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A gaseous mixture consists of 75 % methane and 25 % ethane by mass. One million cubic feet of this mixture is trapped in a geological formation as natural gas at 300 degrees Fahrenheit and 2000 psia. This natural gas is pumped 6000 ft to the surface. At the surface, the gas pressure is 20 psia and its temperature is 200 degrees fahrenheit. Using Kay's rule and the enthalpy-departure charts, calculate the work required to pump this gas.
a rigid tank contains an ideal gas at 40u2070c that is being stirred by a paddle wheel. the paddle wheel does 200 kj of
Assume they test null hypothesis H0: versus H1: Will the engineers decide to use the steel if H0 is rejected? Will the engineers decide to use the steel if H0 is not rejected?
the efficiency of counter flow heat exchanger is given byrtco-tcithi-tciwheretcocold water outlet temperaturetcicold
a cold water pipe temperature is inside a room of 75 f if the cold water temperature in the pipe is 50 f. what is the
suppose air as an ideal gas satisfying the thermodynamic version of bernouillis equation flows down a pipe of radius r.
a heat pump cycle operates between a geothemial reservoir and your house. the cycle requires 200 kw to operate with a
a piston-cylinder assembly contains air initially at 2 bar and 300 k and occupying a volume of 2 m3. the air undergoes
air is contained in a vertical piston-cylinder assembly by a piston of mass 50 kg and having a face area of 0.01 m2.
the system is released from rest with no slack in the cable and with the spring stretched 100 mm. determine the
a refrigerator uses refrigerant-134a as the working fluid and operates on an ideal vapor-compression cycle between 0.12
refrigerant 134a at 700 kpa and 40oc is expanded adiabatically in a closed system to 60 kpa. determine the work
A state runs a lottery in which 6 numbers are randomly selected from 40, without replacement. A player chooses 6 numbers before the state's sample is selected.
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