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Lead (II) sulfide reacts with hydrogen peroxide to form lead (II) sulfate and water. How many grams of hydrogen peroxide are needed to react completely with 265g of lead (II) sulfide?PbS + 4H2O2 --> PbSO4 + 4H2O
the pendulum shown to the left consists of a bob of mass of 0.35 kg attached to a string of lengthl 1.1 meters. it is
The compound Ca3(PO4)2 has a Ksp of 2.0 X 10-29. If the phosphate ion concentration is adjusted to a value of 2.5 X 10-2, what is the minimum Ca2+ concentration that will cause precipitation
Calculate delta A of reaction and delta G of reaction for the reaction C6H6 (l) + 15/2 O2 (g) --> 6CO2 (g) + 3H2O (l) at 298 K from the combustion enthalpy of benzene and the entropies of the reactants and products.
What is the mass of sodium ion circulating in the blood if the concentration of sodium ion in this individual is 0.135M.The average adult has a total blood volume of 5 liter.
Use VSEPR theory to describe the bonding in propene. Also, include bond angles in your explanation.
calculate the number of pounds of co2 released into the atmosphere when a 18.0-gallon tank of gasoline is burned in an
Sodium sulfate dissolves as follows: Na2SO4(s) → 2Na+(aq) + SO42- (aq). How many moles of Na2SO4 are required to make 1.0 L of solution in which the Na concentration is 0.10 M?
In our Ochem lab for nitration of bromobenzene we didn't further seperate the product mixture of 4-bromonitrobenzene and 2-bromonitrobenzene and yet we have to calculate the percent yield of the mixed product using percent distribution
write the corresponding hemicl reaction for the equilibrium between solid Ca3(PO4)2 and the Aq ions. what is the solubility of calcium phosphate
Explain why selectivity in isocratic HPLC system ideally should not depend on eluent composition. (Use thermodynamic derivation to support your explanation).
Based on a kc value of 0.210 and the given data table, what are the equilibrium concentrations of xy,x and ,y respectively
This product contains no chemicals." What does this really mean and how do you feel about "natural" vs "synthetic" products?
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