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Problem- Calculate the equilibrium distribution of Cu(II) species in a carbonate-bearing water at pH 8 where Cut = 5*10^-8 M and Ct = 2*10^-3 M
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natural uranium consists almost entirely of 238u. to operate a nuclear power reactor the fuel must be enriched in a
Determine the change (deltaT/deltaP) in the freezing point of ice with increasing pressure. the molar volume of water is 18.02 cm3 mol^-1 and the molar volume of ice is 19.63 cm3 mol^-1. The molar heat of fusion deltaHfus =6.009 *10^3J mol^-1
For the reaction N2O4(g) (equilibrium arrows) 2NO2(g), kp = 0.25 at a certain temperature. Calculate the equilibrium pressures of NO2(g) and N2SO4(g) if the initial pressures of the components when placed in an otherwise empty container are as f..
Consider the following reaction at equilibrium. What affect will adding more SO3 have on the system?
An unknown element has two naturally occurring isotopes. Isotope 1 has a mass of 120.0 amu and an abundance of 40%. Isotope 2 has a mass of 122.0 amu. What is the atomic mass of the element
What are the coeffiecients of potassuim iodide + lead (II) acetate - lead (II) iodide + potasium acetate when properly balanced
Liquid butane C4H10 , the fuel used in many disposable lighters, has delta Hfinal=-147.5 kj and a density of 0.579 g/ml . Use Hess's law to calculate the enthalpy of combustion in kJ/mol.
What is the vapor pressure of isopropanol at 200 C if its molar volume calculated by a first order virial expression
a cube made of Platinum has an edge length of 1.60 cm the density of pt is 21.45 g/cm^3 calculate the number of pt atoms in the cube
The osmotic pressure of blood plasma is 28 mm Hg at body temperature at body temperature, 303 K. The quantity of plasma proteins present has been measured to be about 60 g/L.
Explain what is meant by the discontinuous emission spectra of atoms (seen in flame tests or gas discharge tubes) and how the Bohr (Planetary) and Schrodinger (Quantum-Mechanical) model for electron structure explains these discontinuous spectra
What are the differences between physical structures of Sn(II) and Sn(IV) halides and what dictates those structural differences. Explain the melting point differences in the two compounds.
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