Chemical Engineering

Question The combustion of octane, C8H18, proceeds according to the reaction 2C8H18(l) + 25O2(g) → 16CO2(g) + 18H2O(l) A 7.00 ft3 tank of octane (3.51 lb-mol of octane) com...

Question Nitrogen enters a 2cm ID pipe at 30°C and 10 bar with an average velocity of 4.00 m/s and emerges at a point 300 m lower than the inlet at 30°C and 9 bar. Calcula...

Question Define the pipe friction coefficient f. Explain with reference to a log f- log Re graph, what is meant by laminar, smooth turbulent and fully rough turbulent flow in pipe...

Question A 2m length of an aluminum pipe of 240mm outer diameter and 10mm wall thickness is used as a short column and carries a centric axial load of 640kN. Knowing that E = 73GP...

Question Calculate the change in Vapor pressure of pure water (800ml at 52 °C) by the addition of 52.9g of CuCl2. (Density of pure water is 0.987g/ml & pure water vapor pr...

Question A pump is drawing water from a reservoir through a suction pipe of 10.5 m long with the inside diameter of 35 mm at a rate of 2.3 l/s. The pipe is smooth so that the fric...

Question 5g of solid CO2 is placed inside a hole that has a maximum capacity of 50 ml. The temperature is then raised to 1000k. Using the following equations of state estimate the...

Question A vapor mixture containing 30 mol% benzene and 70 mol% toluene at 1 atm is cooled isobarically in a closed container from an initial temperature of 115°C. (a) At wha...

Question Apply the problem table method of Linnhoff and Flower (1978) to the data given below to identify the pinch point of the network of heat exchangers assuming a minimum temp...

Question The ignition/extinction plot shown below has been generated for a liquid-phase exothermic reaction occurring in a catalytic CSTR. What is the approximate feed temperat...

Question A floating ball has a specific gravity of 0.6 and has a radius of 5.5cm. You are asked to find the depth to which the ball is submerged when floating in water. The equati...

Question Write any three assumptions that we can make with Constant Molal Overflow?   Summary The question belongs to Chemical Engineering and the question is about giving...