In the late 1990s the U.S. Army Corps of Engineers designed an experiment to model the flow of the Tennessee River downstream of the Kentucky Lock and Dam Because of laboratory space restrictions, they built a scale model with a length scale factor of Lm/Lp = 1/100. Suggest a liquid that would be appropriate for the experiment.

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6. Identify the two species within the carbonate system that are the most relevant to the following situations, and identify the associated equilibrium constant: a. Dissolution of an Alka-Seltzer tablet (sodium bicarbonate, citric acid, aspirin) in water to create an effervescent pain-relieving drink. b. The effects of ocean acidification on the health of coral reefs.

(6) Derive an expression relating effluent concentration to influent concentration, hydraulic residence time, and the reaction rate constant for a second-order reaction in a batch at non-steady state. Repeat the exercise for a CMFR and a PFR at steady state. Explain your results.