Problem 2 A building requires 5 x 105 BTU per day to maintain its temperature at 70°F when the outside temperature is 32°F. (a) If an electric heat pump is used to supply this energy, determine the minimum theoretical work input for one day of operation, in BTU/day. (b) Evaluating Celectricity at 13 cents per descanner at 13 cents per kW hr, determine the minimum theoretical cost to operate the heat pump, in $/day.

Q: 1-kg/s Glycerin (C₂=2200 J/kg.K) is to be heated from 20°C to 60°C using 2-kg/s Ethylene Glycol (Cp…

A:

Q: An absorption tower is fed with an aqueous stream containing 3 wt% propane. Countercurrently,…

A: Given data are as follows: Propane percent in aqueous stream = 3 wt% Propane percent in gaseous…

Q: 1- One face of a copper plate 13 cm thick (k-200 W/m2C) is maintained at 673 K and the other face is…

A: given = x = 13cm = 0.13 m K = 200 W/m^c T1 = 673K and T2 = 373K  area = 2500 cm2 = 25m2 Q = -KAdTdxQ…

Q: 1. Based on the following water composition, determine the alkalinity, total hardness and carbonate…

A: according to Bartleby's guidelines, I can only solve one question at a time ion conc(mg/L)…

Q: In order to concentrate 5,000 kg/h of an NaOH solution containing 10 wt.% NaOH to a 25 wt.%…

A: A solution of NaOH is concentrated in single –effect evaporator.

Q: For the binary mixture of chloroform and benzene; a. The mole fraction of the more volatile…

A: A mixture of chloroform and benzene is given. Total pressure of the system = 2 bar

Q: Calculate the mean free path of nitrogen gas with a collision diameter of 3.21 x 10 cm at 400 K and…

A: According to Bartleby policy, I can only solve one question at a time I request you to please upload…

Q: A hot solution containing 1000 kg or MgSO4 and water having a concentration of 30 weight percent…

A:

Q: Estimation of Liquid Diffusivity. It is desired to predict the diffusion coefficient of dilute…

A: Given that- Solution of dilute acetic acid in water at, T1=282.9 K T2=298 K  As per Wilke-Chang…

Q: 3) A thermoelectric refrigerator that resembles a small ice chest is powered by a car battery and…

A: Given, The volume of canned drink, V = 0.350 L The density of the drink, ρ = 1 kg/L The specific…

Q: Question C3: nuous stirred tank reactor (CSTR) For the second-order, liquid phase, irreversible…

A: Given that n=2CSTRk=3 m3mol s=3000 ltmol s x =80 %Vo  =0.2 ltsCAo  = 1 moll

Q: 1. A certain radioactive material follows the law of exponential growth. If between noon and 2 pm…

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

Q: (d) A continues stream of humid air contains water vapor and dry air, the latter containing…

A: Introduction:- A mixture's mole fraction is calculated by dividing the number of molecules of a…

Q: Q\ Derive the relationship? p(u) A21/B12 B21/B12 exp(- -1

A:

Q: Agas mixture as shown in table bei ous. Calculate total Specific grivity and Compressiblit Pactor at…

A:

Q: A feed containing 3 wt.% dissolved organic solids in water is fed to a double effect evaporator with…

A: Given that- In double effect evaporator, Solid in feed= 3 % =0.03 Concentrated solid= 20%=0.2 Enter…

Q: One kilogram on a diatomic ideal gas undergoes the following four step process starting at Point A…

A: Note: As per our guidelines, we are supposed to answer only one question of multiple questions and…

Q: Table B.2 lists values of the heat capacity of liquid ethanol at two temperatures. T(°C) Cpx 10³…

A:

Q: 3. The spherical particle of unit density falls freely in air with a constant velocity of…

A: Given details: terminal velocity, v=0.5000 cm/sec viscosity coefficient of air,η=0.000180 poise We…

Q: Braqmet erti szips of food riguone eipiensp of beloper sd of ever bluow d. What singular change can…

A: d) To vaporize letter B, we have to increase temperature or decrease pressure because presently…

Q: the pressure drop across the tube bank, and (c) the rate of condensation of steam inside the tubes.…

A: Given that  k = 0.02625 W/m·K   ρ = 1.145 kg/m3   cp = 1.007 kJ/kg·KSL = ST = 0.03 m  Pr = 0.7268…

Q: A BENZENE-METHYL ISOO BUTYL KETONE solution containing 60% benzene as mole will be separated at a…

A: A mixture of benzene (1) and methyl isobutyl ketone (2) is separate in a distillation column.…

Q: QUESTION 3 When A is mixed with another sovlent B at pressure 1 atm to make a binary solution of A…

A:

Q: the exchanger. Describe the thermodynamic path and state any assumptions you used for your…

A:

Q: A power plant needs to evaporate 3000 kg/min of water at 50 C at a constant 1 bar of pressure.…

A: Water is evaporated with the help of superheated steam in a power plant.

Q: 1-102 A 1.4-m-long, 0.2-cm-diameter electrical wire extends across a room that is maintained at…

A: Given  1.4 m long and 0 2 cm Diameter electric wire Room temperature  = 20oC Surface temperature of…

Q: 4. (Kittel 6.9) Gas of atoms with internal degrees of freedom. Consider an ideal monatomic gas, but…

A: Note = I used T for temp instead of tauN = λ∑∈e-βε= ε = p22m + εint=  εint = 0 =>∑∈e-β∈ = Z =…

Q: Temperature Profile in a Packed Tube Distance from the entrance of reactor (m) 0.0000 0.0938 0.1875…

A: In the case of a packed tube, we know the maximum temperature gradient that occurs during the…

Q: For the second-order, liquid phase, irreversible reaction, 2A -------> B a CSTR is used. Under…

A:

Q: A power plant rated at 1976 kW generates steam at 297C and discards heat to a river at 72C. What is…

A: We are given that power plant rated at 1976 kW generates steam at 297 C and discards heat at 72 C…

Q: A brine solution is heated from 50°F to 90°F in a one shell pass (hot water)-two tube pass (brine)…

A: Given that for a one shell pass (hot water)-two tube pass (brine) heat exchanger- Initial…

Q: Carbon tetrachloride (CC14) is diffusing through benzene (C6H6), as the drawing illustrates. The…

A: Cross sectional area A = 3×10-4 m2 CL = 1.85×10-2 kg/ m3 Mass flow rate m/t = 4.29×10-13 kg/s…

Q: If fuel cell technology is to be widely adopted as part of the drive towards low carbon energy,…

A: Introduction A fuel cell is a device that generates electricity by a chemical reaction. Every fuel…

Q: Identify the following polymer processing techniques as either: (i) Continuous (able to operate for…

A: Dear User! As per our authoring guidelines, we have answered the first of the questions posted here.…

Q: Research and investigate the various technologies employed and membrane systems for various modes…

A: The phrase "membrane technology" refers to a broad category of distinctive separation techniques.…

Q: Calculate V and Z for compound X at T = 298.15 K and P = 12 bar given that B = -140 cm3/mol and C =…

A:

Q: Total Pressure (Ptotal) [Pa] P. - total = 3707 H + 131723 Height (H) [ft] In a lab on campus an…

A:

Q: Saturated acetone vapor enters a heat exchanger always a rate of v1=1.30L/s at p1=1 atm and emerges…

A:

Q: Question: The vapor pressure curve for ethanol (CH₂CH₂OH) and water (H₂O) is described by the…

A:

Q: Production of Ethane from Ethanol Ethanol is feed to continuous reactor with presence of Acid…

A: Given that- Ethanol is fed to a continuous reactor with the presence of sulphuric acid catalyzer…

Q: • To determine the freezing point: o Plot the cooling curve in Excel (te

A:

Q: What is flow energy? Do fluids at rest possess any flow energy?

A: We have to answer the following  what is flow energy and do the fluids at rest possess any flow…

Q: 6-12 A company has been selling a soap containing 30 percent by weight water at a price of $20 per…

A: It is given the price of soap containing 30% by water = $20 per 50 Kg Given freight rate = $1.50 per…

Q: Draw The Structures?

A: 1) Z-Butenedioic acid 2) 2,5-dimethyl benzoic acid

Q: Ethylene enters a turbine at 10 bar and 450 K, and exhausts at 1(atm) and 325 K. For m = 4.5 kg-s-¹,…

A: Given thatP1=10 barT1=450 kP2  =1 atm T2  = 325 km =4.5 kg/sH1  = 761.1H2  = 536.9

Q: In a steady-state flow process carried out at atmospheric pressure, 1 mol/s o air at 600K is…

A: Given that na =1 molsTa  =600 k nb =1 molsTb  =450 k T=400 KTs  =300 k

Q: Oxygen gas is collected by displacement of water method. Assuming the total pressure inside the…

A: Given that:PT  =760 torrT=22 C

Q: 6-Calculate the overall heat transfer coefficient based on the inner diameter for a steel pipe…

A: Given, The inner diameter of the pipe, di = 20 mm The thickness of the pipe, δs = 2 mm The thickness…

Q: tion of mixture (A+B) the chemical potential o +RTIn(x +RTIN (x^A) s to the standard state chemical…

A:

Q: Which of the following equations are correct regarding chemical potentials for point A depicted on…

A: We know that from the phase diagram point A lies in a solid region