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The standard molar entropies of water ice, liquid and vapor are 37.99, 69.91, and 188.83 J K-1mol-1, respectively. On a single graph, show how the Gibbs energies of each of these phases vary with temperature between – 20 C and 150 C for a constant pressure of 80 kPa. You can start your computations at the triple point (pressure of 0.611 kPa and temperature of 0.01 C) where the molar Gibbs energy of all three phases are equal and can be assigned an arbitrary value of 1000 J mol-1. Use a molar volume of liquid water of 0.018 L mol?1 and solid water of 0.0195 L mol?
A 4 meter long steel plate with a rectangular cross section (10mm x 50mm) is resting on a frictionless surface under the sun. The plate temperature is measured to be at 40 degrees Celsius.
A drinking water system treats a flow of 3000 gallons per minute. Consider disinfection of a bacteria by ozone with an inactivation constant of K=0.06/min. To reduce the number of bacteria from 400 bact/ml to 4 bact/ml.
Crude oil at 20 degrees C fills the space between 2 concentric cylinders 250mm high with diameter of 150 and 156mm. What torque is required to rotate the inner cylinder at 12 rev/min
Ignore emissions from manufacturing the packaging material
Calculate the percentage of change in total volume with respect to its initial volume when a specimen of this clay is completely dried from a water content of 80%. Assume that the clay remains saturated from liquid limit to shrinkage limit.
what would be better a truss with all 60 angles or a truss with a 30 60 90 angle for a bridge design what would be the best design
What are the quantitative measures of reliability (discuss measures for hardware, software, personnel, facilities, and data)?
A maximum flow rate of 6 CFS is available for a river model. This corresponds to 30,000 CFS for the prototype. What is the scale of the model in terms of the prototype size?
Draw a graph showing the effluent concentration as a function of time for : a. Zero order CMFR and PFR with the same influent concentration and reaction rate. b. First order CMFR and PFR with the same influent concentration and reaction rate.
What is the shear strength in terms of effective stress on a place within a saturated soil mass at a point where the total normal stress is 295 kN/m2^2 and the pore water pressure 120 kN/m^2?
Using Raoult's Law or Henry's Law, as appropriate, calculate the pressure and mole fractions in the vapor phase for a system containing a liquid that is 0.3% N2 and 99.7% water (by moles) in equilibrium with its vapor at 80 °C.
Include a description of the types of property markers used as well as any problems a surveyor may encounter in this process in your explanation. In addition, discuss the minimum alignment required to establish the centerline
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