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

Difference among federal income tax and a federal sales, How could utility ...

How could utility theory help us understand the difference between a federal income tax and a federal sales tax on consumer consumption patterns?

Factors of production, What are the 4 scarce, factors of production and wha...

What are the 4 scarce, factors of production and what is a description of each of them. What are the costs to these resources?

#title.Functions of money., #qDiscuss the functions of money Illustrate you...

#qDiscuss the functions of money Illustrate your answeruestion..

Accounting system-example i, ACCOUNTING SYSTEM-EXAMPLE I  Consider a ve...

ACCOUNTING SYSTEM-EXAMPLE I  Consider a very simple economy. It consists of a. A number of households. b. A single productive organization, a 'firm' - say the Jam Corpora

Estimate the probability density function, It is assumed that the hazaed ra...

It is assumed that the hazaed rate for a pressure valve is given by h(t)= 1/5+t. 1. What is the cumulative probability function of failure F(t)? 11. What is probability densi

Determine the profit-maximizing average, It's been three weeks since you st...

It's been three weeks since you started working for BioMed and there's still no trace of Selwyn. That means you're still BioMed's resident economic expert. Harry the CEO was ple

Financing of fiscal deficit, Financing of Fiscal Deficit: Since the siz...

Financing of Fiscal Deficit: Since the size of balanced budget of the multiplier is small, it is not for all time possible to get the needed demand expansion by raising the exp

Agency mortgage-backed securities, This release also states that the Federa...

This release also states that the Federal Reserve is in the process of purchasing $1.25 trillion of agency mortgage-backed securities and about $175 billion of agency debt. Additio

Signs which indicate increament in the sales of the cilent, One of our clie...

One of our clients is a major homebuilder in the Midwest. This company believes that sales of their new homes are highly correlated with business cycles in the overall US economy.

Royalty payments year by year, Company A owns a patent with 15 years of rem...

Company A owns a patent with 15 years of remaining life. Company B is paying royalties to Company A for a license to the patent. It is estimated that royalty payments (end-of- year

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