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Determine the enthalpy of nitrogen, in Btu/lbm, at 400 R and 2000 psia using (α) data from the ideal-gas nitrogen table and (b) the generalized enthalpy chart. Compare your results to the actual value of 177.8 Btu/lbm.
A 2-ft diameter circular pipe has a Manning's n of 0.013 and a bed slope of 2.0 X 10^-3. What is the uniform flow rate in this pipe if it is completely full (Qf) in ft^3/s? What is the centerline uniform water depth (y0) in the channel if the flow, Q..
Using an 9.34 in long wrench, the bolt has now been unscrewed a length of 1.10 in. The force of F={-52.7i +7.00j +6.00k} lb is still applied to the wrench at point B.
calculate the ratio of area to volume for unit cube a unit sphere in inscribed inside the cube, and as write cylinder inscribed inside the cube.
Eventually, the teen gets bored with this new game and shedecides to throw the tomatoes straight down at an initialvelocity of 15 m/s. Now, how long does she need to wait after seeing the cars to hit them at the same height?
A square footing 2 meters by 2 meters is to be constructed 1.22 meters below the ground surface. The groundwater table is located 1.82 meters below the ground surface.
A distance is measured with an EDM having the instrument /reflector offset constant set to 0mm. The slope distance is reported as 2435.672 m with a zenith angle reading of 90 degrees 34 minutes and 05 seconds.
A gas mixture contains 1.5 × 10-5 mole CO and has a total of 1 mole. What is the CO concentration in ppmv
A concrete mix witha 3-inch slump, w/c rtion of .5, ans sand with a fineness modulus of 2.4 contains 1700 lb/yd^3 of coarse aggregate. compute the required weight of coarse aggregate per cubic yard.
For a hydrology question we are given the depth of runoff and the time. We are to make a hyetograph using this information but Im not sure how to get the intensity of the rainfall from this information
IN in-situ bioremediation ,an electron donor such as acetateis typically added and is oxidized to provide the electrons for thereduction of CCl4, in ground water devoid of oxygen ,nitrate typically serves as the electron acceptor.using data fromhalf ..
A water treatment plant is processing water at s flow rate of 0.26m^3/s. The hydraulic detention times for the rapid mix tank, flocculation basin and the rectangular sedimentation basin are 10 sec, 30 min, 60 min, respectively.
Estimate the amount of Ca(OH)2(s) leached from concrete during a one-year period by precipitation. Assume that the area receives 40 in/yr of precipitation which is in equilibrium with PCO2= 10^-3.5 atm and [SO42-] = 10^-4 M.
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