Consider a 1000 m^2 impoundment, 1 m deep. Benzene is present at 100 micrograms/L when the wind speed over the surface is 2 m/s. Estimate the evaporation rate of the compound assuming the water film mass transfer coefficient is 2.0 cm/hr and the concentration of benzene as a function of time in the impoundment.

Q: Lindemann-Hinshelwood mechanism

A:

Q: Consider a stoichiometric mixture of CH4 and air with a fuel heating value of 40 MJ/kg. Calculate…

A:

Q: A continuous fractionating column is required to separate a mixture containing 0.40 mol fraction…

A:

Q: A mixture containing 10% ethanol (E) and 90% H2O (W) by weight is fed into a distillation column at…

A:

Q: Fe3O4 + 4H2 + 3Fe + 4H2 (A) How much steam and iron are needed to create 100 kg of hydrogen? (B)…

A:

Q: In the process sketched in Figure P6.3.18, Na2CO 3is produced by the reaction Na2S + CaCO 3 → Na2 CO…

A: Process flow diagram for a process consisting multiple unit is given.

Q: Choose the correct option: Which of the following is not a unit operation? a) Crystallization b)…

A: In industries like Petroleum , fertilizers unit operations denote the physical aspects of any…

Q: 5. Sphericity of a cubical particle, when its equivalent diameter is taken as the height of the…

A: let side length of cubical particle be x then equivalent diameter (Dp)=x

Q: Consider the following scheme of elementary reactions: E₁ = 79 kJ/mol E₂ = 113 kJ/mol E3 = 126…

A:

Q: 1. A fluid temperature of 70°F; fluid pressure of 1 atm 2. An inner pipe diameter of 0.34 inches…

A: Temperature = 70 0F or 294.261 K Pressure= 1 atm Inner diameter of pipe = 0.34 inch or 0.0283 ft

Q: The volume of a microbial culture is observed to increase according to the formula V(cm³) = e where…

A: The given expression is, Vcm3 = et(sec)                    ------------------------(1) Here, "V" is…

Q: Two chemicals A and B are combined to form a chemical C. The rate, or velocity, of the reaction is…

A:

Q: A stream of aqueous methanol having 45mol % methanol (CH3OH) is to be separated into atop product…

A: A mixture of methanol and water is separated into top and bottom products in a fractionating…

Q: (2.11) A graphite heat exchanger is constructed by drilling circular channels in a solid block of…

A:

Q: 2. A tank initially contains 120 L of pure water. A mixture containing a concentration of 7 g/L of…

A: Initial volume of water, V = 120 L Inlet Volumetric flow rate of mixture, v0 = 2 L/min Outlet…

Q: Q3. Estimate the molal volume (V) of both CO₂ and O₂ for a number of different temperature and…

A: Molar volume of CO2 and O2 using Newton-Raphson method is to be calculated.

Q: A 60 cm-long, 3 cm-diameter AISI 1010 steel rod is welded to a furnace wall and passes through 20 cm…

A: Given, Length of cylindrical rod = 60 cm Diameter of rod = 3 cm Insulation = 20 cm Furnace wall…

Q: Steam is subjected to an isothermal expansion at 400o C, from P1 = 9,000 kPa to P2=300 kPa. Using…

A: Given that- Temperature, T=4000C=673.15 K Initial pressure, P1=9000 kPa Final pressure, P2=300 kPa…

Q: Ethane is chlorinated in a continuous reactor: HCI C₂H+Cla-C₂HCl Some of the product…

A: Given reaction is- C2H6+Cl2→C2H5Cl+ HClC2H5Cl+Cl2→C2H4Cl2+ HCl Basis mol C2H5Cl produced =100 mol…

Q: 2. Name for these icons? (a) Vapor V-100 Liquid (b) = (d) feed C out vapor CRV-10 out liquid

A: In the question we have to tell the names of the unit operations icons.

Q: A reversible liquid-phase reaction, 2 A B, is to be run in one or more adiabatic reactors. The rate…

A: A non-isothermal constant stirred tank reactor conducts a reversible liquid phase reaction. We have…

Q: 1. A cylindrical tank with a valve at the base empties at a rate described by: dy dt = -k√y where y…

A: Time required to empty the tank is to be calculated.

Q: The flow rate of methanol at 20 °C through a horizontal pipe (internal diameter = 4 cm) is to be…

A: Given: Pipe diameter, D = 4 cm⇒0.04 cm Internal throat diameter of orifice, d = 3 cm ⇒0.03 cm…

Q: A closed, non-conducting, horizontal cylinder is fitted with a non-conducting frictionless, floating…

A: Given that- For a closed system divided into sections A and B.  Mass of air in sections A and B are…

Q: Acetaldehyde is synthesized by the catalytic dehydrogenation of ethanol:  C2H5OH=CH3CHO+H2 Fresh…

A: The flow rate of reactor effluent is to be calculated.

Q: 1. A plastic (k = 0.5 W/m K) pipe carries a coolant at -35 °C with a heat-transfer coefficient of…

A:

Q: 4kg of air contained in a piston-cylinder apparatus at 1 bar. 40°c is compressed isothermally untill…

A:

Q: A CSTR is fed with a solution of chemical concentration CA₁ at a constant volumetric rate Q₁. The…

A:

Q: Acetone is absorbed from its mixture with air in nonvolatile absorption oil: - Entering gas contains…

A: Acetone is absorbed from the acetone-air mixture with the help of a non-volatile oil in an…

Q: Dry nitrogen is bubbled though benzene at 800 mmHg and 323 K at a rate of 100 m³ per minute.…

A: Given that- Pressure through which nitrogen is bubbled through benzene, P1=800 mmHg =106658 Pa…

Q: Moving bed catalytic cracking explain in detailed the following diagram. Moving Bed (fluid-bed)…

A: The process flow diagram of FCC unit is to be explained. Catalytic carking is chemical process in…

Q: In the manufacture of nitric acid, pure dry sodium nitrate is treated with 95% (weight) sulphuric…

A:

Q: 4) A mixture containing equal molar amounts of methanol and water is fed into a vessel which is at…

A: Given, The fraction of feed flashed off is 0.35. Let F be the moles of the feed, V be the moles of…

Q: If ice homogeneously nucleates at -57.8°C, calculate the critical radius given values of -3.1 x 108…

A: given = Tm = 0^c = 273 K T = -57.8^c = 215.2 K y = 25*10-3 J/m2 ∆Hf = -3.1*108 J/m3

Q: Calculate the Poynting factor for the fugacity of liquid water at 150 C and 150 bar.

A: Given that, The temperature of liquid water T = 150oC = 150 + 273 = 423 K The pressure of liquid…

Q: A slurry reactor has been operating to carry out a hydrogenation reaction. After one year of…

A: Introduction to relevant concept and terms A slurry reactor is usually a three phase catalytic…

Q: Calculate the fugacity of n-butane, f- butane, in a vapor mixture of 1 mole n-butane, 2.5 moles…

A: Fugacity is a measure of the "real" pressure of a gas in comparison to ideal gas.  Given; Number of…

Q: The surrounding environment is at T₁ = 300K and po = 1bar.Thermodynamic properties of various…

A:

Q: Blaise and Agatha are investigating parallel gas phase reactions between acetic acid (AA, CH3COOH)…

A: Write the balanced chemical equations for the two parallel reactions CH3COOH + 2H2 → C2H5OH + H2O…

Q: 35. The homogeneous gas reaction 2A 3R follows second-order kinetics. For a feed rate of 4m³/hr of…

A: A gas phase, second order reaction is carried out in a plug flow reactor.

Q: Compute the predeposition diffusion time

A:

Q: 24 Lr + Fq and Vs = V + F(q − 1), via an enthalpy balance on - Ve obtained the equations, Ls he feed…

A:

Q: Calculate the log mean temperature difference using cooling water utility for the following: Thi =…

A:

Q: Water is evaporating from the placid surface of a lake and the vapour(A) diffuses through a stagnant…

A: Given, The temperature of air, Ta = 27 °C = 27+273 K = 300 K The temperature of water, Tw = 23 °C =…

Q: T1 The saturated vapour pressure (VP) (p) and partial VP (p) of a mixture of propanone (acetone, A)…

A: Given that saturated vapour pressure (P0) and partial vapour pressure (p) of a mixture of acetone…

Q: Find the Orsat analysis of the burner gas when pure sulphur is burned with 20% excess air. Of the…

A:

Q: A storage tank of volume 100 mº containing methane has to be flushed by means of nitrogen. If the…

A: Given  Volume of tank V = 100 m3 Flow rate of N2 (Q ) = 30 m3/ min Final composition is 5% of…

Q: The residual entropy SR of a gas at P = 80 bar can be calculated using the following (select ALL…

A: Aim:The residual entropy SR of a gas at P = 80 bar can be calculated using the following (select ALL…

Q: (3) Compute the heat of reaction at 500°C for the Combustion of SO₂ according to the reaction to the…

A: Given that T=500 Cheat of reaction at 298 K is given

Q: Q3/ An Orsat analysis produces dry basis composition as showing in the table: Composition N₂ 67% CO₂…

A: Given that, The mole fraction of dry gas in the stack gas xdry gas = 0.95 The mole fraction of water…