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

What do you mean by price index, Q. What do you mean by Price index? Be...

Q. What do you mean by Price index? Because we are only interested in percentage change of the price level and not particular value, we can divide every price level by a given

Aggregate demand and say''s law, Aggregate demand and Say's Law  ...

Aggregate demand and Say's Law  Y D = Y S in the classical model (Say's law) Aggregate demand Y D is defined as quantity of nationally produced

Interest rate determination, Interest rate determination  ...

Interest rate determination  The real interest rate r will be equal to the equilibrium real interest rate In the classical model we define equil

Montary policy, Examine the efficiency of quanttitative credit control inst...

Examine the efficiency of quanttitative credit control instrument

Separation of growth and fluctuation, Separation of growth and fluctuation ...

Separation of growth and fluctuation It is very useful to separate the evolution of a variable which grows over time into a trend and fluctuations around the trend. The graphs

Advantage and disadvantage of reducing dependence, What are the pros and co...

What are the pros and cons of reducing dependence on outsourcing in order to fulfill social obligations toward stakeholders?

Determine how global competition impacts your firm, • Select Facultyapprove...

• Select Facultyapproved publicly traded firm (prefer from Middle East or international unique company) which allows access to it financial information (inform me by email which co

What is independent monetary policy, What is independent monetary policy ...

What is independent monetary policy Advantages: First, in a freely-floating exchange rate, the exchange rate must move down or up to correct a payments imbalance. Second, monet

Trade unions, what reasons limit the bargaining power of trade union in dev...

what reasons limit the bargaining power of trade union in developing countries

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