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Problem 5.3:
Following a procedure analogous to that in Example 5.2, obtain an expression for the coefficient of thermal expansion based on the van der Waals equation of state. Use the result to calculate the value of β for oxygen at 20 °C, 30 bar. Problem 5.4:
Using the volume-temperature relationship for liquid acetone in Example 5.6 calculate the amount of heat and work involved when acetone is compressed isothermally and reversibly from 1 bar, 20°C to 10 bar. Problem 5.5:
Estimate the constant-pressure heat capacity of oxygen at - 50 °C, 38 bar, using the truncated virial equation. Hint: Use the truncated virial to calculate the enthalpy at two pressures near - 50 °C, 38 bar, then obtain the heat capacity by numerical differentiation.
If the generated emfs are 200 and 210 V, respectively, determine the load voltage and the armature current of each machine.
A thermocouple enclosed in a 3.2mm stainless steel sheath (e = 0.6) is inserted horizontally into a duct to measure the air temperature inside. The walls of the duct are at 650o C, and the true air temperature is 560o C. What temperature will be in..
Sulfur dioxide produced by the combustion of sulfur in air is absorbed in water. Pure SO2 is then recovered from the solution by steam stripping. Make a preliminary design for the absorption column.
Calculate the change in output voltage for a 1658 change in the angle of the knee. Assume that a constant current of 7 mA is supplied to the transducer.
1discuss an incident fire spill explosion etc that you have experienced or research one on the internet professional
question 1a discuss in details on five types of health effects related to exposure to hazardous substances encountered
production of chemicals from coalcoal has been considered a major component of u.s. energy reserves for a long time and
Natural gas is widely used as fuel in the process industries, so the price of natural gas is often an important variable in economic analysis. Develop a 15-year forecast of U.S. natural gas prices. Historic natural gas prices are available at www...
The physical properties of the fluid are: density 875 kg/m3, viscosity 1.46 mN m-2 s. Also, determine the NPSH, at this flow rate, if the vapor pressure of the fluid at the pump suction is 25 kN/m2.
determine the optimum values of x and y involved in Eqs. (92) to (95).
1. What is the principle of Lime Soda process? Give their functions with chemical reactions. 2. Write notes on Reserve osmosis and Ultra filtration.
the path followed by a fixed amount of a perfect gas during a reversible process is described by the following
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