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Sulfate becomes bound to four Al(CH3)3 fragments in the dianion [Al4(CH3)12SO4]^-2. Using the bond angles and lengths as a guide decide if the Al(CH3)3 groups alter the SO4^2- group significantly upon formation of the [Al4(CH3)12SO4]^-2 product. Explain.
with what volume of 5.0M HF will 7.4 g of calcium hydroxide react completely, according to the reaction 2HF + Ca(OH)2 --> CaF2 + 2H2O
0.25 g of sodium hydroxide (NaOH) pellets are dissolved in water to make 8.0 L of solution. What is the ph of this solution?
A solution contains a mixture of pentane and hexane at room temperature. The solution has a vapor pressure of 268 {rm torr}. Pure pentane and hexane have vapor pressures of 425 {rm torr} and 151 {rm torr}, respectively, at room temperature. What i..
An element has an atomic number of 114 and an atomic mass of 285. How many protons, neutrons, and electrons does a neutral atom of this element have
What do you think might happen during the solvent migration up the paper if the two long edges of the filter paper overlapped when folded
the pressure of a sample of gas at 10.0 c increases from 700. mm hg to 900. mm hg. what is the new
The spectrophotometer is to be set at 447nm. What experiment could you do, what data would you collect
What volume of 5.00 M solution (in mL) of calcium nitrate is needed to prepare 500.0 mL of a 0.250 M solution of calcium nitrate
The entropy change of the universe for any spontaneous process is always positive The equilibrium constant is always greater than one for an extensive reaction
At what pH would the given concentrations of Ce4+ (1.67*10^-4), Ce3+ (.185), Mn2+ (1.28x10^-5) and MnO4- (.148) be in equilibrium at 298 K. Chemical equation is 5Ce4+ + Mn2+ 4H2O => 5Ce3+ + MnO4- + 8H+. And E standard is .193V
What data would you plot in order to use the Nernst equation to determine the concentration of an unknown solution of ions?
consider 1.00 l of air in a patients lungs at 37.0 c and 1.00 atm pressure. what volume would this air occupy if it
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