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The excess Gibbs energy for binary systems consisting of liquids not too dissimilar in chemical nature is represented to a reasonable approximation by the equation: GE = Ax1 x 2 RT where A is positive and a function of temperature only. For such systems, it is often observed that the ratio of the vapor pressures of the pure species is nearly constant over a considerable temperature range. Let this ratio be r, and determine the range of values of A, expressed as a function of r, for which no azeotrope can exist. Assume the vapor phase to be an ideal gas.
what is the volume of HCl gas required to react with excess magnesium metal to produce 6.82 L of Hydrogen gas at 2.19 atm and 308 K?
Determine the concentration of a solution prepared by diluting 25.0 milliliters of a 12 molar HCl solution with H2O until the final volume is 2.50 x 10² milliliters.
A 47 kg sample of water absorbs 388 kj of heat. If the water was initially at 27.6 Celcius, what is its final temperature?
At the start of the experiment, both thermometers record the same temperature. Why does, after 10 min, thermometer B record a lower temperature than thermometer A?
What is the wavelength of a light ray if its frequency is 4.64 x 1014 s-1? answer in units of nanometers (nm).
Draw the major and minor resonance structure for the carbonate ion (CO3^-2). Include any formal charges, Indicate which are the major resonance structures and why.
if ammonia is obtained in 90% yield based on hydrogen, how many tons of hydrogen are necessary to produce 100 Mg of ammonia?
A buffer solution is prepared by dissolving 1.50g each of benzioc acid C6H5CO2H and sodium benzoate NaC6H5CO2 in 150.0mL of solution.
Write a nuclear reaction for the neutron-induced fission of U-235 to produce Te-137 and Zr-87? How many neutrons are produced
determine the rate law and rate constant for the gas-phase reaction of nitrogen monoxide and chlorine.
If 69.5 kJ of heat is applied to a 1038 g block of metal, the temperature of the metal increases by 11.4°C. Calculate the specific heat capacity of the metal in J/g°C.
Assume that a particular reaction evolves 243 kJ of heat and that 28 kJ of PV work is gained by the system....? 1) What are the values of delta E and delta H for the system? 2) What are the values of delta E and delta H for the surroundings?
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