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

As-ad model with inflation, Q. AS-AD model with inflation? When we have...

Q. AS-AD model with inflation? When we have inflation, both AD curve and AS curve will be gliding. 'The glide rate' of the AD curve is given by Π M whereas it is Π W that appli

Determine about the inflation rate, Determine about the Inflation rate ...

Determine about the Inflation rate For many central banks, this is the variable they are mostly interested in controlling. For all central banks, it is an important variabl

How did economists get it so wrong, Read "How Did Economists Get It So Wron...

Read "How Did Economists Get It So Wrong" by Paul Krugman and second, the blog "History of Economics Playground", by Pedro Duarte, Tiago Mata, Clement Levallois, Yann Grd...etc., t

Macroeconomics , 1. Nations trade what they produce in excess of their own ...

1. Nations trade what they produce in excess of their own consumption to: A) generate jobs for the domestic economy. B) earn “good will” from the World Bank. C) prevent chronic sur

Determination of factor prices by supply and demand, DETERMINATION OF FACTO...

DETERMINATION OF FACTOR PRICES BY SUPPLY AND DEMAND   Let us suppose that perfect competition prevails in the goods and the factor markets. In such a situation let us see how th

Ana, how long will it take for you to help me with assignment

how long will it take for you to help me with assignment

Find out the equilibrium level of income, Suppose you have the following in...

Suppose you have the following information about a closed economy: C = 50 + 0.80 (Y-T) I = 200 G = 100 a) Find out the equilibrium level of income. b) Suppose G in

Elucidate the rise in gdp, How much does GDP rise in each of the following ...

How much does GDP rise in each of the following scenarios: 1. During a recession, the government raises unemploymemnt benefits by $100 million. 2. A new US airline purchases

Manager of a firm, You are the manager of a firm that receives revenues of ...

You are the manager of a firm that receives revenues of $40,000 per year from product X and $90,000 per year from product Y. The own price elasticity of demand for product X is -1.

How can we define the real wage as nominal wage, How can we define the real...

How can we define the real wage as nominal wage We define real wage as nominal wage divided by a price index (typically CPI). In the illustration above, your real wage was 20 i

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