Which of the following air pollutants has the longest atmospheric lifetime because of its stability? O SOx O 03 O CO O particulate matter NOX

Q: Find the solution of following ODE by Laplace transform of the function x( t) and Ca(t) that…

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Q: Peng/Robinson equation of state

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Q: Can you as well solve e) f) d) please?

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Q: What is the maximum number of independent balances that may be written around each subsystem?…

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Q: Convection, Conduction, and Overall U. A gas at 450 K is flowing inside a 2-in. steel pipe, schedule…

A: Inlet temperature = 450 K Dimension of pipe = 2 in Schedule 40 Thickness of lagging = 51 mm Thermal…

Q: The average human adult has 0.18 Ibm of potassium distributed in his body. One isotope of 40…

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Q: Please answer. I will give a thumbs up What type of distillation involves octane and toulene?…

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Q: In the photosynthesis assuming an elementary reaction: a. Give the rate equation for the depletion…

A: The photosynthesis reaction assuming it is an elementary reaction is as follows: 6CO2 + 6H2O + light…

Q: Using the figure below, the lower plate is being pulled at a relative velocity of 3.14 m/s greater…

A: Given, Viscosity of fluid = 2.75 centipoise = 0.00275 Pa-sec Distance between plates = 1.3 m Reality…

Q: The steam needs of a company are served by a steam boiler, which receives energy as heat from a…

A: Given  Heat from combustion process = 6 GJ/h Efficiency before adjustment = 70% Efficiency after…

Q: Calculate the mole fraction of He in a gass mxiture of N2 and He, assuming the mass percentage…

A: basis = 100 g mass of nitrogen = 60% of 100 g = 60 g mass of helium = 40% of 100 g = 40 g molar mass…

Q: 3-10 The figure below is the schematic diagram and operating line of the intermediate indirect…

A: Given:

Q: PROBLEM 1: Vapor-Liquid Equilibrium A chloroform (1)/ acetonitrile (2) binary system obeys Raoult's…

A: Given, The pressure, P = 2.0 bar = 200 kPa The mole fraction of acetonitrile in vapor phase, y2 =…

Q: A sample of oxygen gas was found to have a pressure of 99.3kPa when the temperature was 18.5°C. What…

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Q: Consider the compound, C₂H4O₂. (5 pts each) Using the framework below, draw two possible Lewis…

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Q: Problem 2: A metal rod 0.4 m long & 0.04 m in diameter has one end at 373 K & another end at 273 K.…

A: Given Lenght of metal L = 0.4 meter Diameter D = 0.04 meter Thermal conductivity K = 385 J/ m s oC…

Q: Bananas are ripened in an air tight and insulated room by using ethylene  gas at 63 °F. Initially…

A: Given, The temperature of the room, T = 63 °F = 290.37 K The volume of the room, V = 25 m3 The…

Q: 9 What is the composition for the point labelled e? (2 Points) 1 0.8 xc 0.6 0.24 0.44 0.2 A (b) 0.8…

A: In the given image, the maroon line is the line consisting of A and B, the turquoise line is…

Q: 1. The following data refer to the adsorption of butane at 0°C onto tungsten powder (area 16.7 m²…

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Q: Why is the distillation curve of miscible liquids essential in distillation processes?

A: Introduction  Distillation:- By using selective boiling and condensation, distillation, also known…

Q: calculate the atmospheric pressure

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Q: Q3: The velocity in a pipe in turbulent flow is expressed by the following equation: u=k is the…

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Q: 5. Calculate the total heat loss by radiation and convection from an unlagged horizontal steam pipe…

A: Given details: Diameter of the Pipe,D=50 mm=50×10-3 m=0.05m Temperature of the pipe surface,Ts=415 K…

Q: What happens to the trend of Xm (liquid mole fraction) and Ym(vapor mole fraction) as the boiling…

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Q: b. How many total atoms are there in a body-centered cubic cell? Answer:

A: A unit cell is the crystal's building block. This is the smallest repeating unit in the crystal…

Q: In determining the average rate of heating of a tank of 20% sugar syrup, the temperature at the…

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Q: a) Please find out the statement of zeroth law of thermodynamics. b) Mammals (e.g., human beings)…

A: a) The zeroth law of thermodynamics states that if two bodies are each in thermal equilibrium with…

Q: You have three CSTRS you can place in series to carry out a liquid phase reaction at constant…

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Q: Instructions: Compute for the following problems stated below. Express your final answer into 4…

A: c. Phosphoric acid (H3PO4) Molecular weight = (3 x M. Wt of H )+ (1 x M.wt of P) +( 4 x M.wt of O )=…

Q: 468 kg/h of sliced fresh potato (78.26% moisture, the balance is solids) is fed to a forced…

A: Given data are as follows, Fresh potato mass flow rate = 468 Kg/h Initial moisture content in potato…

Q: The mole fractions of the main components of dry air at sea level are ??2 = 0.78, ??2= 0.21, ??? =…

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Q: A homeowner uses 2431 m³ of natural gas in a year to heat a home. Assume that natural gas is all…

A: Given that, Volume of methane CH4 V = 2431 m3 Pressure P = 1.4 atm Temperature T = 26.5oC = 26.5 +…

Q: The retention times of cis- and trans stilbene isomers on a GC column were 6.80 min and 7.30 min,…

A: Introduction Gas chromatography (GC) is a separation method that uses variations in the mode of…

Q: Water at 368 K is pumped from a storage tank at the rate of 25 m/h. The motor for the pump supplies…

A: Work done per kilogram of water pumped is calculated. For every kilogram of fluid, the heat given…

Q: FR&B 3.49. The great Boston molasses flood occurred on January 15, 1919. In it, 2.3 million gallons…

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Q: Heating Water with Hot Gases and Heat-Transfer Area. A water flow rate of 13.85 kg/s is to be heated…

A: Given: Water is heated in a heat exchanger from Tc1 = 54.5oC to Tc2 = 87.8oC by hot gas from Th1 =…

Q: In order to evaluate mass diffusivity of gases using Gilliland equation, one must specify these…

A: Gilliland Equation is given by: DAB=1.38×10-7T31MA+1MBPVA13+VB132 Where, DAB is diffusivity, T is…

Q: A liquid N2 (LN2) dewar typically has a pressure regulator that helps prevent it from rupturing when…

A: It is given that liquid N2 is stored in spherical dewar. Given data are as follows: Radius of dewar…

Q: Two distillation columns in series are used to enhance the recovery of a desired component. In one…

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Q: Using the figure below, the lower plate is being pulled at a relative velocity of 3.14 m/s greater…

A: For a detailed solution, please see the attached files.

Q: 6. A high volatile B bituminous coal analyzing 22% VCM, 64% FC, 4% M, 1.4% N and 1.6% S has a…

A: It is given that air is burned in excess air. Given inlet coal composition is 22% VCM, 64% FC, 4% M,…

Q: What effect do different sugars/sweeteners and different quantities of such sweeteners on the…

A: The physical properties of an ice cream refers to it's viscosity, hardness, color, melting rate,…

Q: A liquid mixture contains three components A (MW = 72), B (MW = 60) and C (MW = 55) in which A and B…

A: Given that, Molecular weight of A MA = 72 kg/kmol Molecular weight of B MB = 60 kg/kmol Molecular…

Q: Enumerate transport property correlations used to determine the molecular diffusivities of gases and…

A: Given information: Transport property correlation To determine the molecular diffusivities of gases…

Q: A tank with its top open to the atmosphere contains liquid methanol (MeOH, molecular weight 32g/mol)…

A: Given data: Temperature of tank = 308 0C Diameter of cylindrical tank = 1 m Total height of the tank…

Q: How did you know the values of the specific gravity (141.5*/API+131.5)?

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Q: A differential manometer is shown below. Calculate the pressure difference between points A

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Q: One mole of gas in a closed system undergoes a four-step thermodynamic cycle. Use the data given in…

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Q: Ethane (C2H6) in gas phase flows stationary into a straight pipe at 400 K and 6 MPa. The gas is…

A: Given, The mass flow rate of ethane is, m˙ = 2.5 kg/s The inlet temperature of ethane, T1 = 400 K…

Q: A vertical tube 1 in O.D. and 36 in long has steam condensing on the outside surface. The steam is…

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