Determine the upper temperature of the operation
A Carnot engine produces 30 hp while operating with an efficiency of 32%. If the engin rejects heat to the atmosphere at 65o F, determine the upper temperature of the operation and heat rejected.
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Calculate the partial pressure and gas-phase concentration (in ppm) of ethanol in air when air at 18 psi is bubbled through pure ethanol at 25 deg C. Assume the bubbler achieves 40% saturation.
Explain, using either time-dilation or length contraction arguments. If they want to make the trip in 28 y what distance would the person travelling at nearly the speed of light measure (in light years, do not enter a unit)
Find an equation for nitrate concentration as a function of time and graph. Make sure to label the initial concentration, the EPA nitrate limits, the steady-state concentration.
According to the U.S. Bureau of the Census, 75% of adults regularly drank alcohol in 1985. An investigator predicts that fewer adults drink now than drank then. A sample of 100 adults is asked about their current drinking habits;
A random variable has the following probability distribution: X P(X) 0 0.10 1 0.20 2 0.35 3 0.26 4 0.09 A) Compute the expected value, variance and standard deviation of X
A frictionless inclined plane with angle of inclination theta is fixed to the floor of a train car accelerating in the +x direction with constant acceleration a. a block of mass m starts at the top of the inclined plane and slides down. Use lagran
Determine: The quality of the two-phase mixture. The mass of the liquid phase, mf, and the mass of the vapor phase, mV, in kg. The volume occupied by each phase, Vf-and Vg, in m3.
Find the Grand partition function of a 2D classical system of electrons with energy dispersion law E(p) = (p^2)/2m. The temperature is T and chemical potential is mu.
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