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Estimate the fugacity for each species in the following gases at 290 K and 800 bar: (a) Pure oxygen; (b) Pure nitrogen; (c) Oxygen and nitrogen in a 30% mol O2 and 70% mol N2 mixture using the Lewis-Randall rule, and (d) Oxygen and nitrogen mixture in part (c) using vander Waals equation of state.
if a 150 lbf person wants to bungee jump from a bridge that is 400 feet above the surface of a river and the bungee
A heat engine (HE) of 35 % thermal efficiency is used to drive a refrigerator having a COP of 4 , what is the heat input into the engine for each MJ removed from the cold body by the refrigerator? If this system is used as a heat pump, how many MJ of..
The 60-W fan of a central heating system is to circulate air through the ducts. The analysis of the flow shows that the fan needs to raise the pressure of air by 50 Pa. The fan is located in a horizontal flow section whose diameter is 30 cm at both t..
the 80-lb boy and 60-lb girl walk towards each other wit a constant speed on the 300-lb cart. if their velocities
Liquid oxygen (LOX) is being shipped through interstellar space in a spherical tank, constructed of several layers of material. The tank has an inner diameter of 5m, and the LOX is contained in a 15cm-thick shell of polycrystalline fused silicon diox..
a 1000 diameter steel tube with a .020 wall thickness supports a 350lb load in compression as shown. calculate the
Two control rods are attached at A to lever AB. Using trigonometry and knowing that force in the right-hand rod is F2=20 lb, determine a.) the required force F1 in the left-hand rod if the resultant R of the forces exerted by the rods on the le..
the ridigid cube in the sketcha 1.0m tall box with a relief vavle at the top is filled w air at 280k and 100kpa. the
according to data provided by motor trend the 2011 chevrolet silverado diesel hd is powered by an 8 cylinder diesel
The rocket car below is thrusting so that at constant thrust (force) , it reaches a velocity of 500 km/hr in 30 seconds. How much thrust is this (kN)? Determine the moment around the front axel M, while thrusting.
a common aluminum alloy al-2024 contains 4.4 wt. copper 1.5 wt. magnesium and 0.6 wt. manganese. the balance is
a 400 gallon cylindrical tank is filled with water. a valve is opened at the bottom of the tank. a five- gallon jug
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