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determine the maximum efficiency and open circuit voltage for the propaneoxygen fuel cell c3h8 5o2 rarr 3co2
repeat given problem for a propaneair fuel cell in which the propane is premixed with 200 theoretical air at a total
an inventor claims to have perfected a hydrogenoxygen fuel cell h2nbsp05o2 rarr h2ol that produces 300 mj per kgmole of
1 determine the open circuit internal entropy production rate per unit molar flow rate of co in the carbon
1 design a burner for a furnace that will produce 200 times 106nbspbtuh at 1500 degf choose the fuel flow rates airfuel
1 design a benchtop laboratory-scale facility to produce methanol from the reaction co 2h2 rarr chshyoh determine all
develop an interactive computer program that outputs the entropy production rate for any or a series of reactions of
1 saturated water vapor at 150degc enters an isentropic converging nozzle with a negligible velocity and exits at 0300
1 calculate the isentropic stagnation temperature and pressure on your hand as you hold it outside the window of an
if the speed of sound in saturated liquid water at 900degc is 1530 ms determine the isentropic compressibility alpha of
1 determine the mach number of a meteor traveling at 5000 ms through still air at 000degc2 determine the mach number of
1 a nozzle is to be designed to accelerate the flow of air from a mach number of 0100 to 100 determine the inlet to
argon escapes into the atmosphere at 0101325 mpa from a 100 m3 storage tank initially at 500 mpa and 250degc through a
1 air at 150 kpa 100degc enters a converging nozzle with a negligible velocity and is expanded isentropically until the
1 air enters a converging-diverging isentropic nozzle at 100 mpa and 500 k with a negligible velocity and is
a converging-diverging nozzle is attached to a compressed air reservoir at 100 mpa and 270degcthere are two positions
air at 0500 mpa and 210degc enters an isentropic convergingdiverging nozzle with a negligible velocity the exit to
a supersonic converging-diverging nozzle is to be designed to be attached to a standard machine shop air supply having
1 air enters a supersonic isentropic diffuser with a mach number of 300 a temperature of 000degc and a pressure of 100
an isentropic converging-diverging nozzle that reaches a mach number of 400 at the exit when the exit pressure is
1 acetylene at 500 psia 650degf is accelerated through a converging-diverging nozzle isentropically until it reaches an
steam at 800 psia 600degf expands through an uninsulated nozzle to a saturated vapor at 600 psia at a rate of 100 lbmh
1 determine the minimum throat diameter required for a nozzle to pass 0250 lbms of air from a stagnation state of 100
a tiny leak in a 100 m3nbspvacuum chamber causes the internal pressure to rise from 100 pa to 100 pa in 377 h when the
1 an initially evacuated 150 ft3 tank is to be isothermally filled with air to 500 psia and 700degf it is to be filled