Write the mass balance equation, Macroeconomics

Assignment Help:

Environmental engineers and scientists are becoming concerned about pharmaceuticals in the environment. An antibiotic is discharged into a small lake at an influent concentration of 0.05 mg/L. The lake has a surface area of 1.5 acres and a mean depth of 6 feet. The flow into the river is 100 cubic feet per second (cfs). The antibiotic is degraded naturally in the lake with a first-order rate constant of 0.003 s-1.

A. What kind of hydrodynamic model should you use for a small lake?

B. Write the mass balance equation in words.

C. Write the mass balance equation for the antibiotic in symbols at steady state. Define your symbols.

D. What is the antibiotic concentration in a river draining the lake at steady state?

 


Related Discussions:- Write the mass balance equation

Price of steel jumped, Your firm usually uses about 200-300 tons of steel p...

Your firm usually uses about 200-300 tons of steel per year. Last year, you purchased 100 tons of steel than needed (at a price of $200 per ton) In the meantime, the price of steel

DSGE model, I need to run DSGE model of one published paper of another auth...

I need to run DSGE model of one published paper of another author. Just I would like to request to run that paper using MATLAB(Dynare). And send me the dynare code.m 100 words acce

Net present worth for this new computer system, Kermit is considering purch...

Kermit is considering purchasing a new computer system. The purchase price is $106,430. Kermit will borrow one-fourth of the purchase price from a bank at 10 percent per year compo

Estimating womens labor supply, 1.    Estimating Women's Labor Supply a....

1.    Estimating Women's Labor Supply a.    The following regression was run for an estimate of the current women's labor supply curve: Where h i = hours of labor suppl

Determine the current in the neutral conductor, A 415V, 3-phase, 4 wires, s...

A 415V, 3-phase, 4 wires, star-connected system supplies three resistive loads as shown in Figure. Determine (a) The current in each line and (b) The current in the neutr

Health care and income transfers, During the past five decades, there has b...

During the past five decades, there has been a shift in the composition of the federal budget toward more spending on income transfers and health care and a smaller share for natio

Price results in the efficient quantity, The Price ceiling is the law that ...

The Price ceiling is the law that sets a maximum price below the equilibrium market price, but a price floor is the law that sets a maximum price above the market equilibrium price

Demand, Demand: Demand is quantity of a good buyer who wishes to purcha...

Demand: Demand is quantity of a good buyer who wishes to purchase at each conceivable price. The law of demand explains us that if the price of certain commodity increases,

Full employment and the natural rate, Is the natural rate of unemployment f...

Is the natural rate of unemployment fixed? Why or why not? How are full employment and the natural rate of unemployment related? Is the actual rate of unemployment currently greate

How commercial banks create money, How commercial banks "create money" ...

How commercial banks "create money" Commercial banks obviously cannot influence the amount of currency in the economy or the monetary base, since they are not allowed to print

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd