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- An atomizer forms water droplets 45μm in diameter. Determine the excess pressure within these droplets using σ = 0.0712 N/m.An atomizer forms water droplets 45μm in diameter. Determine the excess pressure within these droplets using σ=0.0712N/mCalculate the percent volatility of the solids given that an empty container weighs 15.7g. A sample from the aeration tank is put in the container. At temperature 104 degC , the container now weighs 21.2211g. It was further heated in a furnace with a temperature of 540degC and gained a constant weight of 20.5057.
- A certain fluid has an enthalpy 1800 KJ/kg and 500 KJ/kg work flow. Find the internal energy.a. Calculate the density, specific weight, and specific volume of oxygen at and 40 kPa abs. b. If the oxygen is enclosed in a rigid container, what will be the pressure if the temperature is reduced to ?A centrifuge bowl with internal diameter of 150mm is turning at 8000r/min is used to separate chlorobenzene, with a density of 1109 kgm3, from an aqueous wash liquid having a density of 1020 kgm3. The free liquid surface inside the bowl is 40mm from the axis of rotation. If the centrifugal bowl is to contain equal volumes of the two liquids, what should be the radial distance from the rotational axis to the top of the overflow dam for heavy liquid
- Choose the correct answer How can relatively denser object be made to float on the less dense fluid? * a-By altering the shear forces acting on the object b-By altering the shape. c-By altering the forces acting on the object d-None of the mentionedWhat is the solubility of ethane (in units of grams per liter) in water at 25 °C, when the C2H6 gas over the solution has a partial pressure of 356 mm Hg? kH for C2H6 at 25 °C is 1.94×10-3 mol/L·atm.Two spherical vessels of different sizes contain the same gas and are connected by means of a pipe with a valve. Sphere A has a diameter of 5 foot at the given pressure gauge of 50 kgf/cm2. Sphere B contains the same gas at 20 kgf/cm² gauge. The valve is opened and when the properties have been determined, it is found out that the gauge pressure is 36 kgf/cm2. The temperature at the two vessels before and after opening the valve is maintained at 21.1°C. If the barometric pressure is 750 torr and the gas inside the sphere is oxygen, find the following: The volume of sphere A is 113097.33 in3 The pressure of sphere A is 711.43 psia The temperature of sphere A is 529.98 R The pressure at sphere B in psia Temperature at sphere B in F The pressure of the gas when mixed in psia The temperature of the gas when mixed in K The atmospheric pressure in psi The diameter of Sphere B The total mass of the gas after opening the valve
- A water sample has a pH of 7.25. Determine the concentration of hydroxyl ion in the water sample.Calculate the temperature of 0.39 mole of Xenon gas that occupies 9850 millimeters under a pressure of 631 torr.Determine the pH of the solution produced in the reaction flask when 25.00mL of 0.100 M NaOH has been added to 25.00 mL of 0.100 M HCl