Disinfection by products refer to compounds such as___________________ that are formed during chlorine disinfection. In contrast, chlorine demand refers to consumption of chlorine by compounds such as_________ Fill in the blanks Choices. (a) chloramines, Fe2+, (b) THMs, oxygen, (c) THMs, Fe2+, (d) chloride, organic matter

Q: A 75-gallon vessel is prepared for placing into service. Use a sweep-through purging method, to…

A:

Q: Food items weighing 30 kg initially have a moisture content of 700% (dry basis). These ingredients…

A:

Q: In reactive distillation, does the reaction preferably take place in the vapor or in the liquid…

A: The phase of the reaction in the reactive distillation process is to be mentioned.

Q: A piece of an imaginary element (called Imaginium), with dimensions 1.2 mm x 1.2 mm x 1.2 mm, has…

A: It is a BCC crystal  Dimensions (a) = 1.2 mm Atoms in it = 97.43 *1018 atoms

Q: When a compound is formed which undergoes decomposition with formation of another solid phase at a…

A: After analysis the fighure ; when compound C formed, the mol% of B is around 25% and the mol% pf A…

Q: Ca2, mg/L Mg¹2, mg/L Na", mg/L K', mg/L 11.6 4.2 Fe*, mg/L 9.6 Mn¹2, mg/L 0.8 a. b. C. d. 85.0 26…

A: Assuming complete dissociation of each molecules in ions, the Basic ions and acid ions can be…

Q: How much maltose reacts with molecular oxygen to release 8900kJ to the surroundings?

A: We are asked to find the amount of maltose reacts with the molecular oxygen to release 8900kJ to the…

Q: Alum is used as a coagulant. The best dry alum dose from the jar tests is 10 mg/L. Assume dry alum…

A: Given that, The dose of alum = 10 mg/L Converting into kg/L, the dose is = 10 mg = 10×10-6 kg = 1×…

Q: Although ceramics have traditionally been considered insulating materials, after World War II,…

A: To (a) Briefly describe the advantages and disadvantages of ceramics materials to be used in…

Q: A food ingredient has a moisture content of 80% on a dry basis so if it is expressed in terms of…

A: Moisture content (in percent) is given on a dry basis as 80% (0.8 in fraction) Moisture content on…

Q: Which of the following is the unit operations used in Chemical processing a. Nitration b.…

A: In chemical industries the processes are divided into the following Unit OperationsUnit…

Q: What is the purpose of soaking fresh cucumbers in a jar of vinegar (5% acetic acid)?  What does the…

A: Vinegar is made by the process of fermentation and is the combination of water and acetic acid…

Q: Calculate the percentage (%) of elements in C6H5(CH2)9NHCH2COOH

A: Given data: The given compound is C6H5 (CH2)9NHCH2COOH.

Q: what will be the API of crude B?

A: Distillation - It is the process of separation of components of the liquid mixture by partial…

Q: 2) Flash Distillation (or Single-Stage Contact) A mixture of 60 mole % n-heptane and 40 mole %…

A: Given, The mole% n-heptane is 60% The mole% toluene is 40%   z1 = 0.6z2 = 0.4   Let the moles of the…

Q: An alloy containing 30 down under equilibriur temperature. Determi eutectic phases in the

A:

Q: A mixture of oxygen and hydrogen gases, in a 9.75 L flask at 44 °C, contains 8.32 grams of oxygen…

A: The partial pressure of the hydrogen and the total pressure in the flask is to be determined.

Q: Temperature, °C 10 1200- 1064.43°C 1000- 800- 600- Weight Percent Gallium 20 30 423°C 12.2 410°C…

A: The melting points of the components are typically represented by the temperatures at which the pure…

Q: 1a) How many moles of solute are present in solution A? 1b) How many moles of solute are present in…

A: Given that   Quantity of solution  =100mL      i.e.    0.1L                      Concentration of…

Q: A mixture of neon and oxygen gases, in a 7.23 L flask at 46 °C, contains 5.93 grams of neon and 6.32…

A: Given: volume (v)=7.23L Temperature (T)= 46°C                          =46+273K…

Q: Calculate the chemical composition of a typical yard waste with and without sulfur and with and…

A: Chemical composition of yard waste is to be calculated.

Q: The most common fuel cells are based on the reaction of _____.   nickel and oxygen to produce…

A: The reaction on which fuel cells are made up is to be mentioned.

Q: calculate the GCV and NCV

A:

Q: The physical and chemical characteristics listed below are some of those that enable separation of…

A: The technical term used to carry out the process of separation of mixtures in chemical industries is…

Q: (a) State THREE (3) solubility categories of the phase diagram.

A:

Q: A niobium alloy is produced by introducting tungsten substitutional atoms into the BCC…

A: An alloy is a mixture of metals or a metal combined with one or more elements. This helps in…

Q: Atomic weights for several elements are included in the following table: Carbon 12.01 g/mol Chlorine…

A:

Q: The following are streams in hydrotreating process. Identify which of the streams are feed or…

A: Hydrotreating Unit - This unit is used to remove impurities like sulfur, nitrogen etc.

Q: N-Ti Temperature C 3500 3000 2500 2000 1670°C? (STI) 1500- 1000- 500 882°C 0 Ti 10 L 14.0 (aTi) 20…

A: A phase diagram for N-Ti is given.There are four phases given, that are,L

Q: what are the units for the slopes?

A: Slope of a straight line is defined as the ratio of y-intercept to x-intercept. Here the units of…

Q: CHEERRY TO MAKE  JAM AT  the mixture is heated to evaporate water AT 140 C  until the residue…

A: Given: After removing one-third mass of water from the jam, the mass that would remain is, M = 1000…

Q: iv) Explain two reasons of having the recycle stream in the above process.

A: The stream where some part of the product is returned and this stream is mixed with the feed stream.…

Q: Determine the number of moles and the mass of barium peroxide, BaO2, needed to produce 1.5 kg of…

A: 2BaO2 ---->2BaO  + O2 BaO = 1.5Kg= 1500gm moles and mass of BaO2=  ?

Q: For coal combustion, the oxygen in the stack gas is a combination of surplus oxygen provided and…

A: Coal burn when they react with oxygen in the air. If there is plenty of air, complete combustion…

Q: Hydrate decomposition can release large amounts of methane, which is a ____________gas that could…

A: Hydrate are the compounds that comprises crystalline structure. The structure is in such a manner…

Q: An iron-carbon alloy initially containing 0.266 wt% C is exposed to an oxygen-rich and virtually…

A: Initial concentration of carbon = 0.266 wt % Temperature = 1080 0C Surface concentration of carbon =…

Q: Determine the following for a humid air stream at 1 atm if the enthalpy deviation is - 0.6 kJ/kg dry…

A: The pressure of the air streams Enthalpy of  deviation The wet bulb temperature

Q: Calculate the percent yield of X when solvent D is used. Answer in 4 significant figures (% units…

A: As per the given data-(1) The percent yield of X in solvent D is calculated as follows-Also,

Q: You wash a Coplin jar with soap and water to ensure it is clean before running a TLC. You should…

A: True. Before performing a TLC, make sure the Coplin jar is very clean. Any remaining substances in…

Q: Calculate the percentage (%) of elements in C6H5(CH2)9NHCH2COOH.

A: Given data: The given compound is C6H5 (CH2)9NHCH2COOH.