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Nitrogen in a wastewater treatment plant is in the form of ammonia and ammonium ion and has a total concentration of 7.1 x 10-4M (KH for NH3 is 57 M/atm; pKa of NH4+is 9.26). a. Find the fraction of the nitrogen that is in the ammonia (NH3) form (and hence strippable) as a function of pH. Include a table AND a graph. b. If the wastewater pH is raised to 10 and the atmospheric ammonia partial pressure is 5.0 x 10-10 atm, what would be the
Calculate the stress at failure of a concrete test cylinder with a measured diameter of 152.4 mm and a recorded load of 371,426N. Units of ksi.
The solids in a specimen have a specific gravity of 2.65. If the oven-dry mass of the specimen is 25 kg, what is the volume of the solids in it
A hydraulic cylinder must produce a minimum force of 3 kN for a pressure of 800 kPa. What minimum diameter piston is required
The boat is travelling along a circular path with a speed v=(0.0625t). Determine the magnitude of its acceleration when t=10s
Find the angular velocity and angular acceleration needed to keep the prisoner in the beam of the spot light at the moment when the prisoner is 4000 ft away from the spot light.
Identical bricks 0.1m wide, and weighting 2kg are placed on a plate (assume the plate has neligible weight). Calculate the total weight (and force F required to balance the plate). How far from x=0 should F be placed so that the plate will not tip..
Ocean water contains 0.9 ounce of gold per ton. Method A costs $220 per ton of water processed and will recover 85% of the metal. Method B costs $160 per ton of water processed and will recover e of the metal.
We would continue embankment work even if winter season and my question is what is swelling amount of compacted soil for 30cm thickness and 95% compaction degree by freezing.
The inlet gas velocity is 16m/s and the particle density is 1.6 gm/cc. The working temperature of the process is 400K. Estimate the particle size that will be collected with 50 percent collection efficiency.
Water is at 9000 kPa and 300 degrees celcius and flows through a partially open valve. Pressure immediately after the valve is measured to be 600 kPa. Calculate the specific internal energy of the water leaving the valve. Neglect kinetic energy ch..
How do you calculate the force of water hitting a concrete cylindrical pole. The velocity of the water is 2 ft/s, the depth of the water is 10 ft, and diameter of the pole is 3 ft. So what would be the total force exerted on the pole by the water?
1.How can the water pressure in a pipe be measured simply 2.What force causes the water pressure to fall as it flows along a pipe 3.How do you think the pressure drop will change when each of the three variables changes
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