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1. Gaseous propane (C3H8) at 77°F, 1 atm enters a reactor operating at steady state and burns with the theoretical amount of air entering separately at 240°F, 1 atm. An equilibrium mixture of CO2, CO, H2O(g) O2, and N2 exits at 3140°F, 1 atm. Determine the heat transfer between the reactor and its surroundings, in Btu per lbmol of propane entering. Neglect kinetic and potential energy effects.
2. One kmol of CO2 in a piston-cylinder assembly, initially at temperature T and 1 atm, is heated at constant pressure until a final state is attained consisting of an equilibrium mixture of CO2, CO, and O2 in which the amount of CO2 present is 0.422 kmol. Determine the heat transfer and the work, each in kJ, ifT is (a) 298 K, (b) 400 K.
a hole in an aluminum roof panel is 2.748 cm2 in area at 0.000degc. what is the magnitude of the change to its area
a force of 3 n stretches a spring by 1 m. a mass of 4 kg is attached to the spring. at t0 thenbspmass is pulled down a
an air plane with constant altitude and velocity is being detected by a radar. the radar keep computing the distance d
a bending test is used on an experimental cemented carbide material. based on previous testing of the material its
Find the equations for the trajectories for Case WB (a > 0.0 0. a2 > 40) and Case IVC (α >0. β> 0. α2 = 4β). Are the straight lines indicated in class trajectories? What are the equations describing them
If m = 5, as is typical of creep at the low temperatures used for stress relieving, σ o = 5000 psi, E = 10 × 106 psi, and C = 6 × 10-22(psi)-5/h at the annealing temperature, how long would it take for the stress to drop to 2500 psi?
a vortex tube is used to separate an ideal gas at 10 bar and 375 k such that half the gas is collected in a cool stream
Determine the entropy generation during the process on the basis of 1 mole of ethane.
air flows in a channel whose velocity at 3 neighbouring points ab and c which are 10 cm apart are shown in the
How long wi1l it take for the mid plane temperature to achieve 50% of its maximum possible temperature reduction?
500kg of air at 35 degrees Celsius dry-bulb and 20 degrees Celsius wet-bulb temperatures is cooled to 13 degrees Celsius dry-bulb and 90% relative humidity. Decide the amount of heat transfer from the air in MJ
Water enters a 2 meter diameter pipe at a temperature of 23 deg C. The water leaves the pipe at a temperature of 97 deg C The laminar flow rate is such that the Reynolds number is 800. What is the mass flow rate?
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