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A manganese complex formed from a solution containing potassium bromide and oxalate ion is purified and analyzed. It contains 10.0% Mn 28.6%, potassium 8.8%, carbon, and 29.2% bromine by mass. The remainder of the compound is oxygen. An aqueous solution of the complex has about the same electrical conductivity as an equimolar solution of K4[Fe(CN)6]. Write the formula of the compound, using brackets to denote the manganese and its coordination sphere.
State balanced chemical equations for the reactions of the subsequent three metals with sulfuric acid, H2SO4. Underneath each reaction, State in order, (i) the group number of the metal element in the periodic table
Explain what are the benefits and drawbacks as well as why have we gone away from using diethyl ether in this country. Do not comprise nitrous oxide in this discussion
a physics student wants to cool a glass of diet cola mostly water initially at 27degc byadding ice initially at
Assume that you use 1.00 mL of 2-chloro-2-methylpropane (t-BuCl). Calculate the following quantities: (a) the number of moles of t-BuCl used.
a gas balloon has a volume of 106.0 liters when the temperture is 45 clesuis and the pressure is 740.0 mm of mercury.
the dissolution of nh4clo4 in water is endothermic with change of h33.5kjmol. if you prepare a 1.00m solution of
It is produced natrually from degradation of organic matter, and also anthropogenically from fuel combustion.) The acid dissociation constant, Ka for formic acid is 10-3.7. Assume T=4*C and I=0.
Draw all of the stereoisomers that result when (E)-but-2-ene is hydrogenated with D2 over a metal catalyst.
an aqueous cacl2 solution has a vapor pressure of 83.0 mmhg at 50 degrees celsius. the vapor pressure of pure water at
Problem- The pKb values for bibasic base B are pKb1= 2.10 and pkB2= 7.39, calculate the pH at the flowing points in titration of 50.0mL of a .55M B with .55M HCl.
Using the van der Waals equation, calculate the pressure of 14.0 g of N2 in a 0.600 L container at 27.0 °C. The van der Waals constants
Gaseous butane will react with gaseous oxygen to produce gaseous carbon dioxide and gaseous water . Suppose 49. g of butane is mixed with 150. g of oxygen. Calculate the maximum mass of water that could be produced by the chemical reaction.
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