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If the solubility of calcium phosphate is 3.41*10^-5 g/l. How many liters of water are required to dissolve 1g of calcium phosphate
what is the minimum amount of 6.0 M H2SO4 neccessary to produce 23.5 g of H2(g) according to the following reaction? 2Al(s) +3H2SO4(aq) --> Al2(SO4)3(aq) + 3H2(g)
determine the expression for the rate of the reation in terms of the change in concetration of each of the reatants and products.
Explain why the H-H distances determined for coordinated dihydrogen by X-ray diffraction are always significantly shorter than those
Octane ratings are assigned to gasoline mixtures based on their ability to prevent knocking relative to isooctane. Estimate the energy released during the combustion of 1.00 mol of pure isooctane.
A gas is compressed in a cylinder from a volume of 20 L to 2.0 L by a constant pressure of 10 atm. Calculate the amount of work done on the system.
if the height of the mercury column in the leveling bulb is 20 mm greater than that in the gas buret and the atmospheric pressure is 650 mm, what is the pressure of the gas trapped in the buret?
What is mass percent (%w/w) of H2SO4 in this solution? (b) Would the mass percent (%w/w) of H2SO4 change with changes in temperature? Explain.
Write an equation for the formation of an aqueous solution
How much energy in kilojoules is required to convert 260 mL of water at its boiling point from liquid to vapor?
A growth factor for cells was identified from extracts of rat brain. Preliminary characterization was done on this activity using several methods.
In the diels-alder reaction of cyclopentadiene and maleicanhydride what are the two side reactions of cyclopenadiene
Which os the dollowing statements is correct concerning the equivalence point in a titration of a weak acid (HA) by a strong base? The pH is less than 7 because HA is a weak acid
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