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

Impact of an aging population on state, Evaluate the impact of an aging pop...

Evaluate the impact of an aging population on state and local government expenditures. Suggest strategies that government should take in dealing with this situation. Justify your r

State the price level and time, State the Price level and time We are r...

State the Price level and time We are rarely interested in the value of price level at a specific point in time. What we are interested in is percentage change in the price lev

Profits are expected to grow indefinitely, A firm's current profits are $1,...

A firm's current profits are $1,300,000. These profits are expected to grow indefinitely at a constant annual rate of 3 percent. If the firm's opportunity cost of funds is 6 percen

Pros and cons of commercial transactions, Examine the pros and cons of comm...

Examine the pros and cons of commercial transactions in blood from the egoistic, the utilitarian, and the Kantian perspectives

Major economic indicators, A. What are the major differences between capita...

A. What are the major differences between capitalism, communism, and socialism? B. Discuss the three major economic indicators and how they are indicative of our current economi

Granger causality, With the aim of this project to observe the impact of oi...

With the aim of this project to observe the impact of oil price shocks on macroeconomic indicators, testing for causality between these variables will establish whether or not, oil

United states postal service, The United States postal service report 95% o...

The United States postal service report 95% of first class mail within the same city is delivered within two days of the time of mailing. Six letters are randomly sent to different

How not to justify say''s law, At first, Say's Law may seem 'obvious'. Thou...

At first, Say's Law may seem 'obvious'. Though, it's not - actually, it's highly controversial. The reason it may seem obvious is that you have perhaps learned from microeconomics

The effect of market for milk, 1a. Show on the market for milk the effect o...

1a. Show on the market for milk the effect of the introduction of BGH (bovine growth hormone). 1b. Show on the market for cheese the impact of what happened in the milk market.

Abnormal profits, explain the terms abnormal profits and normal profits

explain the terms abnormal profits and normal profits

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