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The solubility products of PbSO4 and SrSO4 are 6.3 * 10^-7 and 3.2 * 10^-7, respectively. What are the values of [ SO4 2-], [Pb 2+], and [Sr 2+] in a solution at equilibrium with both substances
which indicator is more accurate phenopthalein or methyl orange? why
Consider the unbalanced equation above. A sample of impure mercury(II) oxide is heated and the HgO decomposed completely. If 580. mL of O2 is collected by displacement of water at a barometric pressure of 790.0 mm Hg and 25.0°C,
Write a balanced net ionic equation for the reaction of KMnO4 with the saturated solution of CdC2O4 in diluted H2SO4. The major products are Mn2+ and CO1
The freezing-point depression of a 0.100 m (molality) MgSO4 solution is 0.225 degrees Celsius. Determine the experimental van't Hoff
The reaction vessel is charged initially with SO3(g) and NO(g), each at a partial pressure of 0.500 atm. In the space below, enter the equilibrium the partial pressure of SO2(g) in units of atm
Suppose that O1 and O2 are eigenfunctions of a linear operator A with eigenvalues a1 and a2, respectively, and that we construct a linear combination Y=C1O1 + C2O2
Describe the reaction as endothermic or exothermic, and reversible or irreversible. B) A reaction has Horxn = 5.0 kJ/mol and a forward activation energy, Ea = 55 kJ/mol. What is the activation energy for the reverse reaction?
a fuel oil is composed of C10H22 and C12H26 when the fuel oil ios burned with 20% excess air the ratio of water to CO2 is found to be 1.088.
Calculate the entropy change for each of the following reactions. Justify why these are physically reasonable answers.
The following pictures represent the progress of a reaction in which two A molecules combine to give a more complex molecule A2, 2A ? A2. What is the order of reaction with respect to A?
Draw resonanc contributors for the following species. Indicate which are major contributors and which are minor contributors to the resonance hybrid:
This is a fact that Bromine(Br) is larger than chlorine(Cl) but indication of equilibrium constant suggests that a bromo substituent has a less preference for the equatorial position than chloro substituent? Explain it briefly?
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