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A certain first-order reaction (A-->product) has a rate constant of 3.90×10-3 s-1 at 45C . How many minutes does it take for the concentration of the reactant,(A) to drop to 6.25% of the original concentration?
A 9.767-g gaseous mixture contains ethane (C2H6) and propane (C3H8). Complete combustion to form carbon dioxide and water requires 1.120 mol of oxygen.
If you wanted to prepare a solution of CO in water at 25C in which the CO concentration was 1.8 mM, what pressure of CO would you need to use
For AuCl, Ksp = 2.0 x 10-13 at 25°C. What is the solubility of AuCl at this temperature?
Write the mass balance equation and charge balance equation for a solution that is 0.1 M FeCl3 and 0.2 M FeCl2
Calculate the concentrations of all species in a 0.225 M solution of phenylammonium chloride, C6H5NH3Cl.
What is the equilibrium concentration of N2 in water when the pressure of N2 above the solution
The mole fraction of benzene in the solution is 0.590. Assumeing ideal behavior, calculate the mole fraction of toluene in the vapor above the solution.
Assuming the waste heat of the engine provides all the heat necessary to melt the iceberg, how much work can this do?
Starting with the standard free energies of formation from the following table, calculate the values of delta G and E cell of the following reactions.
determine if a redox reaction would occur if you were to mix them in a single solution. For those pairs of substances that would not react, calculate the EOCELL of the unfavored reaction between the two substances.
What is the hydronium ion concentration of a solution with an hydroxyl ion concentration of 1.8 x 10^-10 M? D) What is the hydronium ion concentration of a solution with an hydronium ion concentration of 5.13 x 10 ^-9 M?
The mixture is cooled to the temperature of liquid nitrogen at which ammonia freezes out and the remaining gas is removed from the vessel. Upon warming the vessel to 0.00°C and one atm, the volume is 98.7 cm3
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