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Calculate the pH of a buffer solution prepared by mixing 8.5g KH2PO4 with 43.5g K2HPO4 in 1 liter of water (this is actually the composition of the dilution water used in a BOD test.
Follow the same procedures you have been using for previous acid/base equilibrium problems, and develop an Excel spreadsheet to identify the pH.Use alpha derivations.
As an agronomist you have been approached by a large pepper farmer who wishes to determine an appropriate"yield goal" fot this season. He provides you with yield data for ten year period which indicates that his production has been slowly decreasi..
Break Even Stripping Ratio (BESR), Given an underground total mining cost of $8.85 per tonne, surface mining costs of $2.95 per tonne of ore, and surface mining stripping costs of $1.75 per tonne of waste
Do the administrators of server systems still have to be concerned about, and take further countermeasures against DoS attacks, if so, what types of attacks can still occur, and what measures can be taken to reduce their impact?
Compute the maximum acceptable tensile load Pu, on an angle L6x4x3/4 when connected to both legs. The 4 in. leg contains a single gage line of 7/8in. diameter bolts, and the 6in.
a 10.0 inch long 10-guage wire of yellow brass (E=105 GPa) is subjected to an axial tensile force of 400 lbs. Find the normal sress and deformation in the wire. A 10-guage wire has a diameter of 2.588 mm.
Under the 200% DB depreciation, what is the cumulative depreciation through the end of year four? The useful life of the mixing tank is 9.5 years.
Find e1, e2, e3 for tendon to be concordant - find deflection at those location
A bus strike will eliminate all bus traffic, but it is estimated that for each bus removed from the roadway, seven additional passenger vehicles will be added as travelers seek other means of travel. What are the density, volume-to-capacity ratio,..
determine the angular acceleration of the spool and the acceleration of the trailer. The wheels have negligible mass and are free to rotate.
A radioactive waste from a clinical laboratory contains 0.2 μCi (microcuries) of calcium-45 (45Ca) per liter. The half-life of 45Ca is 152 days.
A soil sample is obtained by pushing a 16 inch long tube into the side of a pit. The tube has an inside diameter of 3 inch and weighs 1.8 lb. The soil in the tube is trimmed so that its ends are flush with the ends of the tube.
The section of the plywood in the 3rd quadrant is sawed off and the resulting piece is then glued squarely over the 4th quadrant portion of the plywood with glue of negligible weight.What are the x- and y-coordinates of the resulting center of gra..
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