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Estimate the density of airIf we approximate the atmosphere to be 79% nitrogen (N_2) by volume and 21% oxygen (O_2), estimate the density of air (kg/m^3) at STP conditions (0 degrees C, 1 atm)
Defluorination & adhesion properties, Using ion bombardment-If Teflon is deflorinated to increase it's adhesion properties, then what would the changes in surface characteristics be?
Job Analysis of a Chemical Engineer, Develop documentation for human resources professionals to manage a specific employment position. The materials you create would assist human resources professionals to choose
The atmospheric pressure of 100k Pa acts on the other side of the piston. The gas is heated until the volume is doubled and the final pressure is 500 kPa. Calculate the work done by the gas.
In the direct steelmaking reactor based on the reduction of an oxidizing foaming slag by char (carbon) particles and droplets of iron containing 2% carbon. Estimate the total surface area of char and iron droplets needed to achieve the smelting ..
Discuss how transmission electron microscopy (TEM) can provide information complementary to that which can be obtained from standard X-ray or neutron diffraction methods, giving suitable examples.
Handling operations for solid/powder substances are often a source of dust generation and are a source of exposure to hazardous substances in industries. Describe in details the measures that can be taken to prevent exposure during the following s..
Stoichiometry of Ammonia Synthesis, Show that the maximum concentration of NH3 is obtained in an ammonia synthesis process when the ratio of nitrogen to hydrogen
A waste with a concentration of 0.1 gram per liter is to be introduced to a hazardous waste reactor that is to achieve 90% destruction. A reactant
Prepare the design and evaluation of a new chemical manufacturing process.
Outline the provisions of Occupational Safety and Health Act 2005 with regard to Substances hazardous to health Describe four types of hazard which arise from the use of chemicals
Determine the values of the constants a and c and state the units and draw the path on a PV diagram also draw Path on the diagram and calculate the heat and work interchanges between the system and surroundings.
What is the required flow rate of cooling water to the exchanger between the wasteheat boiler and the absorber and how much heat must be removed by the two heat exchangers cooling the recycled absorber liquid? Why is there a need to remove this heat?
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