The test kits used to determine COD contain chemicals that react with the organic compounds n an unknown sample. During the reaction, the organic compounds are dioxide. to carbon O oxidized O reduced O dissolved O precipitated

Q: Automotive antifreeze consists of ethylene glycol, C̟H_O, a non-volatile non-electrolyte. 26 2'…

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Q: A common method used in manufacturing sodium hypochlorite bleach is by the reaction: 425 kg gaseous…

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Q: Methane diffuses from a gas phase onto a catalytic surface where it undergoes the following reaction…

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Q: n a process for NaCl recovery from its aqueous solution containing 24% NaCl (wt%) and rest water,…

A: Given: Feed solution F = 1000 kg NaCl in feed xfN = 24% or 0.24 Water in feed xfw = 0.76 or 76% The…

Q: An iron-carbon alloy initially containing 0.255 wt% C is exposed to an oxygen-rich and virtually…

A: Given data: Initial concentration of C = 0.255 wt % Surface concentration = 0.0 wt % Temperature =…

Q: In the production of alumina (Al2O3) for smelting into aluminium metal, bauxite (containing…

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Q: Determine the oxidation number of the Chromium (Cr) in an unknown salt if electrolysis of a molten…

A: Current, I = 15 A Time, t = 3 hrs = 180 min = 10800 s Quantity of electricity, Q = I × t = (15 A) ×…

Q: Note that if the % carbon and net hydrogen lost in the refuse is around 7%, a. Determine the orsat…

A: The moles of components are calculated by assuming a basis. The loss percent is considered and the…

Q: An aqueous solution of this is used as an embalming agent butyraldehyde caproaldehyde O pentanal

A: Embalming agents are variety of preservatives chemicals.

Q: A liquid mixture of benzene-toluene is to be distilled in a fractionating tower. The feed containing…

A: Introduction:- Distillation is the process of turning a liquid into a vapor, which is then condensed…

Q: Determine the computed air fuel ratio of ethanol (C2H5OH) at standard conditions

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Q: Calculate the bubble point temperature for a liquid hydrocarbon mix of 30% n-pentane and 70%…

A: The temperature at which a liquid-vapor mixture's first bubble of vapor appears when the temperature…

Q: Mixing of Acid. Spent Acid from a stripping column contains 239 by mass. This stream is to be…

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Q: [Gas Absorption/Scrubbing] In a plastic manufacturing concern, air is used to dry plastic sheets in…

A: here desorption of acetone is taking place from air using water as solvent- rate at which…

Q: Consider the environmental accident in Hungary involving waste (‘red mud’) from aluminum…

A: To 1. write reaction equations for the processes that describe processing of Bauxite in Bayer…

Q: In order to obtain barium in a form that may be put into solution, the natural barytes, containing…

A: Balance reaction BaSO4 + Na2CO3 = BaCO3 + Na2SO4 Formula weighs BaSO4 − 233.36 g/mol BaCO3 − 197.3…

Q: A lead ore, galena, consisting mainly of lead (II) sulfide, is the principal source of lead. To…

A: Enthalpy change of reaction a = -415.4 kJ Enthalpy change of reaction b = 108.5 kJ

Q: Sodium Metal Reacts with Oxygen gas (reminder oxygen is diatomic) to form solid Sodium Oxide Solid.…

A: Sodium Metal Reacts with Oxygen gas to form solid Sodium Oxide. Weight of Sodium metal=24gram Weight…

Q: If 38.5 mL of lead(II) nitrate solution reacts completely withexcess sodium iodide solution to yield…

A: The molarity of the lead(II) ion in the original solution is to be determined.

Q: leaching

A: Leaching and extraction are two unit process to extract a substance from a mixture. The major…

Q: Consider an aerobic production of acetic acid (P) from ethanol (S) using Acetobacter aceti bacteria.…

A: The objective of the question is to calculate the yield coefficient (Y P/S) in the aerobic…

Q: Many crude oils contain dissolved hydrogen sulphide  H2S  and carbon dioxide  CO2  that are referred…

A: To describe three methods or processes used to remove H2S and CO2 from fuel gases. We have described…

Q: n the manufacture of sulfuric acid by the contact process iron pyrites, FeSj, is burned in dry air,…

A: (a) To calculate the weight of air to be used per 100 lb of pyrites charged, we need to consider the…

Q: A total of 6,000 lb/h of a liquid solution of 40 wt% benzene in naphthalene at 50oC is cooled to…

A: The total flow rate of the liquid solution, ṁF = 6000 lb/h The weight percentage of benzene (C6H6)…

Q: How much water (in kg) must be evaporated in the evaporator per kg of product? Sodium hydroxide is…

A: After dissolver=30 % solution Product: 50% NaOH7% NaCl43% H2O

Q: The maximum amount of magnesium fluoride that will dissolve in a 0.291 M sodium fluoride solution is

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Q: Problem 2 An aqueous solution containing 60% Na2S₂O3 and 1% soluble impurities is diluted with water…

A: Given that- Basis feed= 100 kg  Na2S2O3 =60% =60 kg Solid impurities= 1 % = 1kg Final dried product…

Q: Table 1. Answers in Item (a). Point Phases present Compositions (more volatile) Temperature, °C 2 3…

A: Given graph is T-x-y for butane-pentane system. The graph consists of three phases. They are liquid…

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Q: Biochar is believed to be a good absorbent for various contaminants. In an isotherm experiment, a…

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Q: In the titration of proporanolol tablets using perchloric acid, the indicator used is Select one: O…

A: Titration is nothing but it is a process that is used to calculate the concentration of the unknown…

Q: This is a naturally-occurring substance resent in the environment at excessive amounts making it…

A: we have to find out the substance which is present in the environment at excessive amounts making…

Q: A sample of coal is found to contain 68.2% carbon and 24.3% ash (by weight) the rest is moisture.…

A: The composition of coal: Carbon-68.2% Ash-24.3% and the rest is moisture. After combustion, the…

Q: 5. Raw Sulfur containing 83% pure S is burned together with 80% excess air (Š to So, ), An analysis…

A: Hi and thanks for the question. Since you have posted a question with multiple sub-parts, we will…

Q: Calculate the composition of the equilibrium extract and raffinate phases produced when a 35 % by…

A: SOLUTION:A. To solve this problem, we can use the lever rule along with the equilibrium miscibility…

Q: Silica gel is to be used to separate a mixture of butane and butylene. The feed containing 55%…

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Q: 1) Carbon disulfide, CS2, burns in oxygen according to following reaction CS2 + 302 CO2 + 2SO2…

A: The reaction of Carbon disulfide in presence of oxygen to give Sulfur dioxide is given as; CS2 + 3O2…

Q: 1 kmol C2H6 is burned with an unknown amount of air. At the end of combustion since it is known that…

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Q: When high concentrations of SO3 gas are added to sulfuric acid, the compound formed is Check all…

A: Given - Components High concentration SO3 and H2SO4 Find - Compound formerd

Q: Copperas (crude ferrous sulfate) is purified by dissolving it in water and recrystallizing it in a…

A: Given Copper(impure)is purified Feed+water→28%FeSO4 Feed=96% FeSO4.7H2O Solubility of FeSO4=20.51 g…

Q: 2) Calculate the pH, pOH, and all of the equilibrium concentrations for a 3.00 mM solution of…

A: Potassium benzoate (C6H5COOK) is the salt formed from the benzoic acid (C6H5COOH). Here, benzoate…

Q: A petroleum gas mixture containing 65% propane, 25% of propylene and 10% of butane (mole percent) is…

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Q: Carbon monoxide combines with chlorine in the presence of a suitable catalyst to form phosgene…

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Q: We Know that Atmosphere CO2 can dissolve in the ocean. Given the formula: Solve for the value of KH…

A: Step(1): Given that equation for Henry’s constant: KH=0.034 e24001T2 – 1T1 Here, the initial…

Distillation

Distillation is a process/technique to separate more volatile components from less volatile components using the principle of relative volatility. In chemical engineering, distillation is one of the most common and important topics that is involved in almost every industry and process.