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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
Steam in a closed system is compressed by reversible isothermal process in a heat bath at 250 °C, starting from an initial pressure of 15 bar. During the process, the steam receives 400 kJ/kg of work. Determine the final state and the amount of he..
A3m3 tank is divided into two parts via a thermally insulated wall. One part has a volume of 2 m3 and contains a vapor-liquid mixture of steam, 7% liquid, at 5 bar. The other part contains steam at 10 bar, 500 °C. A valve is opened and allows th..
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 fluoride mixture is then enriched through a multistage diffusion process to produce a 3% 235U nuclear fuel. The diffusion process utilizes Graham's law of effusion (see Chapter 5, Section 5.7). Explain how Graham's law of effusion allows natur..
Choose an initial guess for reactor temperature and pressure within the range provided and simulate the process described - Determine a metric to quantify the reactor performance then use this parameter to optimize the reactor temperature and pressu..
Calculate the equilibrium conversion and the CSTR and PFR volumes necessary to achieve 98% of the equilibrium conversion and calculate the time to reach 90% conversion if the reactor is a batch reactor filled to the brim.
A 50-kW, 230-V compound generator has the following data: armature-circuit resistance 0.05 Ω, series-field circuit resistance 0.05 Ω, and shunt- field circuit resistance 125Ω.
Consider a 1-bit version of the digital comparator shown in Figure P6.1.41. Note that the operation of this circuit is such that whichever output is 1 gives the desired magnitude comparison.
A mixture containing 98 mol% methanol and 2 mol% of an inert contaminant is available as a feed to a formaldehyde plant. The fresh feed to a process consists of 1000 kmol/h of this mixture along with 200 kmol/h of oxygen. All of the oxygen is consume..
What information in the article indicates that it was peerreviewed?
If this alternator is to generate 60-Hz voltages, find the new synchronous speed, and calculate the new terminal voltage for the same field current.
HEAT TRANSFER PROBLEMS NO16- Water flowing in a steel pipe of diameter 0.02 m is to be cooled from 40 to 30 oc . The velocity of water in the steel pipe is 1.5 m/s .
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