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The following steady-state concentrations and permeabilities are given for a membrane. Note that A+ is not permeable
a) Find the Nernst potential for Cl.
(b) What is the resting potential predicted by the Goldman equation?
(c) Explain whether space charge neutrality is satisfied.
(d) Explain why the equilibrium membrane potential does not equal zero.
(e) Explain why the resting potential does not equal the Nernst potential of any of the ions
The reactor initially contains one mole of ethanol and nothing else. The reaction is run at 550 °C and 2 bar until equilibrium is reached. What is the mole fraction of species at equilibrium?
Derive Eq. (49) for the optimum economic pipe diameter and compare this to the equivalent expression presented as Eq. (5-90) in J. H. Perry and C. H. Chilton, ed., "Chemical Engineers' Handbook," 5th ed., p. 5-32, McGraw-Hill Book Company, New Yor..
Write the balanced formula, complete ionic, and net ionic equations for the reactions that occur when the following are mixed. a. potassium hydroxide (aqueous) and nitric acid
The air-film coefficient at the outside of the insulation may be assumed constant at 2.0 Btu/(h)(ft2)(°F) for all insulation thicknesses
Are small banks like Yolo Bank more or less likely to engage in off-balance sheet activities compared with large banks like BOA? Explain why or why not.How have banks managed to get around reserve requirements and regulation Q?
Calculate the average mechanical torque needed to turn the coil and generate power for the resistor. Identify the action of the device as that of a motor or a generator.
We have a mixture consistingof 90 mole% 'A' (45 mol/lit) and 10 mole%impurity 'B'(5 mol/lit). To be satisfactory quality the ratio of 'A' to 'B' in the mixture must be 100 to 1or higher.
Estimate the number-average molecular weight that is required to give a tensile strength of195MPa.
How long must the tube be made if the outlet oil temperature is 60 C? The Nusselt number for oil side is 5.56. F. water side.
An insulated cylinder fitted with a weightless latched piston contains steam at 5 bar, 300 °C. The piston is unlatched and the steam expands against ambient air at P = 1 bar. The temperature of steam in the final state is 142 °C. Determine the ene..
Find infinite series converge and which diverge - You mix the vessels thoroughly so that each vessel contains a mixture of oil and vinegar. This caper is then repeated any number of times.
The tank is heated slowly in such a way that the temperature in both parts rises at the same rate. As soon as the alarm goes off, the heating stops. Which alarm goes off, that of part A or part B?
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