCl ?(ii) Trans[Pt(NH3)4]Cl2 + 2SCN- ? [Pt(NH3)4]2+ ?
boron has two stable isotopes with masses of 10.01294 u and 11.00931 u. the average molar mass of boron is 10.81 u.
A sample of nitrogen gas at a pressure of 698 mm Hg and a temperature of 86oC, occupies a volume of 14.4 liters. If the gas is heated at constant pressure to a temperature of 116 oC, what the volume of the gas sample will be in L.
The pressure on 0.600 mol of neon gas is increased from .825 atm to 2.00 atm at 100 degrees celsius. Assuming the gas to be ideal, calculate the change in entropy for this process
Many hunting dogs enjoy standing nose-to-nose with a skunk while barking furiously, oblivious to the skunk spray directed towards them. One moderately effective way of lessening the amount of odor is to wash the dog in a bath containing dilute hyd..
How many grams of amonnia are needed to react with 50.0 grams of potassium tetrachloroplatinate then calculate how many grams of cisplatin are formed from 50.0gm of potassium tetrachloroplatinate, if percent yield for the reaction is 75%.
Not enough sodium hydroxide was added, so the solution was still acidic when the beaker was heated to convert the copper(II) hydroxide to copper(II) oxide.
Equilibrium is established between Br-Br (l) and Br-Br (g) at 25 C. A 250.0mL sample of the vapor weighs 0.486g. Explain what is the vapor pressure of bromine 15 25.0 C, in mmHg.
A buffer is 0.282 M C6H5COOH (aq) and 0.282 M NA(C6H5COO)(aq). Calculate the pH after the addition of 0.150 moles of nitric acid to 1.0 L of the buffer.
Express all three concentrations in molarity. Additionally, express the concentrations of the ionic species in parts per million (ppm).
one vector has an x-component of 9 m a y-component of 10 m and a z component of 9 m. another vector has an x-component
A buffer solution contains 0.15 mol of propionic acid (C2H5COOH) and 0.28 mol of sodium propionate (C2H5COONa) in 1.50 L. 1.) What is the pH of this buffer?
Compute the mass of air in an air-filled tire and the also determine the mass of He in a helium-filled tire
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