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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
entropies of atom combination to determine if any of the following reactions have an equilibrium constant greater than 1. Find the reaction with the greatest equilibrium constant. Find the reaction with the smallest equilibrium constant.
Oxalate ion, which can be abbreviated ox2-, is a ligand for Cu2+, forming the complex ion Cu(ox)22-. The formation constant for this ion is 3.0 x 108. The solubility of Cu(OH)2 is enhanced in the presence of oxalate
when 3-hydroxycyclobutanone is treated with mid base, 1,3,5-triacetybenzene is formed in 50% yield.
How many moles of hydrofluoric acid (ka=6.8e-4) must be added to 500 ml of .10M sodium fluoride to give a buffer of pH 3.20
Given the reaction 4Al(s) + 3O2(g) --> 2Al2O3(s), what is the minimum number of moles of oxygen gas required to produce 1.00 mole of aluminum oxide?
A gas was enclosed in a rigid-walled container. The initial temperature and pressure were 52°C and 0.55 atm, respectively. If the final pressure were 2.41 atm.
For a particular reaction, Delta H = -30kJ and Delta S = -92J/K . Assume that Delta H and Delta S do not vary with temperature. Part A. At what temperature will the reaction have Delta G = 0
Draw a structural formula of the R configuration of the compound shown below. Illustrate the stereochemistry about the chiral carbon using the "single up" (solid wedge) and "single down" (hashed-line wedge) bond tools. Show explicitly the bonds to..
Calculate the molality, molarity, and mole fraction of FeCl3 in a 23.6 mass % aqueous solution (d = 1.222 g/mL).
an activation energy of 43.6 kJ/mol, what will be the rate constant for this reaction at 75oC?
Calculate the pressure of the sample of gas trapped in the open-tube mercury manometer, if the atmospheric pressure is 746 mmHg and h=8.9 cm
Ten seconds after the big bang the Universe was composed of only protons, neutrons, electrons, neutrinos, antineutrinos and photons. Write a brief account of the processes since this point that have directly led to the production of the heavy elem..
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