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An moles of an ideal gas A ad (1-n) moles of an ideal gas B, each at 1 atm pressure, are mixed at total constant pressure. What ratio of A to B in the mixture maximizes the decrease in the Gibbs free energy of the system? If the decrease in the Gibbs free energy is delta G^M, to what value must the pressure be increased in order to increase the Gibbs free energy of the gas mixture by (deltaG^M)/2?
a horizontal wire of length 0.57 m carrying a current of 6.9 a is placed in a uniform external magnetic field. when the
Freshwater is impounded to a height of 11 ft behind a dam as shown. Determine the magnitude and location of the resiltant force on the 4-ft by 4-ft gate.
how condenser can increase the power developed? and what is back pressure how it will effect the plant efficiency and
3-21m for the flud power automobile lift system of figure 3-35 the air pressure equals 550 kpa gage. if the hydraulic
an equimolar mixture of n2 and o2 is heated to 2100 k at 1 atm which generates no. calculate the molar values of the
Argon gas initially at 140 kPa, 10C is contained in a cylinder fitted with a piston. The initial volume of the gas is 0.2m^3. The gas is now compressed in a poly tropic process, PV^(1.4)=constant, to a final pressure of 700 kPa assuming ideal gas beh..
a normal shock wave exists in mach 2 stream of air having temperature and pressure of 45degf and 30 psia respectively.
a 1200 lb wrecking ball with a velocity of 4 fts at the bottom of its arc strikes a wall and comes to rest in a
air contained in a piston-cylinder assembly contains air initially at 2 bar 300 k and a volume of 2 m3. the air
two kilograms of water execute a carnot power cycle. during the isothermal expansion the water is heated until it is a
The velocity profile for a fully developed laminar flow in a circular tube can be described using u = umax [1 – (r/R)2]. Obtain an expression for the shear force per unit volume in the x direction for this flow.
The turbine of a large gas turbine engine receives gas from the combustion chamber at 5 MPa, 900C and 110m/s. At the turbine outlet, gas exits at 100kPa, 140C with a velocity of 60m/s. If the power output from the turbine is 5000kW, what is the mass ..
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