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A mixture of gases expands at constant pressure from 1 MPa, 0.03 m3 to0.06 m3 with 84 kJ positive heat transfer. There is no work other thanthat done on a piston. Find DE for the gaseous mixture.(Ans. 54 kJ)The same mixture expands through the same state path while a stirringdevice does 21 kJ of work on the system. Find ? E, W, and Q for theprocess.
List the quantum numbers for each electron in the ground state of nitrogen and calculate the magnitude of the angular momentum of an electron in the n = 4, I = 3 state of hydrogen.
1. Determine the volume change, in ft3, when 1 lb of water, initially saturated liquid, is heated to saturated vapor while pressure remains constant at 1.0, 14.7, 100, and 500, each in lbf/in.2 Comment. 2. For H2O, determine the specified property..
figure 2 gives a pictorial view of a slotted guide. draw the following views in third angle ltbrgtprojection. ltbrgta a
Assume that 2 cfs of oil (viscosity 0.16P and specific weight of 54 lb/ft3) is pumped through a 12 inch pipeline of cast iron. If each pump produces 80 psi, how far apart can they be placed?
you are manufacturing a frame for a vehicle out of some aluminum alloy 6061-t451 tubing. the frame is to be welded
1.tensile tests were done on a steel bar an aluminum bar and a plastic bar. the bars all had a diameter of 0.505
One kilogram of water contained in a piston-cylinder assembly, initially at 1608C, 150 kPa, undergoes an isothermal compression process to saturated liquid. For the process, W 5
Specify the proper fail-safe action for the valves in the following services. Please explain your reasons. A flammable solvent is heated by steam in a heat exchanger. The valve manipulates the flow of the steam to the exchanger
a spring on the incline ramp it tells u.... angle30 spring constant k2000 the distance it moves up the ramp after
a piston cylinder device contains 0.25 kg of air initially at 1.8 mpa and 360 degc. the air is first expanded
Problem 1: A projectile is launched at point A with initial velocity 120 m/s and initial angle 40o as shown. In addition to the gravity, the wind exerts a horizontal acceleration of 2 m/s2 to the left on the projectile. Determine the flight time fo..
a sample of 10 capacitors was placed on test for 2000 hours. at the end of this period five capacitors had
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