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An air-tight room is filled with air. The room is divided into two sections by a barrier. One side of the room has a volume of 1000 ft3, a temperature of 70°F, and a pressure of 1 atm. The other side of the room has a mass of 100 lbm of air, with a pressure of 3 atm and a temperature of 110°F. The divider is removed and the room is allowed to reach equilibrium. What temperature and pressure does the room have after equilibrium is reached?
The block is a cube that is 300mm on each side. Assume the block is incredibly tall. At steady state, what is the velocity of the block?
the 3m company removes benzene from synthetic resin-based sandpaper by passing the sandpaper product through a dryer in
a 30-cm-diameter 5-m-long steam pipe passes through a room where the air temperature is 20 c. if the exposed surface of
An ideal vapor-compression refrigeration system operates at steady state with Refrigerant 134a as the working fluid. Superheated vapor enters the compressor at 30 lbf/in2, 20F, and saturated liquid leaves the condenser at 140 lbf/in2. The refriger..
an engine uses methanol ch3oh as a fuel with 300 excess air. air enters the engine at 1 bar and 25 c and is mixed with
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find the complete initial and final states t p v h u and sdeg for the following ideal gas process air at 260 f and 15
air initially at 150 kpa 500k and occupying a volume of .02m3 undergoes two processes. first the air undergoes a
a cylindrical rod with a diameter of 25mm is subjected to a torque of 500n?m and axial tensile force of 40kn.i draw a
the atmospheric pressure at a location is usually specified at standard conditions but it changes with the weather
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