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(A) How many grams of solid Pb(IO3)2 can be dissolved in 950.0 mL of a 0.01 M Pb(NO3)2 solution?
(B) How many g of solid Pb(IO3)2 can be dissolved in 950mL of pure water if the Ksp= 3.5E-13?
The enthalpy of neutralization of HCl with NaOH is -55.8 kJ/mol when very dilute solutions are mixed, but is -58.2 kJ/mol when 2M solutions are mixed, as in this experiment. The reaction is
what is the net ionic equation to show the formation of a precipitate (insoluble salt) when the following solutions are mixed. write none if no insoluble salt forms. a)AgNo3(aq) + Na2SO4(aq). b)KCl(aq) + Pb(NO3)2(aq). c)CaCl2(aq) + (NH4)3PO4(aq). ..
which one of the following cell combinations would best be used to set up a cell with a potential of 0.50v by
What will the rate of the reaction be with the catalyst when [A] = 0.0547 M at 323 K? Assume that the Arrhenius factor for this reaction has been determined to be 0.729 M-1s-1.
A sample of gas in a balloon has an initial temperature of 41 degree celsius and a volume of 1770 L . If the temperature changes to 96 degrees celsius, and there is no change of pressure or amount of gas, what is the new volume,V2 ,of the gas
Since the blades of ice skates are very thin, the pressure exerted by a skater can be quite large. Referring to the phase diagrams for carbon dioxide and water, explain whether a rink can be constructed using dry ice (solid carbon dioxide).
At 50 degree's Celsius the vapor pressure for methanol and ethanol are 406 and 222 torr, respectively. Given a mixture at 50 degree's Celsius that contains 0.2 mol of methanol and 0.1 mol of ethanol, compute the partial pressures of each liquid an..
for ammonia, Kb is 1.8*10^-5, to make a buffered solution with pH of 10.0, the ratio of [NH4+] to [NH3] must be
A compound contains 10.13% C, and 89.87% Cl (by mass). Determine both the empirical formula and the molecular formula of the compound given that the molar mass is 236g/mol
A gas of unknown molecular mass was allowed to effuse through a small opening under constant-pressure conditions. It required 67 s for 1.0 L of the gas to effuse. Under identical experimental conditions it required 24 s for 1.0 L of O2 gas to effu..
Assume each of the following: the fuel has an average formula of C7H16; 15% of the heat generated from combustion goes to heat the water (the rest is lost to the surroundings); the density of the fuel is 0.78 g/mL; the initial temperature of the w..
Describe the development of the modern periodic table. Include contributions made by Lavoisier, Newlands, Mendeleev, and Moseley.
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