A composite wall layer consists of layer A covered by layer B. The thermal resistance of layer A is 0.55 °C/W and the thermal resistance of layer B is 2.40 °C/W. The exposed surface of layer A is at a temperature of 40°C and the exposed surface of layer B is at 100°C. What is the heat transfer per unit area across the composite wall? Express your answer in W/m2.

Q: Neutral covalent molecules are extractable because: 1- Because of its negative charge 2- Because of…

A: Introduction: A neutral covalent molecule is joined by covalent bonds. An appropriate example of a…

Q: Ammonia is made by the reaction of nitrogen and hydrogen under high temperature and pressure. In…

A: Given data: Percent of N2=79%Percent of O2=21%P1=320 atmP2=2 atm Basis= 100 moles of air

Q: For the following sets of reactions describe your reactor conditions and what type of reactor should…

A: Given : Desired product =D Undesired product=U

Q: A container filled with a sample of an ideal gas at the pressure of 3.5 atm. The gas is compressed…

A: Given Data: P1=3.5 atmV2=V14 Introduction: Isothermal process: An isothermal procedure is a type of…

Q: Are these statements about the evaporators true? Statement 1: Product foaming during vaporization is…

A: During the vaporization of a product, foaming is prevalent. Special designs for the feed intake may…

Q: Calculate Q, W, DH and DU for the isobaric adiabatic expansion of 1.00 mol of a  monatomic ideal gas…

A: Given, The external pressure, P = 1.00 bar   The moles of gas, 1.00 mol Initial volume, V1 = 1.00…

Q: 1. The microorganism E.coli is grown by the reaction equation below, RQ was measured as 0.85. C6 H12…

A: Given, Volume of batch reactor = 1000 L

Q: Calculate AG for the reaction 1/2 (O2) [O]Fe wt% at 1650°C. Given: (H2 ) + 1/ 2 (02) = (H2O) AG =…

A:

Q: Example 3.7: For the rectification in previous example, where a benzene-toluene feed is being…

A: Given  xd = 0.95 At minimum reflux condition Line of rectifying section passing from (0.95 , 0.95 )…

Q: Exactly 3 g of carbon was burned to CO2 in a copper calorimeter. The mass of the calorimeter is…

A: Specific heat capacity is defined as the amount of heat necessary to raise the temperature of one…

Q: Water at 60 °F flows through a 3" sch40 pipe. A pitot tube in the pipe shows a 3" Hg differential.…

A:

Q: Green apple have higher pH than egg. True False To measure the moisture content of cereals we use…

A: Given data  Green apple have higher pH than egg.  To measure the moisture content of cereals we use…

Q: A Proportional-Integral-Derivative (PID) controller is shown below: U 1 C K 1+Tps+ T,S R T,S +1 a)…

A: From above figure we form closed loop response as follows- Rs-Cs x Kc1+τDs+1τIs +Us x 1τ1s+1=Cs On…

Q: The location of a point on the Cartesian coordinate system (x,y.z) is (4,5,6). Using the location in…

A: Cartesian coordinate=(x,y,z)=(4,5,6) Cylindrical coordinate=r,θ,z

Q: H.w: For the forlowing daka Find y(7)=? by Newhon dd -methad 9. 13. 14

A: Given: x 5 6 9 11 y 12 13 14 16 X0=5     X1=6           X2=9          X3=11 X=7  lies…

Q: 1. (a) Hot oil at a flow rate of 5.5 kg/s (average cp = 1.92 kJ/kgK) enters an existing counter-flow…

A:

Q: The partial pressure of a gas is 0.30 atm over a solution of the gas in water, having a mole…

A:

Q: 1.What is the core volume ratio of a boiling water reactor (BWR) to that of a pressurized water…

A: Power density  The amount of power (time rate of energy transfer) per unit volume is referred to as…

Q: Discuss about GPC method for molecular weight determination with suitable diagram

A: GPC (Gel permeation chromatography) Gel permeation chromatography is a simple method for determining…

Q: 2. N204 decomposes in gas phase to give NO2. Find the following with the given; standard (298 K and…

A:

Q: 10. Enumerate the variables & equilibrium conditions and the resulting degrees of freedom in a…

A: (i ) number species N = 3    Number of phase C = 2  Degree of freedom = 2+N-C…

Q: Compare and contrast approaches to irrigation, fertilization,and pest management in industrial and…

A: Introduction: Agriculture is the practice of cultivating vegetation and farm animals. Agriculture…

Q: Consider a 1.5-m-high and 2.4-m-wide double-pane window consisting of two 3-mm-thick layers of glass…

A:

Q: Q1:Air enters a diffuser at 200 m/s with a pressure of 80 kPa and a temperature of -20°C. It leaves…

A: Note: We are authorized to answer three subparts at a time, since you have not mentioned which you…

Q: B-What is the Impurities in water?

A: Dear User, Since you have posted multiple questions, According to bartleby policy , we are solving…

Q: An inward flow radial turbine shown in the figure below has a nozzle angle.a, of 60" and an inlet…

A: Given Data: Nozzle angle α1=60oInlet rotor tip =u1=2 m/sThe ratio of rotor inlet to outlet…

Q: (For Nos 1 to 3). Determine the boiling point, boiling point rise, and enthalpy for 25% NaOH…

A: 25% NaOH solution at P=125 kPa Find Boiling point Boiling point rise Enthalpy

Q: A simple mixing process follows first-order behavior. Consider a mixing tank, initially at a steady…

A: Given that t =0  C1 = 8%t=47 min c2=1 %inlet flow rate =50 galmin

Q: The fuel oil has the ff. analysis: Carbon = 89% Nitrogen = 2% Hydrogen = 8% Sulfur = 19% With 3%…

A: GivenComposition of fuel oil by massC-89%N-2%H-8%S-1%Excess air supplied at 3%To finda. theoretical…

Q: One kmol of benzene gas (CSHO) enters a combustlon chamber designed to operate at steady state where…

A: Hi and thanks for the question. Since you have posted a question with multiple subparts, we will…

Q: Using the figure below, what is the pressure difference, PA - Pg when R = 0.1 m and the density of…

A: Given  Density of fluids A ( ρA )  = 12 g/cm3 = 12000 kg /m3  Density of fluids B( ρB) = 2 g/cm3 =…

Q: Digestion of the precipitate is used to get ---. O rid of Ostwald ripening. O pure and crystalline…

A: We are asked to answer what happens when digestion of the precipitate is used

Q: lem 2: P-2 Ethanol is diffusing through a 4-mm stagnant film of water. The ethanol concentrations of…

A: Given, Thickness of stagnant film = 4 mm Film temperature = 283 K

Q: Green apple have higher pH than egg. O True O False To measure the moisture content of cereals we…

A: We have to answer the pH of diffrent items  and about the moisture contents of cereal.

Q: Choose all that apply for an ideal gas O a. Molecules are in constant, random, straight-line motion…

A: The fundamental state of matter is gas.  The molecules in a gas have a significant distance from one…

Q: A hard rock (specific gravity = 3.8) is fed at 12000 kg per hour (F2) to a ball mill operating with…

A:

Q: If the m. Wt. of BaSO4 = 233.42 g/mol and m. Wt. of Na(SO4)2%3D 140.02 g/mol and wt of…

A: We are given the following information:  Mol. Wt.  of BaSO4 = 233.42 g/mole  Mol. Wt.  of Na2SO4 =…

Q: A circumferential fin of rectangular profile has a thickness of 0.7 mm and is installed on a tube…

A: Assumptions- Thickness = y Convective heat transfer coefficient = h Thermal conductivity of fin…

Q: Determine the specific volume of superheated water vapor at 0.1 MPa and 500°C, using : (a) the…

A: As per bartleby Multiple Subparts Guidelines, we are supposed to answer only first 3 question.…

Q: 240 mol of an liquid mixture of 30 mol% species M and 70 mol% species E is fed to a flash drum. The…

A: Given Mixture=30mol% M+70mol% E Mixture n=240 mol Data given P*M(T=90℃)=500 mmHg…

Q: Q1: In a particular installation, the purification system for the removal of sulfur compounds,…

A: Given, The feed flow rate, F = 1000 mol/h The composition of the feed is 15 % CO2, 5% H2S, 1.41% COS…

Q: 2. (a) 4 m, a width of 6 m and U = 1.8 m/s. For one side of the plate, find: Air at 40 °C and 1 atm…

A: 2(a) Given, The length, L = 1 m The velocity, U∞ = 1.8 m/s The width, w = 6 m The temperature, T =…

Q: 3. Sublimation of GeO from a mixture of germanium and germanium dioxide is represented by the…

A: The temperature versus pressure data for GeO is given.

Q: _____is the desired value of the controlled variable.

A: Given that there is given blanks we have to fill that blank by suitable word which satisfy that…

Q: HCI is slightly soluble in water O True O False Systematic Errors: have a definite value, an…

A: We have to answer the true/ False of the above question

Q: A Claus plant converts gaseous sulfur compounds to elemental sulfur, thereby eliminating emission of…

A: GivenThe underlying chemical reactions of Claus processWeight % of S in coal=0.6%Fraction of H2S…

Q: 2. Reaction between two acids occurs, which is the 2nd order reaction. Activation energy Ea is 60…

A:

Q: The stack gas from a furnace gas the following composition: 10.8% CO2, 0.20% CO, 9.0% O2, and 80%…

A: Since you have posted a question with multiple sub-parts, we will solve first three sub parts for…

Q: To get rid of colloidal precipitate we use either digestion or diverse ion O true O False Increase…

A: We have to answer the true/ False of the above questions

Q: (For Nos 12 to 14). Get the value of diffusivity of butyric acid vapor (A) in air (B) from Perry's…

A: 12. Write the expression for diffusivity as follows: DAB = 0.01013×T1.751MA+1MBPva1/3+vb1/32…