Write down the names of the following chemicals and state the purpose for which each is used in water treatment.   Chemical Name Purpose ClO2     CaO     FeCl3     CO2     O2

Q: Q2) Find the combustion of ethyl-alcohol (C,H;OH) in a petrol the stoichiometric A/F ratio for…

A: (1) Find A/F ratios for 0.9 & 1.2 equivalence ratio (2) Find wet and dry analyses of exhaust gas…

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Q: When 13 g of reagent Z dissolves in 500 g of water in a coffee cup calorimeter, the initial…

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Q: Chlorine trifluoride, CIF3, is a toxic, intensely reactive gas. It was used in Word War II to make…

A: Given that two moles of chlorine trifluoride reacts with ammonia to form nitrogen, hydrogen fluoride…

Q: A compound is found to contain 63.65 % nitrogen and 36.35 % oxygen by mass. A N204 B NO4 (c) NO2 D)…

A: Given data: Composition of nitrogen in a compound = 63.65 % by mass Composition of oxygen in the…

Q: 8. The dissolütión of NH&CIO4) in water is endothermic with AHsolution = 33.5- If you mol prepare a…

A: This problem is based on dissolution of NH4ClO4 Data given: Molality of the solution = 1.00 m…

Q: What happens when a small amount of sodium hydroxide is added to a mixture of ammonia and ammonium…

A: The given mixture of ammonia and ammonium chloride is a buffer solution.

Q: 3.138 A sample of 10.0 g of sodium reacts with oxygen toform 13.83 g of sodium oxide (Na2O) and…

A: Given: Mass of sodium that reacts with oxygen is MNa = 10 g The mass of product formed is MP =…

Q: At point a3, the composition of the vapor phase is _______% B.

A: To solve this question we will drow the tie line (horizontal line ) that will cur the dew point…

Q: A hydrocarbon is burnt with excess air. The Orsat analysis of the flue gas shows 10.81% CO2, 3.78%…

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Q: The so-called LPG consists of 80% C3H8 propane and 20% C4H10 butane. Calculate the amount of…

A: Composition of LPG: 80% Propane, 20% Butane Air fed is 5% excess. Composition of air: 21% Oxygen and…

Q: phosphoric acid is usually obtained as an 85% phosphoric acid solution. if it is 15 M, calculate the…

A: Normality is given as the product of the molarity and basicity of an acidic compound.

Q: Q3/ Pentane is burned with (45 %) excess air. Fractional conversion of (85 %) of Pentane is…

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Q: The naphtha fraction derived from the distillation of Kuwait crude oil is with 0.02 wt% sulfur…

A: Dear User ! As per our  authoring guidelines, we have answered the first of the two independent…

Q: Why does a chemical reaction happen when you add water to a potassium chlorine mixture

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Q: Isopropyl acetate (IPAC) is a fine chemical which can be used in high-end ink oil, pharmaceuticals,…

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Q: 4FES2 + 150z – 2F€203 + 8S03

A: Sulphur trioxide gas is obtained by the combustion of FeS2 (pyrites)  4FeS2  +   15O2…

Q: A mixture containing 33% n-hexane, 37% n-heptane and 30% n-octane by mole is fed to a flash…

A:

Q: Calculate the difference between ΔU and ΔH for the burning of one mole of hexadecane (C16H34) at…

A:

Q: Calculate the factor by which a reaction rate is increased by an enzyme at 37°C if it lowers the…

A: Given that T =37 C =37 +273.15 k =310 KE1 = 15 kcalmolE2 = 10 kcalmol

Q: A solution of methylene chloride (CH,CI,) and ethanol (CH,CH,OH) is boiling at 62.7 °C. A sample of…

A: A mixture of methylene chloride (M) and ethanol (E) is boiled. The temperature of the boiling…

Q: The exhaust gas from a furnace gives the following Orsat analysis: 13.6% CO2, 2.4% cO, 2.8% O2, and…

A: Basis : 100 moles of exhaust gas- hence, N2 = 81.2 moles hence O2 fed = 81.20.79×0.21 = 21.585 moles…

Q: A of an KC at is to 200 in a The contains 18.67 g water per 100 g of dry KC, what percentage of the…

A: Given that, The initial temperature of KCl feed solution to crystallizer T1 = 100oC The solubility…

Q: 100 k/moles of Heptane is burned with 40% excess air. Seventy percent reacts to form CO₂ and the…

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Q: 1. Ethane (CHs) is burned with atmospheric air, and the volumetric analysis of the dry products of…

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: Temperature (°C) 1600 1400 1200 1000 800 600 400 1538°C (Fe) 912°C 1+ -1493°C 1394°C y. Austenite…

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Q: Sulphur dioxide is obtained by the following reaction Cu+2H,SO → CUSO + 2H,0 + SO2 (a) When 50 kg Cu…

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Q: Calculate the formation volume factor for the gas given below for use at 5000 psig and 194 °F.…

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Q: Pyrite Fines containing 85% FeS2, and 15% gangue are charged to a burner. An analysis of the cinder…

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Q: In a decomposition reaction of Mercury (II) Oxide, a 25.7 g sample of the compound is heated and…

A: Mass of HgO = 25.7 g 2HgO  -----------> 2Hg +O2 assuming normal temperature = 25oC = 298 K MM of…

Q: NaOH (Caustic soda) may be produced in a process from the following reactions: CaCO3 = CaO + CO2…

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Q: A crude oil is a naturally occurring mixture, consisting predominantly of hydrocarbons, sulphur,…

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Introduction and Basic Calculations in Multiphase Systems

Chemical calculations involve material and energy balance calculations which enable engineers to calculate material and energy requirements in various chemical processes. In addition to this, chemical calculations help to study the behavior and properties of gases, liquids, and their mixtures.