John Dalton's original atomic theory contained the following key ideas. Which part(s) of these ideas was/were incorrect? Elements are made of tiny, indivisible particles called atoms. Atoms can join together in whole-number ratios to form compounds. Atoms are unchanged in chemical reactions. The atoms of each element are unique.

Q: Q.21 An aqueous sodium chloride solution (10 wt%) is fed into a single effect evaporator at a rate…

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Q: Depending on the temperature and pressure, ice can have different types of crystal structure…

A: Given that- Ice has hexagonal structure on earth, cubic struture for temperature between 700C to…

Q: Professor Modyn's steady state flow reactor is now fed acetylene (C2H2)(C2H2) at 2.000 mol/s.2.000…

A: Given that, The molar flow rate of acetylene in the feed stream nC2H2,F =  2 mols %excess dry air =…

Q: In the following elementary reaction 2H₂ + 0₂ → 2H₂O ; -rH₂ = 0.02mol/m³.sec KH₂ = 5(time)*¹ (conc)²…

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Q: Seven kilograms of steam is being heated to a 600K and 10 MPa superheated vapor state from the…

A: Given Mass of steam m =7 kg Initial state  Temperature T1 = 400 K Saturated vapor  Final state  T2 =…

Q: Arrange the compound according to the increasing and explain why? in resilience

A: Introduction Vulcanization  is a range of processes for hardening rubbers. The term originally…

Q: Benzene is stored in a tank. The pressure in the tank is 12 bar and the temperature is 375 oC.…

A: Given that- Temperature, T=3750C=648 K Pressure, P=12 bar= 1.2x106 Pa Volume of tank V= 1 m3…

Q: An elementary liquid phase reaction A+B>C was conducted in two continous stirred tank reactors…

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Q: A 10 g food sample was dried, then ashed, and analyzed for salt (NaCl) content by the Mohr titration…

A: Given data: Mass of the sample = 10 g Volume of AgNO3 consumed = 6.5 mL Amount of KCl used to…

Q: C; Draw the temperature distribution long the insulated tip fin.

A: Fins are used in heat transfer to increase the surface area of a heat exchanger, thereby increasing…

Q: A pair of concentric glass cylinders, with diameters of 1 and 1.05 cm, respectively are held…

A: Given Data Di = 1 cm = 0.01 m Do = 1.05 cm = 0.0105 m Surface Tension = 0.019 N/m Density of Oil =…

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

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Q: for question C, why is the dot at when the atm is 1 rather than 0.0001?

A: Phase diagram of a compound is given.

Q: A liquid is contained in a reactor vessel at 115 bar absolute pressure. It is transferred to a…

A: Given that, Absolute pressure in reactor vessel, P1=115 bar=115x105 N/m2 Pressure above liquid…

Q: During fractional distillation of a binary mixture, you start distilling component A at a certain…

A: Distillation is a separation process in which the light key components are separated from heavy key…

Q: One thousand liters of a 95 wt% glycerol-5% water solution is to be diluted to 60% glycerol by…

A: Given data: Volume of 95 % glycerol solution = 1000 L Internal diameter of pipe = 5 cm Time taken to…

Q: Blue water gas (BWG) is obtained by passing steam over red hot carbon-enriched coal. The gas is…

A: As given CO2:CO=1:8 BWG at 23 C,748 mmHg and 90% RH supplied 30% excess air is same condition BWG…

Q: 5. Show the steps for how to go from the relationships of: μ = μ+RT In (p.) to μ = μ + RT ln(x). μ₁…

A: Given that equation for chemical potential is as follows (a) μi=μi*+RTln(pi)    .. eq(1) The above…

Q: 300 gallons (gal, unit volume of the AES system) a compound containing 75% by mass ethanol and 25%…

A: Two mixtures of different composition of ethanol and water are mixed to form a desired mixture of…

Q: 11-104 Cold water (c, = 4180 J/kg-K) leading to a shower enters a thin-walled double-pipe…

A: Given that, Mass flow rate of cold water mc = 0.25 kg/s Heat capacity of cold water CPc = 4180…

Q: CHAPTER 10 10-15 Water is to be boiled at atmospheric pressure in a mechanically polished steel pan…

A: Given:  Water is to be boiled in a polished pan of d = 30 cm or 0.3 m at atmospheric pressure. At…

Q: Krypton is compressed adiabatically in a closed system from initial pressure P1 = 1 bar, T1 = 9 oC…

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Q: 4. A solution is 2.00 mM analyte compound X and 3.50 mM internal standard compound S. Analysis of…

A: given = The concentration of Analyte (compound A) = 2 mM  The concentration of the internal standard…

Q: B. A volute centrifugal pump with an impeller diameter of 0.02 m has the following performance data…

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Q: It is desired to absorb 80% of the H2 in the mixture with the countercurrent stage tower from the…

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Q: Show your complete solution to the questions given below. State all assumptions used during the Draw…

A: A mixture of benzene and air is to be scrubbed using the absorption tower.

Q: Propane gas undergoes a change from 105°C and 5 bar (state 1) to 190°C and 30 bar (state 2) the…

A: State 1: P1 = 5 bar T1 = 105 0C or 378.15 K State 2: P2 = 30 bar T2 = 190 0C 463.15 K Critical…

Q: Explain why: a) A metallic couple with an unfavourable area ratio (small anode/large cathode)…

A: The given subparts need to be explained.

Q: L. 60 P=1 Q1/A cylindrical core sample has a length of 6 cm and a diameter of 1 inch. the sample is…

A: given = L = 6cm D = 1 inch = 2.54 cm  hence r = 1.27 cm hence the volume of a cylinder V = πr2hV =…

Q: Steam flows in a Schedule 40, 6" (NPS) nominal pipe size 1000 ft long pipe, with roughness 45…

A: given = L = 1000ft = 304.87 m D = 6 in = 0.1524 m m = 45000 lb/hr = 5.67 Kg/s μ = 0.018*10-3 Pa.s T…

Q: An aqueous mixture of sulfuric acid containing 8.1 mole % sulfuric acid (SG = 1.213) flows at a rate…

A: Given that- An aqueous mixture of sulfuric acid has- H2SO4=8.1 mol%=0.081 H2O=91.9 mol%=0.919 Basis…

Q: Given the following figure. Calculate the phase composition amount (alpha and beta) at i) 150 degree…

A: at 1500C two phases, alpha and beta are present  the composition as marked on the phase diagram is…

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: Given the table below and your judgement for extreme operational conditions, select polymers for the…

A: Given Data Different Material With their Glass Transition Temperature and Melting Point.  To find…

Q: Air enters a rectangular duct measuring 30 cm x 40 cm with a velocity of 8.5 m/s and a temperature…

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Q: 4.22 A heat engine absorbs 260 kJ of heat from a source at 325 K and yields a work output of 72 kJ…

A: Given data for the heat engine are as follows: Heat absorbs from source of 325 K = 260 kJ Work…

Q: In an aqueous solution, reaction P→ Q occurs under isothermal conditions following first order…

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Q: :):Uninsulated steam pipe passes through a room in which the air and walls are at 25 °C. The outside…

A: Given that- Surrounding temperature, Tsur=250C Outside diameter of pipe, d=70mm=0.07 m Surface…

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

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Q: Below is a diagram of fired heater used to pre-heat an oil stream before it is used in a different…

A: 1) (A) • Two control objectives for the given case are as follows: 1) Controlling the Feed…

Q: (2) Show that water at 400 °C and 10 bar is superheated steam and determine its specific volume,…

A: Given  Temperature T = 400 oC Pressure P = 10 bar  From saturated steam table At P = 10 bar…

Q: 1) Explain why simple distillation cannot be used to separate crude oil intovarious fractions.…

A: Simple distillation involves only one boil and recondensation of the mixture, which leaves room for…

Q: the amount of excess combustion air is normally determined by analysis of stack_____ a) the fuel…

A: Excess air is the air which is used in excess for combustion of various fuels (solids, liquid, and…

Q: Q2: The roof of a house consists of a 15-cm-thick concrete slab (k = 2 W/m - C) that is 15 m wide…

A: Given: The thickness of the roof is t = 15 cm = 0.15 m Thermal conductivity k = 2 W/m. oC The inner…

Q: A light hydrocarbon gas mixture is stored in a tank at 25C and 9.5 MPa. The gas mixture contains…

A: Given that- For the mixture of light hydrocarbon in a tank, Temperature, T=250C=298.15 K Pressure,…

Q: A pressure measuring device has been analyzed and it has been determined that the response of the…

A: “Since you have posted a question with multiple sub-parts, we will provide the solution only to the…

Q: An aqueous solution containing 10 kg of solids per cubic meter of solution is filtered through a…

A: Given data: An aqueous slurry of CaCO3 is to be filtered with the filter press.

Q: A tank used to correct for fluid flow rate fluctuations is known to exhibit a second order dynamic…

A: “Since you have posted a question with multiple sub-parts, we will provide the solution only to the…

Q: A triple mixture of 50% mol of methane (1), 30% ethane (2), and 20% propane (3) It is at 380 K and…

A: Given composition of mixture are as shown below: Percentage of methane = 50% Percentage of ethane =…

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

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