Ask Question, Ask an Expert

+1-415-315-9853

info@mywordsolution.com

Ask Chemistry Expert

Determine the BOD5, BODU and k values.

A Polluted river sample is analyzed using standard BOD procedures .Data are obtained are listed below. Conclude the BOD5, BODU, and k values that best fit for the following data. 

 

Dissolved oxygen, g/m3

Time, (days)

Dilution, ml/300mL

0

1

5

30

0

8.90

8.87

8.77

8.11

1

8.83

8.49

7.66

2.70

2

8.76

8.41

7.25

0

3

8.69

8.23

6.39

 

4

8.62

8.06

5.83

 

5

8.55

7.91

5.35

 

6

8.48

7.77

4.95

 

7

8.41

7.64

4.60

 

Chemistry, Academics

  • Category:- Chemistry
  • Reference No.:- M918980

Have any Question? 


Related Questions in Chemistry

Instructionscandidates are to answer all questionsall parts

Instructions: Candidates are to answer ALL questions/ALL parts of questions This assessment is designed to assess the following learning outcomes of the module: 1. Discuss and critically evaluate the principles and appli ...

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 ...

An ozone o3 sparger system has been proposed for a

An ozone, O 3 , sparger system has been proposed for a water-treatment plant. The incoming water in a 80 m3 pond has been stripped of all ozone-demanding substances, and the pH is sufficiently low such that the ozone dec ...

At a particular location in a countercurrent stripper for

At a particular location in a countercurrent stripper for the removal of solute A from a liquid stream, the mole fraction of the transferring species A in the bulk gas phase is 0.01, and the mole fraction of solute A in ...

Calculate the increase in the boiling point deltat for a

Calculate the increase in the boiling point, ΔT, for a 1.87 m solution of sucrose (dissolves as a molecule) in water.

A 120 ml sample of a compound has a density of 144 gml what

A 12.0 mL sample of a compound has a density of 1.44 g/mL. What is the weight of the sample in g?

One method to produce nitrogen in the lab is to react

One method to produce nitrogen in the lab is to react ammonia with copper (II) oxide: NH3(g) + CuO(s) Cu(s) + H2O(l) + N2(g). After using 40.0 grams of NH3, 15.5 grams of N2are produced. What is the percent yield of nitr ...

How many grams of silver nitrate are required to produce

How many grams of silver nitrate are required to produce 44.00 g of aluminum nitrate? 6AgNO 3   +  Al 2 (SO 4 ) 3   →  3Ag 2 SO 4   +  2Al(NO 3 ) 3

An empty 100-ml measuring cylinder weighs 132456 gnbsp when

An empty 100-mL measuring cylinder weighs 132.456 g.  When filled with rice to the 100-mL mark it weighs 220.345 g.  After water has been added to fill the spaces between the grains, the weight is 250.123 g.  What is the ...

Titanium reacts with hydrogen peroxide in 100 m sulfuric

Titanium reacts with hydrogen peroxide in 1.00 M sulfuric acid to form a colored complex. If a 2.00x10^-5 M solution absorbs 31.5% of the radiation at 415 nm, what would be: the absorbable, the transmittance, and the per ...

  • 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

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

Describe what you learned about the impact of economic

Describe what you learned about the impact of economic, social, and demographic trends affecting the US labor environmen