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

Process of leave, The yeild of Maize is 73429 Hg/Ha, I need to translate it...

The yeild of Maize is 73429 Hg/Ha, I need to translate it into bu/a, and I konw use 56lbs/bu as test weight. Please leave the process so that I know how to do it, thankyou.

Balance of payment, what cause balance of payment curve to shift

what cause balance of payment curve to shift

Homework, Potatoes cost Janice $0.50 per pound, and she has $5.00 that she ...

Potatoes cost Janice $0.50 per pound, and she has $5.00 that she could possibly spend on potatoes or other items. Suppose she feels that the first pound of potatoes is worth $1.50,

National income, how useful is national income statistics for indicating li...

how useful is national income statistics for indicating living standards

Expenditure methods, Expenditure method is also called Flow-of-Expenditure ...

Expenditure method is also called Flow-of-Expenditure method, consumption and investment method, income Disposal method, etc. Expenditure method measures the final expenditure

What are the important aspects in tracking the macro-economy, What are the ...

What are the important aspects in tracking the macro-economy? Important aspects in tracking the macro-economy: a. How economists utilizes aggregate measures to track the pre

Revealed preference approach, REVEALED PREFERENCE APPROACH The downward...

REVEALED PREFERENCE APPROACH The downward slope of the demand curve was justified on the basis of utility derived by the consumer. But specification of consumer tastes in form

Econ, Christina Romer and Jared Bernstein in "The Job Impact of the America...

Christina Romer and Jared Bernstein in "The Job Impact of the American Recovery and Reinvestment Plan" calibrated the impact of the proposed expansionary fiscal policy (we know it

Importance of macroeconomics models, Importance of macroeconomics models ...

Importance of macroeconomics models Using the models we can, for example, analyze what happens when the government increases consumption, when the central bank increases the tar

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