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A turbin operates adiabatically and at steady state, with an ideal gas of constant cp as the working fluid. The inlet temperature and pressure are fixed at T1 and P1, and the exit pressure is fixed at P2. a) show that the minimum outlet temperatyre occurs when the turbine operates reversibly. Calculate this temperature. b) show that the maximum work that can be extracted occurs when the turbine operates reversibly.
A voltaic cell consists of a Zn/Zn^2 + half-cell and a Ni/Ni^2 +half-cell at 25C. The initial concentrations of Ni^2 + and Zn^2 + are 1.70 M and 0.100 M, respectively. What is the initial cell potential
A series LR circuit with L = 20 mH and R = 2.0 k? is connected to a potential source of amplitude 5.0 V and angular frequency 200 rad/s. find the voltage across the resistor and the inductor
what is the net energy yield for the anaerobic metabolism of glucose?
Which container has more gas molecules?
One of the problems of in-air testing of nuclear weapons (or, even worse, the use of such weapons!) is the danger of radioactive fallout. What percent of the original level of is left after 56 years
Can you determine which sentences are the premise's and what sentence is the conclusion ? Scientific beliefs differ from some religiouse beliefs in that it is part of the scientific method to test scientificific beliefs by repeatable experiments ..
Compound 8 has the formula C4H6Cl2O and is reacted with CH3OH to give compound 9. Compound 9 has the 1H NMR signals 2.1(quintet, .8), 2.5(triplet,.8), 3.6(triplet, .8), 3.7(singlet, 1.2). What is compound 9. What is compound 8. Draw structures and..
Half-life of C^14 is 5730 yr. Find its decay constant. If we have 4.8X10^14 atoms of C^14, after 10000yr. How many of them will be left
When 1.50 mol of of CH4 reacts with excess Cl2 at a constant pressure according o the chemical equation, CH4 + 3CL2 2 CHCl3 + 3H2, and 1062 kL of heat are released. Calculate the value of ?H? for this reaction. ?H=?
Why does, according to Saul’s book, standpoint theory work? (2 points) .Identify and briefly explain two problems with feminist standpoint theory
A 954 kg drag race car accelerates from rest to 113 km/h in 0.919 s. What average force is exerted on the car
A cube of unknown material which is 1 m on a side is observed to float in fresh water with 30% of the cube exposed above the water line. how much of the cube (in percent) is above the water line
questiona known toy consists of an aligned row of identical steel balls that are suspended bynbspmono?lament so they
question1the distance between an object and its image is fixed at 40.0 cm. a converging lens of focal length f 6.53 cm
question1two dogs pull horizontally on ropes attached to a post angle problem 1 between the ropes is 60.0 degrees. if
q1. a spaceship travels with a constant speed of 0.3c as it passes by the earth on its way to a distant star.a. the
question1a single-turn square loop of side is centered on the axis of a long solenoid. in addition plane of the square
A horizontal force of magnitude F = 149 N is used to push a box of mass m = 5 kg from rest a distance d = 13 m up a frictionless incline with a slope q = 22°. How fast is the box moving after this displacement
q1. two long parallel wires x and y separated by distance of 5 cm in air carry currents of 20 a and 70 a
A circular loop of wire of radius 0.50 m is in a uniform magnetic field of 0.30 T. The current in the loop is 2.0 A. What is the magnetic torque when the plane of the loop is perpendicular to the magnetic field
When a woman who is 2 m tall stands near a flagpole, the shadow of her head and the shadow of the top of the flagpole are superimposed, Find the height of the flagpole
The value of the magnetic field for a certain type of electromagnetic wave is 2.12 ?T. What is the value of the electric field for that wave
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