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What relationship exists between the electron structure of a Group A ion and the electron structure of the nearest noble gas?
Why do boron, carbon and silicon not form simple ions? How do they satisfy their electron requirements?
140 mL of a .175 M aqueous solution of NH3 is titrated with a .106 M solution of HCl. (NH4+ Ka=5.56x10^-10)
hematite iron ore weighting 70.7g was placed in a flask whos volume was 53.2ml. the flask with hematite was carefully
At a certain temperature, Kp = 1.42 for the reaction PCl5 PCl3 + Cl2. Calculate the equilibrium partial pressures and the total pressure if the initial partial pressures are PpCl5= 2.88 atm , PpCl3 = 1.98 atm , and PCl2 = 1.42 atm.
The average atomic mass recorded on the periodic table for cobalt is 58.933 u. This indicates that the most abundant isotope of cobalt is. A newly discovered element, X, has two naturally occurring isotopes. 93.5 percent of the sample is an isotop..
At 900 K the following reaction has Kp = 0.345. 2 SO2(g) + O2(g) 2 SO3(g) In an equilibrium mixture the partial pressures of SO2 and O2 are 0.165 atm and 0.755 atm, respectively.
Steam is send to aturbine to generate power. Steam at 50 0C with a quality of 0.9 leaves the turbine which iscondensed in a condenser to re-send the combustion chamber.
if the pure vapor pressures of benzenec6h6 and toluenec7h8 are pben94.6 torr andptot 29.1 torr what are the mole
Draw the fat molecule whose components are glycerol and butanoic acid. You may omit hydrogen atoms.
Diagram the oxidation reaction (using expanded structural formula) of butane. Name the product
Draw the structures of each of the following compounds. Determine the number of chirality centers, indicating them in each structures. Also calculate the number of possible stereoisomers for the compound.
how many moles of solute are present in 700ml of 0.230M SrBr2
Aerosol cans carry clear warnings against incineration because of the high pressures that can develop upon heating. Suppose that a can contains a residual amount of gas at a pressure of 765mmHg and a temperature of 20?C.
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