A steam pipe of i.d. 7.62cm and o.d. 10.2cm passes 1360 kg/hr of superheated steam at 260°c. The pipe is lagged with a 5.1cm thickness of magnesia and the atmosphere is at 15.5°c. Determine the temperature drop of the steam over a 30m. length assuming: Inside surface coefficient K steel Outside surface coefficient C for stean P K magnesia 20K .0455 kW/m .045 kW/m K .0034 kW/m20K 2.1 kJ/kg K 6.9 x 10-5 kW/m K

Q: 1. A carbohydrate (S) decomposes in the presence of an enzyme (E). The reaction follows…

A: Given data: M-M kinetic parameter area, Km= 200 mol/m3 Vmax= 100 mol/m3.min CS0 = 300 mol/m3

Q: Estimate the diffusivity of acetic acid diffusing through air at 298 K at 2 atm using the Fuller-…

A:

Q: from stoichiometry equation we can say that we have 8 molecules of water PH2OP = NH2ONTotal =…

A: Volume of fuel = 600 L or 0.6 m3 Density of fuel = 0.684 kg/m3 Note: Density of heptane is given…

Q: 88: Two liquid (P and Q) having same viscosity are following through a double pipe heat exchanger as…

A: Given that  density of liquid PρP=1000Kgm3densiity of liquid QρQ=800Kgm3average velocity of…

Q: Four gram-moles of benzene and six gram-moles of toluene are placed in a closed cylinder equipped…

A: (1) given  Saturation vapor pressure of benzene Pb = 1041 mm hg Saturation vapor pressure of toluene…

Q: 4.1 Water enters a 2.00-m³ tank at a rate of 6.00 kg/s and is withdrawn at a rate of 3.00 kg/s. The…

A:

Q: I A boiler is fired with coal containing 72.63% C, 14% ash ,1.6% N, and 1.2% S burnt under…

A: '

Q: Ethyl alcohol(C2​H5​OH)is burned with 70 percent excess air. The air is at 30∘C and70%relative…

A: Given that- Ethyl alcohol is burnt. Excess air= 70% Air temperature, T=300C Relative humidity,…

Q: 1. A crystallizer is charged with 100kg of solution containing 25% Ba (NO3)2 in water. On cooling…

A: Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: A standard 0.4-in. flange-tap orifice is installed in a straight horizontal length of standard 2-in.…

A: Given that- Diameter of pipe, D1 =2.067 inch= 0.0525 m Diameter of orific, D2=0.4 inch= 0.01016 m…

Q: As a chemical engineer working for a company, you are assigned to size a reactor for producing a…

A:

Q: Using AfGO given below at 25°C for the reactants and products to calculate the standard Gibbs energy…

A: Write the reaction as follows: SO2g + 12O2g ↔ SO3g   One mole of SO2 reacts with half mole of O2 and…

Q: How many moles of carbon dioxide

A: Given, Mass of substance of CO2 , m = 250 g Molar mass of CO2 , M = 44.01 g/mol We have to calculate…

Q: A stock containing 1.526 kg moisture per kg dry solid is dried to 0.099 kg moisture per kg dry solid…

A:

Q: I 7-133 Consider a person who is trying to keep cool on a hot summer day by turning a fan on and…

A: given = air temp = 32^c velocity of air = 5 m/s surrounding temp = 40^c emissivity(e) = 0.9 rate of…

Q: What is the cooling curve for both metals and plastics?

A: the cooling curve for metals =

Q: For SO2 at 600 K and 300 bar, estimate the fugacity and of G R /RT by using 2nd virial equation

A: Given data: T = 600 K P = 300 bar

Q: Q₁: Consider a power transistor that dissipates 0.2 W of power in an environment at 30C. The…

A: Given data are as follows: Power dissipation by the transistor P = 0.2 W  Surrounding temperature Ts…

Q: It is required to prepare 1250 kg of a solution composed of 12 wt.% ethanol and 88 wt.% water. Two…

A:

Q: isochoric cooling process from an initial state of 8 bar and 160°C to a final state of 5  bar and…

A:

Q: Using these two reactions and their AH, values X(s) + 1/2O₂(g) → XO(S) XCO3(s) calculate AĤ, for the…

A:

Q: Ethanol is dehydrogenated to produce acetaldehyde: C2H5OH(v) → CH3CHO(v) + H2 (g) in a continuous…

A: Write the reaction as follows: C2H5OHv → CH3CHOv+H2g   We know, The heat capacity of acetone vapor,…

Q: The thermal efficiency of an Otto cycle is 0.69%. What is the ratio of the minimum volume over the…

A: Given data: Thermal efficiency of Otto cycle = 0.69 Gas = diatomic

Q: Calculate. Do not round off in between processes. In a constant flow process of 777g of O2 gas that…

A: Given that, Mass of O2=777 g Molar mass of O2= 32 g/mol Initial temperature, T1=770C=350 K Final…

Q: In a solid - liquid extraction process operated according to the principle of continuous reverse…

A: A mixture of solids, hexane and oil is to be extracted with the help of pure hexane in a…

Q: Follow the standard energy balance steps to determine the water condensed and the heat removed from…

A: a)  b) Degree of freedom analysis Number of unknowns = 4 (Q, n1, n2, y) Number of independent…

Q: Problem 3 A heat engines operates between a lake's surface water at a temperature of 300 K and water…

A: Given, The surface temperature, T1 = 300 K The temperature of the water, T2 = 285 K The power…

Q: Consider a mixture of methanol (55%), formaldehyde (23%) and a variety of other solvents. If the…

A: a) Given data: Methanol (55%) Formaldehyde (23%) and 22 % are a variety of other solvents. Let the…

Q: Food storage containers are rigid.As a result, they can keep their shape to hold food.When food…

A: Introduction Most food  storage containers-both single-use and reusable ones,  are made of some…

Q: Calculate the enthalpy of sublimation of Iodine from the following data: H₂(g) + 1₂(s) → 2 HI(g) AHR…

A:

Q: Calculate the heat required (in kJ,

A:

Q: QUESTION 8 Regarding the following reaction CO₂ (g)+H2 (g)→→CO(g)+H₂O (g) ArH=-41.2kJ/mol Using Le…

A:

Q: 5. A Carnot heat engine receives 650 kJ of heat from a source of unknown temperature and rejects 250…

A:

Q: Oxygen is diffusing through a stagnant layer of methane 10 mm thick. The temperature is 20°C and the…

A:

Q: 2) The absolute pressure within a 45.0-liter gas cylinder should not exceed 58.0 atm. Suppose the…

A: Given data are as follows: Volume of cylinder = 45.0 L Maximum pressure = 58.0 atm Number of moles =…

Q: Acetic acid is hydrolysed in three stirred tank reactors operated in series. The feed flows to the…

A:

Q: A 15kg sample of water is held at 200°C in a variable-volume container (a piston-cylinder…

A: Given data: Mass of the sample = 15 kg T = 200 0C Specific volume of the mixture = 0.1 kg/m3

Q: 3. A household refrigerator that has a power input of 450 W and a COP of 1.5 is to cool 5 large…

A: The power input to the refrigerator is W = 450 W COP is 1.5 The specific heat of watermelons is 4.2…

Q: A benzene-air mixture is to be scrubbed in a simple counter-current absorption tower using a non-…

A: Benzene is separated from air-benzene gas mixture with the help of a liquid solvent.

Q: eprint to print an object la cells and biomaterials, crea

A:

Q: 4.6 A distillation column is a process unit in which a feed mixture is separated by multiple partial…

A: The flow chart of a distillation column is given.

Q: Problem 1: Water at 400°C has a specific volume of 0.00700 m³/kg. Determine the pressure of the…

A: given = T = 400^C = 673KV = 0.00700 m3/Kg a) Ideal gas equation   We know that PV=RT Gas…

Q: A process vessel is to be designed for the maximum operating pressure of 500 kN/m². The vessel has…

A:

Q: percentage of O₂ on a wet basis.

A:

Q: Find the volume of the solid that lies under the plane 4x + 6y – 2z + 13 = 0 and above the rectangle…

A:

Q: Professor Modyn's reactor produces 115.4115.4 mol/s of methanol by the stoichiometric reaction

A: C(s) + ½ O2(g) --> CO (g) ΔHf1 = -110.53 kJ/mol ΔHf2 (H2(g)) = 0 C(s) + ½ O2(g) + 2H2 (g) -->…

Q: Why did you do 0.12+0.07/2?

A: Given data  Why did you do 0.12+0.07/2?

Q: 1. A triple effect evaporator system connected for backward feeding is used to concentrate a…

A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question…

Q: Enlist different production processes for the product Vinyl Acetate, and select the suitable…

A:

Q: mx (x-7) + 49 = 0

A: