Estimate values of the mass diffusivity DAB for binary mixtures of the following gases at 350 K and 1 atm: ammonia-air and hydrogen-air.
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- **JUST PART C PLEASE** The pressure in a pipeline that transports helium gas at a rate of 5 lbm/s is maintained at 14.7 psia by venting helium to the atmosphere through a 0.25-inch internal diameter vertical tube that extends10 ft into the air. Helium and atmospheric air are at 60F. The diffusion coefficient for a mixture of helium with air is 2.79 ft2/h at 77oF. Assume the mole fraction of helium in the atmosphere is negligible, and the mole fraction of air in the helium pipeline is negligible. Determine the following:(a) The mass flow rate of helium flowing to the atmosphere through the tube.(b) The mass flow rate of air that infiltrates into the pipeline.(c) The net mass flow rate in the vertical tube.Calculate the calorific value (HHV and LHV) of coal, which has the following analysis: Carbon 81%, Hydrogen 5%, Oxygen 5.6%, Sulfur 1%, and the remainder is Ash Content.A) A full propane cylinder from a camp stove leaks its content of 0.9 kg into a (3mX3mX3m) room at 20deg C and 1 atm. After a long time, the fuel gas and room air are well mixed. Is the mixture in the room flammable? Note: propane air mixture is flammable for 0.51 > Ф > 2.83 B) A jet of ethylene exists a 20 mm diameter nozzle into still air at 300K and 1 atm. Compare the spreading angles and axial locations where the jet centreline mass fraction drops to the stoichiometric value for initial jet velocities of 15 cm/s and 5 cm/s. The viscosity of ethylene at 300K is 102.3*10^-7 N.s/m^2 Note : I need both of above
- The viscosity values for the H2 and Freon-12 gas mixtures at 25 ° C and 1 atm pressure and the mole fractions of the mixture are given in the table below. For H2 and Freon-12, calculate the viscosity values of the mixture for 3 different compositions using pure viscosity values. H2 Mol Frac. 0,00 0,25 0,50 0,75 1,00 Viscosity (µ) x 106 (poise) 124,0 128,1 131,9 135,1 88,4Part 1:Design a three-component gasoline blend. Specify the boiling temperature of your blend.Additionally, determine the Research Octane Number (RON), Motor Octane Number (MON), andAnti-Knock Index (AKI) for this blend. Lastly, evaluate whether this fuel is sensitive to combustionchamber geometry.Part 2:Hydrogen is utilized as a fuel in an experimental engine and is combusted with stoichiometricoxygen. Assume the reactants initiate at a temperature of 25°C. Write the balanced chemicalreaction equation for this combustion.Perform the following calculations:(a) Determine the fuel-air (fuel-oxygen) ratio.(b) Calculate the equivalence ratio for the combustion process.A proposed alternative diesel fuel contains 50% finely powdered bituminous coal and 50% ethanol by weight. The coal contains 4% moisture, has been cleaned of ash, and has an as-received HHV of 25 MJ/kg. Assume the coal has 5% hydrogen and 40% volatiles as-received. Find the as-received LHV of this fuel. Estimate the as-received mass fraction (%) of volatiles and the mass fraction (%) of fixed carbon in this fuel.
- A fuel consists of the following composition by mass: Carbon 80 %, Sulphur 3 %, and uncombustable ash 17 %. The fuel is combusted with an air excess of 20 %. Write the balanced equation and Calculate (a) the mass of SO2 that is formed by combustion of 1 kg of the fuel. (b) the volume of exhaust gases (in mn3/kg fuel) without the air excess. (c) the volume of exhaust gases (in mn3/kg fuel) with the air excess.Q/A sample of oil with boiling point of 255 C and specific gravity (at 15.5 C) 0.85: 1- Calculate Watson factor 2- Calculate correlation Index 3- Classify the product according to API. 4-Classify the product base of crude oil. 5- Take that T10 500 k, estimate the flash point. 6-Estimate the aniline point. 7- Estimate the smoke point. 8- Estimate RON.1. At ordinary room temperature, it was found that specific heat ratio ‘k’ of air was 1.40. Estimate the R, Cp and Cv of air assuming that air content is solely composed of 21% of Oxygen and the rest is Nitrogen. Draw a figure or FBD that will support the problem. Explain each step by step formula.
- 1. Immiscible components do not mix in the liquid phase, and each independently exerts its saturation pressure until they rach a certain phase they can form homogenous mixture? 2. It will be easier to separate the components of a vapor micture if they have the same concentration. True or FalseDefine the natural tendency of water to evaporate in order to achieve phase equilibrium with the water vapor in the surrounding air forms the basis for the operation of evaporative coolersIn an electrolysis of water experiment, 39.75 mL of H2 gas was collected over water at 60.0 °C and an atmospheric pressure of 1.03 atm. The vapour pressure of water at 60.0 °C is 19.92 kPa. What mass of H2 was collected?