Calculate the bod of this sample of water

Assignment Help Chemistry
Reference no: EM13718591

Problem- By titration, a water sample which was diluted tenfold had an initial DO of 9.08 mg/L, a final DO of 3.93 mg/L, an initial dilution water DO of 8.29 mg/L and a final dilution water DO of 10.32 mg/L. Calculate the BOD of this sample of water. Give your answers in mg/L to two decimal places.

Provide complete steps to solve the above question any help is appreciated

Reference no: EM13718591

Questions Cloud

Explain contribution to the heat capacity : he first excited energy level of the helium atom is 3.13 10^-13 J above the ground level. Estimate the temperature at which the electronic motion will begin to make a significant contribution to the heat capacity.
The marginal cost of capital for amounts : Affirm Timer Zeta, Inc., a pharmacutical firm can raise up to $700 million for investment from a mixture of debt, preferred stock and retained equity. Above $700 million, the firm must issue new common stock. Assuming that debt costs and prefer..
Define what is the final temperature of the gas mixture : Given that the average speed c under constant volume for ammonia is 3R, if the process is carried out at constant volume, what is the final temperature of the gas mixture
Calculate the molar volumes : At standard temperature and pressure the molar volumes of CO2 and NH3 gases are 22.31 and 22.40L respectively. The densities of crystalline CO2 and NH3 at 160K are 1.56 and 0.84 g/cm^3, respectively. Calculate their molar volumes.
Calculate the bod of this sample of water : By titration, a water sample which was diluted tenfold had an initial DO of 9.08 mg/L, a final DO of 3.93 mg/L, an initial dilution water DO of 8.29 mg/L and a final dilution water DO of 10.32 mg/L. Calculate the BOD of this sample of water. Give ..
Define water sample which was diluted tenfold had an initial : By titration, a water sample which was diluted tenfold had an initial DO of 9.3 mg/L, a final DO of 3.35 mg/L, an initial dilution water DO of 8.32 mg/L and a final dilution water DO of 10.33 mg/L.
Calculate the bond effective duration : A semiannual pay, noncallable, $1,000 per value, 3.75% coupon, 5-year bond is currently priced at 99.50 percent of par. Calculate the bond's effective duration if you expect yields to change by 50 points
Write an algorithm for a program : Write an algorithm for a program to input the speed of 10 cars and output thw highest and the slowest speed.
Define which species would act as the cathode : Which species would act as the cathode in the following reaction? 4 Au(s) + 16 Cl-(aq) + 3 O2(g) + 6 H2O(l) 4 AuCl4-(aq) + 12 OH-(aq)

Reviews

Write a Review

Chemistry Questions & Answers

  Steps in the mechanism for the following reaction

Show all the steps in the mechanism for the following reaction, When benzene is mixed with deuterated sulfuric acid, deuterium is slowly incorporated onto the ring. Show the mechanism for this reaction and explain how this relates the sulfonation of ..

  Prior to placing piece of metal into the graduated cylinder

This assignment inhibits chemistry Laboratory Questions.

  Write the structures of the saytzeff elimination

Write the structures of the saytzeff elimination

  Calculate ph - chemistry questions

Chemistry Questions on Calculate P H

  How many mols of hydrogen can produce

how many mols of H 2 can produce

  Analysis of corrosion mechanisms

Analysis of corrosion mechanisms and preventative measures

  Chemical and pharmaceutical science

Write an equation for the formation of an acetal from reaction of excess methanol with benzaldehyde in the presence of an acid catalyst.

  Calculate the approximate sulphur

Calculate the approximate SO 2 mass emission in lb/day.

  What is the structure - stereochemistry

What is the structure (including functional groups)? Stereochemistry (racemic or single enantiomer)?

  Design a qualitative analysis scheme

Design a qualitative analysis scheme

  What will be the resultant pressure

What will be the resultant pressure when the stopcock is opened?

  The 1h nmr spectrum

Integrals for some of the resonances in the 1H NMR spectrum are higher than they should be due to the shear number of hydrogens in this compound

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