Ask Question, Ask an Expert

+1-415-315-9853

info@mywordsolution.com

Ask Chemistry Expert

problem 1:

a) describe regarding the presence of phosphorous in waste water and its removal.

b) What are different groups of pollutants present in water? Describe.

problem 2:

a) describe how the biological agents cause disease in the humans and animals via soil pollution.

b) State the factors on which the collection of air samples depends. In addition prepare the process of air sampling.

c) prepare all the precautions observed while preparing a soil sample.

problem 3:

a) Illustrate the principle of solvent extraction? Describe the procedure of separating a neutral organic and acidic organic component from the mixture by using the solvent extraction method.

b) With the help of an illustration describe the process of ion exchange in ion exchange chromatography. How is this separation method used for the softening and deionization of water?

problem 4:

a) Draw a schematic diagram of cell having a pH glass electrode. Derive an expression for the operational definition of pH.

b) Give the applications of conductivity. At 298K, the resistance of 1.00 x 10-2 M KCl is 150 , while for 1.00 x 10-2 M HCl the resistance is 51.4 . The conductivity of the KCl solution at 298K is 1.41 ×10-3 Ω-1. Compute the cell constant and the conductivity of the HCl solution.

problem 5:

a) describe the steps of a typical procedure used for spectrophotometric determination of a substance.

b) What are the possible precautions one must consider when water samples are to be collected and submitted for bacteriological analysis? Give short details of the multiple tube fermentation test.

Chemistry, Academics

  • Category:- Chemistry
  • Reference No.:- M92630

Have any Question? 


Related Questions in Chemistry

Write the balanced equation then outline the steps

Write the balanced equation, then outline the steps necessary to determine the information requested in each of the following a) the number of moles and the mass of Mg required to react with 5.00 g of HCl and produce MgC ...

Analyzed individually two solutes have retention times of

Analyzed individually, two solutes have retention times of 17 s and 21 s with peak widths at half-maximum (w1/2) of 1.9 s and 2.8 s, respectively. If the two solutes are analyzed together, what would be the resolution on ...

A solution containing the complex formed between biiii and

A solution containing the complex formed between Bi(III) and thiourea has a molar absorptivity of 9.32x10^3 Lxcm^-1xmol^-1 at 470 nm. What is the absorbance of a 6.24 x10^-5 M solution of the complex in a 1.00-cm cell? W ...

Write an essay about molecular modelling its uses and

Write an essay about molecular modelling, its uses, and applications, and use a freely available modelling software from the internet and include the details of the modelling you followed, and give examples of at least t ...

How many moles of carbon dioxide are produced when 193 mol

How many moles of carbon dioxide are produced when 19.3 mol of propane gas is burned in excess oxygen? C3H8+5O2=3CO2+4H2O? Please show work.

Please create 1 synthesis you get to choose any starting

Please create 1 synthesis (you get to choose any starting material) but you should demonstrate all of the following reactions and the product: oxymercuration +hydroboration+ addition+ KMnO4 + hydrolysis + LDA . reactions ...

Jenny and mark complete a reactivity experiment by placing

Jenny and Mark complete a reactivity experiment by placing samples of metals into water. They initially place small shards of potassium into water and observe that hydrogen gas and potassium hydroxide solution are produc ...

What is the sum of all coefficients when the following net

What is the sum of all coefficients when the following net ionic equation is balanced using the smallest whole number coefficients possible? Do not forget coefficients of one. MnO 4 - + Mn 2+ MnO 2

A soil analysis was done for the exchangeable cations in

A soil analysis was done for the exchangeable cations in the soil and the results were as follows:Ca = 1.8 g/kg (atomic wt. Calcium is 40 g/mol)Mg = 3.25 cmolK = 3 cmolNa = 0.230 g/kg (atomic wt. of Na is 23 g/mol)H = 9 ...

A cleaning solution is found to have a oh- 32 x 10-12m

A cleaning solution is found to have a [OH-] = 3.2 x 10 -12 M. What is the [H 3 O + ] and is the solution acidic or basic?

  • 4,153,160 Questions Asked
  • 13,132 Experts
  • 2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

WalMart Identification of theory and critical discussion

Drawing on the prescribed text and/or relevant academic literature, produce a paper which discusses the nature of group

Section onea in an atwood machine suppose two objects of

SECTION ONE (a) In an Atwood Machine, suppose two objects of unequal mass are hung vertically over a frictionless

Part 1you work in hr for a company that operates a factory

Part 1: You work in HR for a company that operates a factory manufacturing fiberglass. There are several hundred empl

Details on advanced accounting paperthis paper is intended

DETAILS ON ADVANCED ACCOUNTING PAPER This paper is intended for students to apply the theoretical knowledge around ac

Create a provider database and related reports and queries

Create a provider database and related reports and queries to capture contact information for potential PC component pro