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Determine the enthalpy of vaporizaton of species:
You wish to determine the enthalpy of vaporizaton of species A. You are able to find the following data: Species A has a normal boiling point of 207.3 K and at 20.0 atm, it boils at 301.5 K. The following equation of state is reported:
with a = 25 K. As best as you can estimate ?vaph . State any assumptions that you make.
You need to find the enthalpy of sublimation of solid A at 300 K. The following equilibrium vapor pressure measurements have been made on pure A: (1) at 250 K, the pressure is 0.258 bar and (2) at 350 K, the pressure is 2.00 bar. The following heat capacity data are known:
A. Calculate the enthalpy of sublimation, assuming ?hsub is constant.
B. Calculate the enthalpy of sublimation, accounting for the temperature variation of ?hsub .
C. Estimate the error in the constant T assumption.
A single-phase transformer has 2000 turns on the primary and 800 turns on the secondary. Its no-load current is 5A at a power factor of 0.20 lagging. Assuming the volt drop
what is screw jack
A ray of light falls on a glass slab of refractive index u.if the reflected and refracted rays are mutually perpendicular to each other,find the angle of incidence. Ans) let i b
Q. Derive an expression for the intensity distribution due to Fraunhofer's diffraction at a single slit and shows that the intensity of the first subsidiary maxima is about 4.5 p
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determination of refractive index
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Define Ohm's Law Ohm's Law: Relationship among the potential difference across an electric device and the current that runs by it. V= I.R
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