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Calculate the solubility of silver bromate (AgBrO3), using activities, in a saturated solution of silver bromate. Ksp for Ag(BrO3) = 5.5 x 10-5
For the above current at 5.45 V, how much electrical energy (in kw-hr) is consumed in the production of 1 kg of aluminum. (A kW-hr is 3.6 x106 J.)
Assume the radius of a neutron to be approximately 1.0; times ;10^{ - 13} {rm cm}, and calculate the density of a neutron. [Hint: For a sphere V = (4/3)pi r^3.]
How many moles of oxygen are needed to produce 6 mol of Fe2O3 in the following unbalanced equation: Fe + O3 --> Fe2O3
A compound with molecular formula C5H11N has no ? bonds. Every carbon atom is connected to exactly two hydrogen atoms.
A weak acid, HA, has a Ka value of 3.86 x 10-9. What is the Kb of A-. Use E notation and 3 significant figures.
compatible combination was titrated with 0.1021M standardHCl. It took 20.97mL to reach the phenolphthalein end point and 42.00mL to reach the bromocresol greenend point.
When an aqueous solution suspected of containing Ba2+ or Pb2+ or both is mixed with sulfuric acid a precipitate forms. In another test, when the original solution is mixed with an aqueous solution of sodium sulfide no precipitate forms.
an aqueous solution has a vapor pressure of 84.0 at 50 . the vapor pressure of pure water at this temperature is 92.6 .
The molar solubility of MnCO3 is 4.2 x 10-6 M. What is Ksp for this compound?
You inherit a gold bar that measures 7.0 inches by 3.0 inches by 2.0 inches. How many ounces does the bar weigh?
Lewis Structure for a Nitrate Ion (NO3-1). Assign the formal charge for the central atom, Nitrogen. What is that formal charge
when ammonium nitrate explodes nitrogen steam and oxygen gas are produced. if the explosion is carried out by heating
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