[References] A 0.069 M solution of diphenylamine has a pH of 6.82. What is the value of K, for this weak base? (C6H5)2NH(aq) + H₂O(l) (C6H5)2NH2+ (aq) + OH(aq) Kb =

Q: 11.2. The volume change of mixing (cm³.mol-¹) for the system ethanol(1)/methyl butyl ether(2) at…

A:

Q: A mixture of CH4 and C₂H6 has the average molecular weight 22.4. Find mole % of CH4 and C₂H, in the…

A:

Q: 1. What is a balanced process? How do you scale a flowchart? What is a basis of calculation? 2. The…

A: Amount of C2H6 = 100 mol Amount of air = 2000 mol Amount of benzene-toluene mixture = 1 g

Q: 1.) a.) GaAs (GaAs) has the "zinc blende" crystal structure with a lattice constant of 5.653 Å. Zinc…

A: a for GaAs = 5.653 Ao  a for Fe = 2.856 Ao  a for Pt = 3.912 Ao

Q: Question 4: An insulated room is heated by burning candles. Is this a heat or work interaction? Take…

A: 4) Using the entire room as the system, there is no heat interaction because it is well insulated…

Q: Air with a volumetric flow rate of 6 m³/min, enters to a room having 180 m³ volume and leaves the…

A:

Q: [1] Define: xi, Yi, µi, M₁, M, Mi, fi', fiº, fișat, fi, fig, MR, Miª, þi, Ρ, B, and Z. If there is…

A:

Q: 3:We wish to strip SO₂ from water using air at 20C. The inlet air is pure. The outlet water contains…

A: given  = X1 = 0.0011 and X2 = 0.0001 m = 22,500 mmHg/mol fracSO2

Q: Question 4: An insulated room is heated by burning candles. Is this a heat or work interaction? Take…

A: 4) Using the entire room as the system, there is no heat interaction because it is well insulated…

Q: Alyssa repeated the titration of a 5.00 mL antimony trichloride solution with distilled water until…

A: Given that- Concentration of [SbCl3]=0.030 M Concentration of [HCl]=1.2 M Volume of SbCl3=5.00…

Q: Consider the reaction: 2CO(g) + O₂(g) → 2CO₂(g) Using standard thermodynamic data at 298 K,…

A:

Q: For step 3, are you sure that there are two undesired reactions? Should the rate for U goes to A be…

A: -r1A=k1CA. CB-r2D= k2CD-r3A=k3.CA. CB-r2A=k4CA

Q: Two streams are mixed in an adiabatic mixer, as shown in the figure. It is known that: • Stream 1 is…

A: A stream of mixture of liquid and vapor is mixed with superheated water vapor adiabatically.

Q: The isotopic composition of Material X in atomic percent is Atomic Weight 300 301 302 Atomic Percent…

A: Atomic Weight       Atomic percent 300                         30 301                         40 302…

Q: What are some of the challenges associated with scaling up chemical processes from laboratory to…

A:

Q: The liquid phase reaction A -> R with the rate equation rA= -KCA²  is carried out in a tank reactor.…

A: The turnover of a reactor is defined as the ratio of volumetric flow rate of solution flowing…

Q: What are the two most important functions of a catalyst? Why is the lifetime of a catalytic…

A: two most important functions of a catalyst are 1) Catalyzing a chemical reaction: A catalyst…

Q: A boiler is used to generate steam. Water enters the boiler, saturated at 14°C at 362 kg/hr.…

A: Q - w = m·(△h+△c22+g△z)·(w=0, △c=0,△z=0)⇒Q=m(△h)·   From the given table; h1= 58.8 KJ/Kg m…

Q: E140 D130 ELSO ARDA40 V145 v146 PISO

A: A feedback control system consists of five basic components: (1) input, (2) process being…

Q: (1) What is the complete ground state electron configuration for the potassium atom? (2) What is the…

A: Given elements are- (1) Potassium From periodic table- Atomic symbol=K Atomic number=19 Group= 1 A…

Q: mw 3679m 2367 3-367 367 15 367 1367 4 367 Tw.inital 23-3 29.8 34 لولا 45.6 52.1 585 Tw, Final 29.8…

A: The table in the given question seems to have a value of  heat capacity CP Q=m×CP △T△t

Q: 1 From data in the steam tables, determine a good estimate for flfsat for liquid water at 150°C and…

A: temperature (T)= 150oC=(150+273.15)K=323.15K pressure (P)=150 bar=15000 kPa ϕisat  =fisatPisat…

Q: 200 E240 S 220 + V242 DO P240

A: Feedback controls are widely used in modern automated systems. A feedback control system consists of…

Q: Problem 24-3E. A pipeline containing natural gas from a hydraulic fracturing process contains 80%…

A: Temperature = 17 0+C Pressure = 3 atm

Q: Consider the reaction: 2H₂O(l) → 2H₂(g) + O₂(g) Using standard absolute entropies at 298 K,…

A: Given: The reaction given is, 2H2O(l) → 2H2(g) + O2(g) T = 298 K, nH2O (l) = 2.26 moles ∆Ssys=?

Q: What is the standard enthalpy of combustion of gas toluene, in kJ/mol? Your Answer: Answer

A: C7H8   g   +    9O2  g     →     7CO2  g     +       4H2O  g

Q: The binary system acetonitrile (1)/nitromethane (2) coexists with Raoult's law. Vapor pressures for…

A:

Q: Example 40 Figure E12.6 illustrates a steady-state process for the production of methanol. All of…

A: Given data: Composition of feed is given as: H2 = 67.3 mol % CO = 32.5 mol % CH4 = 0.2 mol %…

Q: . Wet steam at 1100 kPa expands at constant enthalpy (as in a throttling process) to 101.33 kPa,…

A: pressure of wet stream =1100 kPa final pressure =101.33 kPa final temperature =105oC

Q: 500 m3 / day of copper ore is to be crushed from a feed size of 80% is less than 5 cm to a product…

A:

Q: Question 8 Use the AHºf information provided to calculate AH°rxn for the following: 2CIF3 (g) +…

A: Given that :2CIF3+2NH3→N2+6HF +Cl2

Q: The specific volume of wet steam at 500 kpa is 0.2813 m3/kg. using the data from steam tables,…

A: The specific volume of wet steam at 500 kpa = 0.2813 m3/kg we have to find the quality of stream…

Q: 4. The figure below shows a Px diagram for a binary system (component 1 and component 2) at 480 K.…

A: Px diagram of a binary mixture is given. Px diagram represents the distribution of components in…

Q: Ascorbic acid has a pKa value of 4.10. What is the value of Ka? VZ

A: pKa= - log10 Ka  Put the value pKa=4.10 4.10=-log Ka  Take the inverse function of the exponential…

Q: A + B B → C The feed is a stoichiometric mixture of only A and B, and the initial mass flow rate of…

A: Pressure = 7 atm Mass flow rate of A = 560 kg/min Molar mass of A = 28 g/mol Rate constant at 233 0C…

Q: Consider the reaction: 2H₂O(1)→ 2H₂(g) + O₂(g) Using standard absolute entropies at 298 K, calculate…

A: Given: 2H2Ol→2H2g+O2g 2.26 moles of water reacts at standard condition Data: Substance S°JK·mol…

Q: A stream flowing at a rate of 30kgmol/h containing 30% (mole) N₂ and 70% (mole) H₂. This is to be…

A: Basis: 30kgmol/h of N2 and H2 gas mixture. Given, stream flowing at a rate of 30kgmol/h = m…

Q: n-butane is available as a vapor at 115°C and 2.10 atm. To be used as fuel for a combustion…

A: Initial temperature of n-butane = 115 0C Final temperature of n-butane = 225 0C Molar flow rate of…

Q: A batch combustion chamber is loaded with 250 moles of ethene (C2H4) and 3000 moles of air (21.0 mol…

A: Given that nethene =250 moles nAir =3000 moles  C2H4  +O2   → CO2+H2O       According to bartleby…

Q: 10.18 Estimate the fugacity of isobutylene as a gas: (a) At 280°C and 20 bar;

A: Given, Temperature= 280°C Pressure= 20 bar

Q: Vapor Composition, Mole Fraction BENZENE 1 0.9 0.8 0.7 0.6 0.5 0.4 0.3 0.2 0.1 For part a) For part…

A: Composition of the feed is, Benzene = 0.491 Composition of benzene in the overhead product = 0.966…

Q: Consider the reaction: Ca(OH)2 (aq) + 2HCl(aq) → CaCl2 (s) + 2H₂O(1) Using standard absolute…

A: Temperature = 298 K Moles of Ca(OH)2 = 1.64 mol

Q: An insulated room is heated by burning candles. Is this a heat or work interaction? Take the entire…

A: 4) Using the entire room as the system, there is no heat interaction because it is well insulated…

Q: For mixtures of (1) 1-propanol with (2) water, the Wilson parameters are as follows: 912- 75.48. mol…

A: Given the two components are 1-propanol (1) and water (2). Write the Antoine equations of the…

Q: Determine the specific heat at constant volume for liquid mercury at 273 K, and at a pressure of 1…

A:

Q: Although accurately evaluating the energy balance for a person is a complex problem, a simple (but…

A: Mass of the body = 70 kg Specific heat of the body = 1 kcal/kg.K Surface area = 1.8 m2 Heat transfer…

Q: Acetaldehyde is synthesized by the catalytic dehydrogenation of ethanol: Fresh feed (pure ethanol)…

A: The initital temperature of the ethanol, T1 = 360 °C = 360+273 K = 633 K The final temperature of…

Q: Ammonia gas (A) and nitrogen (B) are diffusing in counterdiffusion through a straight glass tube…

A: Ammonia (A) and Nitrogen (B) are diffusing in countercurrent manner through a glass tube. The glass…

Q: According to the ideal gas law, a 0.9584 mol sample of argon gas in a 1.764 L container at 273.1 K…

A: Given: n = 0.9584 mol V = 1.764 L, Pideal = 12.18 atm, For Argon, a = 1.345 L2.atm/mol2 and b =…

Q: The design flow rate is 0.5m³/s. A deep bed monomedia filter with a design loading rate of 500…

A: Given that- Design flow rate, Q=0.5 m3/s Design loading rate, q=500 m3/d.m2 Surface area of filter…