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For NaCl, the ionic radii for Na+ and Cl- ions are 0.102 and 0.181 nm, respectively. If an externally applied electric field produces a 5% expansion of the lattice, compute the dipole moment for each Na+-Cl- pair. Assume that this material is completely unpolarized in the absence of an electric field.
Calculate the work done in the isothermal reversible expansion of one mole of CH4 (g) from 1.00 dm3 to 10.00 dm3 at 300 K. Treat methane as a van der Waals gas. The van der Waals gas constants for methane are: a=2.3026 dm6⋅bar⋅mol−2 and b=0.043067 dm..
Equal rates of mass transfer for the production of the fine chemical are required. This is often required for certain types of organic synthesis.
5. A patient is placed on a kidney dialysis unit three times a week. The dialyzer has a membrane area of 1 m2 and is operated in a countercurrent mode. The blood flow rate is 200 ml/min and the dialysate flow rate is 500 ml/min. Membrane permeability..
Propane in the feed to the unit and 80% of the pentane fed to the unit. The mole fraction of butane in the distillate is yB ? 0.4 . The bottom stream contains all of the hexane fed to the unit. Calculate the distillate and bottoms streams flow rate a..
The diagrams above show four Bode plots of uncompensated and compensated performance for a particular control system. Which diagram shows the effects of adding phase-lag compensation?
Empirical correlation/model for onset of flooding in gas-liquid flow in horizontal pipe MatLab
question 1a what are the four significant physical parameters that you would use to assess the thermal comfort of
Compute the mean and variance for each of the following activities: Activit y A B C D E F G H I J Optimisti c 5 3 18 9 8 1 45 12 7 22 Pessimisti c 10 21 32 11 8 10 95 15 11 80 Most Likely 7 15 25 10 8 6 60 13 9 60
upon responding to a 200 a.m. domestic transportation mishap your hazmat team determines that a liquefied compressed
What mass of ethylene glycol, HOCH2CH2OH, must be dissolved in 4.510 kg of water to result in a freezing point of 18.0°C? What is the boiling point of the same solution?
Find the air fuel ratio for stoichiometric combustion of Butane by volume. Calculate the percentage of carbon dioxide present in the DRY flue gas if 30% excess air is used
Why does the dielectric constant of water drop as a function of temperature?
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