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The surface area of clay particles can be determined by measuring the number of adsorbate molecules it takes to form a monolayer. The adsorbate molecules used for these measurements are usually N2 gas, therefore partial pressure "P" is used instead of Cw. Cs(Moles N2/kilograms of clay particles) P(ATM) 3.200 19393.94 3.000 12467.53 2.500 5818.18 2.200 4050.63 1.800 2592.26 (A) Using this data, calculate the surface area(m^2/kg) of the clay particles if the surface area of one adsorbate molecule, i.e. a N2 gas molecule = 0.16 nm^2/molecule. Note: 1 nanometer = 10^-9 meters. Also, 1 mole= 6.023 x 10^23 molecules
What is the risk of constructing a harbor which will be unprotected from wave attack during its construction.
A rectangular block of aluminum 30 mm × 60 mm × 90 mm is placed in a pressure chamber and subjected to a pressure of 100 MPa. If the modulus of elasticity is 70 GPa and Poisson's ratio is 0.333
The size of the house is 28ftx40ftx10ft. For simplicity, assume the roof is flat, covered with 1-in plywood plus asbestos shingles and has 3 1/2 in of fiberglass insulation. There is a wood subfloor (25/32 in) in the attic and a ahrdwood floor (3/..
Precipitation station X was inoperative for part of a month during which a storm occurred. The respective storm at the three surrounding stations A,B and C were 98,80 and 110mm
What are Engineering Societies based upon the research? List at least 10 discipline specific engineering societies along with their website addresses.
A concrete beam that is simply supported sustains a uniform live load of 1.8 kips/ft and a uniform dead load (not including self weight) of 1 kips/ft on a span of 24 ft. Determine the layout for a set of No.3 U-stirrups with Fy=60 ksi and F'c=3.5 ..
Calculate the overall modulus of the composite, explaining your calculations and the assumptions you have made when it is loaded:
A crane is placed along the easterly sideline of a building, but 25 feet from the front of the building. The building to be erected is a 6 story building that is 100 feet wide by 50feet deep. YOu may assume that each story is 15 feet.
assume hydrostatic uplift varies uniformly from full hydrostatic head at the heel of the dam to zero at the toe. consider 1m length of dam.
use zero through forth order taylor series expansions to predict f(2.5) for f(x) = ln x using a base point at x=1. compute the true percent relative error for each approximation. discuss the meaning of the results.
If a certain watershed received 1,250 mm of rain during a year, stored 150 mm of water in its soil mantle, and lost 400 mm of water downstream, how much water (in mm) was lost to the atmosphere (mainly through plants)
Determine the differential settlement between the centre line of the ring beam and under the centre of beam. The inner and outer radii of the ring beam are 8m and 12m respectively.
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