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A reaction of great significant for undergraduate students is the fermentation of sugar with yeast. This is a zero order (in sugar) reaction, where the yeast is a catalyst (it does not enter into the reaction itself). If a 0.5 liter bottle contains 3 grams of sugar, and it takes 20 minutes to convert 40% of the sugar what is the rate constant?
Two hemispheric shells are perfectly sealed together, and the internal pressure is reduced to 43 % of atmospheric pressure. The inner radius is 10.5 cm, and the outer radius is 10.75 cm. The seal is located halfway between the inner and outer radi..
An overhanging beam ABC is subjected to a couple MA at the free end (see figure). The lengths of the overhang and the main span are a and L, respectively. Determine the angle of rotation and deflection at end A.
The inflow to a small reservoir during a storm may be described by the equations Q=1000(1-e^-kt) where Q= flow in cfs k= runoff rate = 1.0 per hour t = time in hours The outflow through the dam gates is held constant at 800 cfs.
The Pomdeterra wastewater treatment plant produces a thick sludge that has a suspended solids concentration of 3.8%. They are investigating a filter press that will yield a solids concentration of 24%.
The undercarriage for an aircraft uses two springs between each wheel and the aircraft fueselage to cuhion the landing of the aircraft. There are two sprung wheels and the mass of the aircraft is 5000kg
Lane widths are 12ft and the superelevation is .006 and was set assuming maximum fs. If the necessary sight distance required 52ft of lateral clearance from the roadway center line, what design speed was used for the curve
A square yellow-brass bar must not stretch more than 2.5 mm when it is subjected to a tensile load. Knowing that E = 1.5 GPa and that the allowable tensile strength is 150 MPa
Draw the free-body diagram of member ABC which is supported by a smooth collar at A, rocker at B, and Find the Find the force of CD, and the force acting at point A & B
The shovel's production at a 100% efficiency is estimated to be 300 BCY/h. and efficiency is 0.80. Truck travel time is estimated to be 8.0 minutes, and truck fixed cycle time (excluding loading ) is estimated to be 2 minutes.
Find the minimum flow rate of air and the heat exchanger second-law efficiency.
What is your recommendation for the maximum size of coarse aggregate for the following situation?
The depth to water in A is 210 ft, in B is300 ft, and C is 230 ft. Determine the direction of ground water flow through the triangle ABC and calculate the hydraulic gradient. If the aquifer hydraulic conductivity is 30 ft/day, estimate how far gro..
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