Calculate the kw/h of work per kg-mol of hydrogen

Assignment Help Mechanical Engineering
Reference no: EM131231133

A hydrogen/oxygen fuel cell operates with a voltage of 0.7 V with water vapor production. Calculate the kW/h of work per kg-mol of hydrogen and determine the cell efficiency.

Reference no: EM131231133

Questions Cloud

Design a battery electric storage system for a power plant : Design a battery electric storage system for a power plant with 20 MW peak power delivery for a duration of 4 h and estimate the minimum number of batteries and the current during peak operation. Assume that the plant will use 600 A/h batteries, o..
Explain the organizing idea or issue in leadership model : MNG03217 ASSESSMENT - REFLECTIVE ESSAY.  Explain the main organizing idea or issue in your leadership model? E.G. credibility, vision, traits, relationships, etc. Describe what you consider to be the most important traits, skills and tasks of an effe..
Difference in? behavior flexibility and? personality change : Leaders can be more effective if they adapt their behavior to the desires of particular circumstances. Is adjustment or adaptability valuable in a? leader? What is the difference between? "behavior flexibility" and? "personality change?" To determine..
Briefly describe business etiquette and customs : Emphasize the importance of knowing business etiquette and customs of other countries. - briefly describe business etiquette and customs.
Calculate the kw/h of work per kg-mol of hydrogen : A hydrogen/oxygen fuel cell operates with a voltage of 0.7 V with water vapor production. Calculate the kW/h of work per kg-mol of hydrogen and determine the cell efficiency.
Estimate the amount of heat that can be stored overnight : The other is to use a Glauber salt, which undergoes a phase change at approximately 30°C with a heat of fusion of 329 kJ/L. In both instances, a heat exchanger will be necessary in order to meet building code. Discuss the advantages and disadvanta..
Crowd management plan : You are the facility manager for the site of an upcoming major professional sporting event and have received indications that there could be violence between the rival teams’ fans. On the “Crowd Management Plan” page of your group wiki, develop a 1- ..
Estimate the flow rates of hydrogen and oxygen : A neighborhood fuel cell power plant is to be designed for an electric power output of 2000 kW with liquid-water product. Estimate the flow rates of hydrogen and oxygen during peak power production, assuming an 80% efficient power conditioner is u..
Risk categories might be included in the project plan : What kinds of risk categories might be included in the project plan? How might people plan for risks that they cannot identify in the risk management section of the project plan? If there's any references please provide them.

Reviews

Write a Review

Mechanical Engineering Questions & Answers

  A compressed air cylinder initially contains air at 25ordmc

a compressed air cylinder initially contains air at 25ordmc and 100 kpa. the volume of the cylinder is 0.01021 m3. the

  Show that he is wrong by calculating the ratio of times

assume that the heat treatment supervisor in charge of processing the some gears is on an economy program directed

  Air in a piston-cylinder assembly undergoes a process from

air in a piston-cylinder assembly undergoes a process from state 1 where t1 300 k p1 100 kpa to state 2 where t2500 k

  Steam enters a urbine at 25 mpa 550c and exits at 5 mpa

steam enters a urbine at 25 mpa 550c and exits at 5 mpa 325c at a flow rate of 70 kgs. determine the total power output

  A heat pump has a coefficient of performance of 2 using a

a heat pump has a coefficient of performance of 2 using a power input of 2 kw. its low temperature is to and the high

  Determine the rate of heat loss from the steam pipe

Taking the temperature of the surrounding surfaces to be 20°C also, determine the rate of heat loss from the steam pipe.

  A dump truck is shown in the figure the loaded container

a dump truck is shown in the figure. the loaded container has a mass of 8000 kg and may be modelled as a solid

  Obtain the continuity equation in cylindrical coordinates

obtain the continuity equation in cylindrical coordinates by expanding the vector form in cylindrical coordinates. to

  Heat exchanger required to achieve the desired heating

A counter-flow double pipe heat exchanger is heat water from 20 degrees Celsius to 80 degrees Celsius at the rate of 1.2 kg/s. The heating is to be accomplished by geothermal water available at 160 degrees Celsius at a mass flow rate of 2 kg/s.

  Compute a stationary spot price equilibrium

Compute a stationary spot price equilibrium, (x0 , x1, P , r , G, T), with r = P = 1. Check that tax payments equal the interest on the government debt.

  Determine the operating pressure inside the cooker

A pressure cooker has a volume of 5 L and an operating temperature of 120 C. Initially, 99% of the mass is filled with liquid water and the rest with vapor. Heat is supplied at a rate of 1.5 kW.

  Determine the mobility of the charge carriers

If a Germanium wafer, which is uniformly doped with Gallium to a concentration of 5.55? 10^23 (m^3)^-1, has an electrical conductivity of 17,000 (?m)^-1 determine the mobility of the charge carriers in (m^2 / (V sec)). (Recall each gallium atom will ..

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd