Concentration of oxygen dissolved in water* biochemical oxygen demand (BOD) total suspended solids (TSS) dissolved oxygen (DO) chemical oxygen demand (COD) A measure of how much oxygen is consumed by bacteria or microbes as they break down organic pollutant in water * biochemical oxygen demand (BOD) total suspended solids (TSS) dissolved oxygen (DO) chemical oxygen demand (COD)

Q: Experimental: Dissolve an accurately weighed sample of 100 mg ( mmol) of iodine in 20 mL of water…

A: The question is based on mole conceptwe need to calculate mole of each of the given component…

Q: ah tr ar Licie IS d suonsanb OM1asaun ƏMSUP pup u DPau om 6. This article got a huge amount of…

A: The study of arsenic was not replicated after 2011 because at that time is was thought that  if…

Q: V. vi. vii. viii. ix. X. xi. vii Boc CO₂Et CHCI 3 KOH Pd(PPH3)4 Cul, i-Pr₂NH MezNH MgCl2 H3C. Br₂…

A:

Q: EXPERIMENT :Estimation of Dissolved Oxygen I want Theoretical Background for this experiment

A: Dissolved oxygen is the total oxygen which is dissolved in the water. The oxygen dissolved is from…

Q: A solution-phase reaction is carried out under controlled conditions so that the amount of one…

A: Titration  is procedure  in which concentration of unkown solution  is determined by  help of…

Q: What is supernatent? clear liquid above the precipitate. solution of liquid and precipitate colored…

A: The question is based on the concept of analytical chemistry. we need to define supernatant.…

Q: Draw the structure(s) of all alkane(s) that have 3-6 carbons and does not have secondary or tertiary…

A:

Q: Table view List view First spot plate results K+ Ca2+ Ва2+ A13+ v Choose... Choose... Choose...…

A: Given: Table  To find: Complete the table Solution: Ionic Compounds are those which are formed by…

Q: Which reagents are appropriate to carry out the conversion shown? OH ***** O

A: Given : structure of reactant and product.

Q: Desk IN8. 1. a. For a weak acid (e.g., CH,COOH) that is titrated with a strong base (e.g., NaOH),…

A: Acid react with base to give salt and water .

Q: AB 66. The following drugs/substances is assay by direct acidimetry, EXCEPT: a. Phosphoric acid b.…

A: Direct method : Here amount or concentration of acid / base is determined by titration against known…

Q: Trial Trial 1 2 Mass of acetic acid 30.01 30.03 solution Volume of NaOH added to half- 5.83 5.83…

A: For this question we are given,  pH for first trial = 4.72 pH for second trial = 4.70 We need to…

Q: Multiple Choice Each of the numbered items or incomplete statements is followed by answers or by…

A: The correct answers are given below

Q: Fill in the words to complete the steps in the process of recrystallization. 1. Dissolve a substance…

A: Recrystallization is a process in which an impure substance is purified. The process is based on the…

Q: What percentage of samples that contain no analyte end up being false positives? O a) 0% O b) 99% O…

A: Given,  What percentage of samples that contain no analyte end up being false positives?

Q: to make Cylinder, and total volume OF 150 mL OF 300mm Nad weight Naci, Place in a graduated the add…

A: Please find your solution below :   formuas are molarity = molevolume in LDilution law,V1× M1 (stock…

Q: True or False. The Km can be affected by the substrate concentration [Km]. Also give your…

A: The Michaelis menten mechanism of enzyme action is one of the most important  theory which explained…

Q: 1. KMnOy, H₂ot 2.500/₂ 3. CH 3 CH₂ N /h₂, pyr

A: In this question, we will draw the structure of the major organic product from the given starting…

Q: Recrystallized Benzoic acid compare to literature values • Format the table and the descriptive…

A: Infrared spectroscopy deals with the study of interaction of compounds/ organic molecules with…

Q: Which of the following may cause tailing?   I. Heavy spots II. Thick paper III. Volatile solvent…

A: Tailing is a phenomenon in thin layer chromatography, due to which different spots can not be…

Q: Look at the photos carefully. Match each description to the best burette photo for that description.…

A: A titration is a method used to assess the concentration of an unknown solution using a solution of…

Q: Name the following hydrocarbons. Be careful with the spelling and don't forget the commas and…

A: Name of the compound is written out with the substituents in alphabetical order followed by the base…

Q: Assuming 2-naphtholc acid (from Question # 12) is a solid, how can you check that it is pure after…

A: The impure substance is a mixture. To check the purity of the whether after being separated is done…

Q: Hint: consider doing the (1/T) ratio first (apply division/multiplication rules to determine and…

A: Temperature is a physical quantity that describes how hot or cold something is. It is the…

Q: what the observations when: 1. Mix m&ms cookies with water? 2. Mix m&ms cookies with vinegar? 3. Mix…

A: Given:-              The m&m has coating of sugar and food colors. These molecules form ions in…

Q: When we make a calibration curve, we want the range of calibration standards to the analyte…

A: Calibration curve is the plot of absorbance vs concentration of analyte.

Q: Obtain the infrared spectrum of your (dry powder) polymer product. n.b. : Attach a copy of your…

A: A question based on IR spectroscopy that is to be accomplished.

Q: Which of the following is incorrect: a. General steps in quantitative analysis include: Method…

A: Statement a is correct because it include correct general steps in quantitative analysis.

Q: Can you plz provide more detail for question b. I don't understand the answer, I see two arrows but…

A: To provide the brief description of the reaction b which is given as follows:

Q: Which of the following is incorrect: General steps in qualitative analysis include: Method…

A: Chemical analysis can be of two types, qualitative analysis, and quantitative analysis. Qualitative…

Q: What is an equivalence point on a graph? How is it estimated?

A: ANSWER IS DISCUSSED BELOW :

Q: The least squares calibration methods depend on? O A. Components of sample O B. Analyte…

A: The least-squares calibration methods depend on analyte identification.

Q: Assume that that you have a mixture that contains Benzoic Acid and Napthalene. Tell which…

A: Thin layer chromatography (TLC) is based on the principle of adsorption.

Q: After a recrystallization, a pure substance will ideally appear as a network of Choose. Choose... .…

A: A network of crystals having similar structure and size appeared during the recrystallization.

Q: Please correct answer and don't use hend raiting

A: a) At low salt ion concentrations, the solubility of a protein increases because the charged groups…

Q: product please??? solve correctly please with some explanation also.

A: In the first reaction,at first in presence of acyl chloride and Lewis acid AlCl3 ,Friedel craft…

Q: A small intermittent fraction is collected and discarded. This is a good practice because…

A: all steam distillation , the distillation collected will be both mixture of liquid but since they…

Q: 3. flask with filter better than The flask without filter. O False O True

A: Answer is True Please find the below explanation.

Q: 2. You omit the following steps. Circle the correct answer and briefly explain in the space…

A: the solution is shown below.

Environmental Pollution

Environmental pollution occurs due to some unwanted alteration in the surroundings which results in unfavorable effects on all organisms of that surrounding.