How much water (in kg) must be evaporated in the evaporator per kg of product? Sodium hydroxide is usually produced from common salt by electrolysis. The essential elements of the system are shown below.

Q: What temperature-measuring devices would you recommend to make the following measurements: (a)…

A: To recommend temperature measuring devices for (a) temperature of the thermal decomposition of oil…

Q: Calculate the %CO2 in the stack gas analysis resulting from the complete combustion with 100% excess…

A: Given that, Fuel: Formaldehyde CH2O %excess air = 100% It is required to calculate the %CO2 in the…

Q: Evaporative Crystallizer.A 5,000-lb batch of 20 wt% aqueous MgSO4 solution is fed to an evaporative…

A: Mass of initial aqueous solution of MgSO4 fed to the crystallizer, mF = 5000 lb The weight percent…

Q: B) Calculate the mass percentage of hydrogen in ethanol C,H;OH. C) Calculate the POH of 2×10 M of…

A: We are asked to find the mass percent of hydrogen in ethanol. first we will calculate the molar mass…

Q: A solution is made by dissolving 0.501 mol of nonelectrolyte solute in 797 g of benzene. Calculate…

A:

Q: Magnesium hydroxide (A) solution is an efficient solvent for CO2 (B) scrubbing from refinery sour…

A: According to the two-film theory in case of absorption/scrubbing:

Q: To generate a test aerosol, a suspension of polystyrene spheres in water is aerosolized as…

A: Aerosol has air content so the time expression has gas constant. The water density, viscosity, and…

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: NaCI crystals are to be produced from 1000 kg of a solution containing 10% NaCI. 1 % KOH and 89%…

A: Given, 1000 kg of solution

Q: 3. An evaporator is used to concentrate cane sugar solutions. A feed of 10000 kg/day of a solution…

A:

Q: 1. Calculate [H*] and the pH of a tap-water sample in which [OH-]is 2.0x 10-7 M.

A: Given: OH-=2×10-7M We know that H+OH-=1×10-14MH+×2×10-7=1×10-14MH+=0.5×10-7M

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: After the addition of 24 g of ethanol (C2H5OH) to 1 kg of water, the freezing point of the solution…

A: 24 g of Ethanol (C2H5OH) dissolve in 1 kg of water. Freezing point of water at normal pressure= 0°c…

Q: Flash vaporization process is used to vaporise 70mole% of feed which contains 65 mole% of benzene…

A: The Flash vaporization process is a type of distillation process in which is added to the feed…

Q: An aqueous solution of gold nitrate is electrolyzed with a current of 0.5 ampere until 1.5 g of gold…

A:

Q: Q1/ Aluminum is diffused into pure silicon to make a semiconductor material. How long should be the…

A: There are two question.Only first one is answered. Given data: Temperature=1300°C=(1300+273)K=1573K…

Q: Air is used to dry a solid wet with toluene at 1 atm. At a location where the air has a temperature…

A: The humidity, the adiabatic-saturation temperature and the wet-bulb temperature for the Air-toluene…

Q: One way to make coal “cleaner” is to gasify the coal into “city gas”. In a proposed molten-iron…

A:

Q: A 5,000-lb batch of 20 wt% aqueous MgSO4 solution is fed to an evaporative crystallizer operating at…

A: Given data: Amount of feed = 5,000 lb Composition of MgSO4 in the feed = 20 wt%  Operating…

Q: H.W1/ An aqueous NaCl solution is made using 126 g of NaCl diluted to a total volume of 1.15 L.…

A: The molarity of the solution is to be calculated.

Q: In a solution there is 15.3 g of phosphoric acid that has 8.6 L of water, 10.9 g of calcium…

A: Write the reaction between phosphoric acid and calcium hydroxide as follows: H3PO4 + Ca(OH)2  →…

Q: Select correct name of the polymerization process which has the following properties? - The…

A: polymerization is a technique by using which one can create a giant molecule. 'Poly' means many and…

Q: After the addition of 24 g of ethanol (C2H5OH) to 1 kg of water, the freezing point of the solution…

A: Cryoscopic constant is defined as the depression in freezing point when one mole of solute is…

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: A tray distillation column tower is to be designed to distill 550 Ibmol/h of a binary mixture of 50…

A:

Q: The viscosity of benzene varies with temperature as shown in the following table. Use t data to…

A:

Q: Calculate the molarity of a solution prepared by dissolving 1,56 g of gaseous HCI in enough water to…

A: Mass of gaseous HCl  = 156 g Volume of solution = 268 mL

Q: 60% NaOH is to be concentrated in a triple effect evaporator to 15% NaOH. If equal amount of water…

A: The tripple effect evaporator system has been shown in figure The feed rate is F=100 kg/hr (Taking…

Q: Steel surface can be hardened by carburization. Such process is done at 1000°C and the concentration…

A:

Q: etermine the number of moles and the mass of sodium nitrate, NaNO3, required to produce 256 grams of…

A: This question is based on process calculation. Requirement : Mass of oxygen required  = 256 g

Q: An aqueous solution containing 10 moles percent ammonia is to be separated via continuous flash…

A: An aqueous solution of ammonia and water is separated in a flash distillation column.

Q: I need a labeled process flow chart and a DOF analysis for this problem:  One way to make coal…

A: To handle this detailed problem, let's first outline a process flow chart and perform a degree of…

Q: 60% NaOH is to be concentrated in a triple effect evaporator to 15% NaOH. If equal amount of water…

A: Given  60%NaOH is concentrated in a triple effect evaporator to 15 %NaOH And equal amount of water…

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: Give the composition of a flue gas for incomplete combustion of a gaseous fuel such as ethane.

A: It is required to determine the composition of flue gas for incomplete combustion of ethane. Since…

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

A:

Q: 5. Another student dissolves a 5.25 g sample of solid NaOH in 100.00 g of water at 25.00 °C in the…

A: Write the reaction as follows: NaOHs + H2Ol → NaOHaq    Given, The mass of solid NaOH, m1 = 5.25 g…

Q: Ethyl alcohol is diffusing into an alcohol-water solution at 18°C. The concentration of alcohol in…

A:

Q: 68%NaOH is to be concentrated in a triple effect evaporator to 16% NaOH.If equal amount of water is…

A: Assume a feed rate that will be the basis for this system. There are two streams which are vapor…

Q: Diffusion in Solids. Hydrogen at 0°C and 0.01 atm partial pressure diffuses through neoprene rubber…

A: Given data: Assuming A= Hydrogen, B= Neoprene DAB=1.03 x 10-10 m2s Solubility, S= 0.0151 m3m3 atm…

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.