Chemical Engineering

Question A pipe of 1m diameter is 500 m long and conveys water through a rise of 50m. If the gauge pressure at inlet is 750 kN/m2 and at outlet is 150 kN/m2 estimate the flow in t...

Question The rate constant of a reaction increases by 23%, when the temperature is increased from 20° to 27°C. (a) What is the activation energy of the reaction. The rat...

Question A pump delivers 0.0157 m3/s of water from one reservoir to a second with a surface level 30.5 m above first. The pipe is 150m diameter for 1.2 km and changes to 100mm dia...

Question For a batch ultrafiltration, develop a spreadsheet to predict as functions of time with concentration, volume and permeate flows for batch ultrafiltration. Assume the flu...

Question A bottle of carbonated water contains a liquid and vapor in equilibrium. The liquid contains 0.01mol% CO2 and the rest water when the bottle is left in a hot car (95°...

Question Some liquid acetaldehyde (C2H4O) is put into a 5L flask. All of the air is removed before the flask is sealed. The flask sits at room temperature (25°C), where the va...

Question You are testing some novel fuel mixtures for potential use in automobiles. Your testing apparatus is a 2.54cm inner diameter cylinder fitted with a piston, desi...

Question 100 m3/hr of normal butane at 25°C and 1 atm is combusted with stoichiometic amount of air in a well-insulated reactor. The hot gases are sent to a heat exchanger to ...

Question A tank contains 3.5kg liquid oxygen that vaporizes at -25 °C. The tank has a volume of 0.0284m³. The maximum safety limit of the pressure of the tank is 10 &time...

Question 100 m3/hr of normal butane at 25°C and 1 atm is combusted with stoichiometic amount of air in a well-insulated reactor. The hot gases are sent to a heat exchanger to ...

Question In the batch reaction A + B → C, the concentration of C is measured 1 minute for several sets of initial conditions. What are the approximate reaction orders for A a...

Question A fuel oil is burned with air in a boiler furnace. The combustion produces 813 kW of thermal energy of which 65% is transferred as heat to boiler tubes that pass through ...