Chemical Engineering
Question A gas mixture at 400.0°C and 135 kPa absolute enters a heat exchanger at a rate of 70.0 m3/hr. The gas leaves the heat exchanger at 295.0°C. The change ...
Question You are working in an oil refinery and to meet air quality standards you must remove trace sulfur compounds that come along with the crude oil. These H2S and SO2. A proce...
Question Air is heated from 25°C to 150°C prior to entering a combustion furnace. The change in specific enthalpy associated with this transition is 3640 J/mol. The flow r...
Question A turbine discharges 200 kg/h of saturated steam at 10.0 bar absolute. It is desired to generate steam at 250°C and 10.0 bar by mixing the turbine discharge with a se...
Question In an industrial process, propane is combusted in a furnace at 1000°C. An inlet stream of propane enters at 100 mol/s and 25°C. An air stream containi...
Question An aqueous solution of sodium acetate (20.0 mol% NaC2H3O2) flows at a rate of 100 kg/h into an evaporative crystallizer at 60°C. When the solution is exposed to the l...
Question A 150 kW water pump is expected to generate a head of 105m across the pump when running at best efficiency point, BEP, at a speed of 2500 rpm. If the efficiency of the pu...
Question Beer is produced in the fermenter shown below. The solubility coefficient (the amount of gas (STP) that dissolves in 1 cm3 of a solvent under a partial pressure of 1 a...
Question The elementary gas phase reaction 2A → 3B is carried out in a CSTR. The feed is pure A at 350 K with a flowrate of 4.0 L/s and 0.14 mol/s. The reaction vessel is hea...
Question A gaseous mixture contains 20 mole % Methane, 30 mole % ethylene & 50 mole % Nitrogen at 90 atm and 100°C. Calculate the molar volume using ideal gas law. Also ca...
Question An open vessel containing 40 mol % methanol & the rest as 1-propanol is heated gradually. (i)Find the temperature at which the mixture starts to boil. (ii)What are th...
Question Consider the binary mixtures at 300K listed in the table. The first mixture forms a single gas phase, while B and C consist of a gas and a liquid phase in phase equilibri...