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

Tuckman group stage process schema, Consider the Tuckman group stage proces...

Consider the Tuckman group stage process schema. Identify specific actions a manager can take at each stage of the process to best help a group reach the performing stage. Respond

Product development project, What is the primary difference between a resea...

What is the primary difference between a research project and a product development project?

Inflation in germany, Once we have monthly data on a price index we can eva...

Once we have monthly data on a price index we can evaluate the inflation. In most nations, the percentage change in price index during one month is small. Hence it is more common t

Neo-Keynesian Synthesis, how would you describe a neo-keynesian (or neoclas...

how would you describe a neo-keynesian (or neoclassical) synthesis? and why did Joan Robinson label it "bastard Keynesian"

What are the important tools of making decisions, What are the important to...

What are the important tools of making decisions? Making Decisions: a. How economists model decision making through individuals and firms b. Implicit costs and Explicit-C

Expect to affect economic growth and wealth, Despite the economic progress ...

Despite the economic progress that the U.S. has observed in the past century, the standard of living remains extremely low in many countries. Why are some countries relatively weal

What is national income, Recognize which of the following purchases is coun...

Recognize which of the following purchases is counted as a part of NI: a) Tata motors purchases tire from Good year to equip latest Indica. b) Tata motors purchases tires fr

Various types of sports clothing, ABC Sports, a store that sells various ty...

ABC Sports, a store that sells various types of sports clothing and other sports items, is planning to introduce a new design of Arizona Diamondbacks' baseball caps. A consultant h

What is price level, The price level is the monetary value of a good or ser...

The price level is the monetary value of a good or service.

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