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A solution of 0.01M acetic acid is found to have a PH of 3.63 . Calculate the Ka for the acid
Compute the thermal-equilibrium values of hole and electron concentrations while Considering a homogeneous gallium arsenide semiconductor at the given temperature of T = 300 K with Nd = 1016 cm-3 and Na = 0?
given the following substances, xenon, ammonia, iodine monochloride, and fluorine, and the following statements,
Which of the following is the correct value for (delta)Go' (delta G naught prime: standard free energy change) for an equilibrium reaction in which 2A + B = C + 3D? The equilibrium concentrations for all chemical species is as follows:
What is the enthalpy change corresponding to the melting of 2.5 moles of H2O? What is the system? What is the surrounding?
The reaction makes more lime at highertemperatures. The reaction goes to completion at 1200. The equilibrium lies far to the right at roomtemperature.
In an ethanol-chloroform solution in which the mole fraction of ethanol is 0.20, the total vapor pressure is 304.2 torr, and the mole fraction of ethanol in the vapor is 0.138. Calculate the activity coefficients of the ethanol and the chloroform.
What constant current (in amperes) is required to produce aluminum by the Hall-Heroult
A crystalline unit cell contains oxygen atoms on all edges of the cell and rhenium atoms on each corner. What is the formula for rhenium oxide
What wavelength, of light would be necessary to ionize an electron at the n = 3 state in a He+ cation
Show that the function si=x*e^(-ax^2) is an eigenfunction of the operator d^2/dx^2 - 4(a^2)(x^2). What is the eigenvalue.
What mass of Copper (II) Hydroxide precipiate is produced by the double displacement reaction in a solution of 2.67g of potassium hydroxide
the density of the fuel is 0.78 g/mL the initial temperature of the water is 25 degrees celcius and the standard enthalpy of formation is -224.4 kJ/mol
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